US20140283891A1 - Height-adjustable canopy leg - Google Patents
Height-adjustable canopy leg Download PDFInfo
- Publication number
- US20140283891A1 US20140283891A1 US14/295,094 US201414295094A US2014283891A1 US 20140283891 A1 US20140283891 A1 US 20140283891A1 US 201414295094 A US201414295094 A US 201414295094A US 2014283891 A1 US2014283891 A1 US 2014283891A1
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- Prior art keywords
- leg
- lock
- canopy
- canopy structure
- support member
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H15/00—Tents or canopies, in general
- E04H15/32—Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds
- E04H15/34—Supporting means, e.g. frames
- E04H15/44—Supporting means, e.g. frames collapsible, e.g. breakdown type
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H15/00—Tents or canopies, in general
- E04H15/32—Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds
- E04H15/34—Supporting means, e.g. frames
- E04H15/44—Supporting means, e.g. frames collapsible, e.g. breakdown type
- E04H15/46—Supporting means, e.g. frames collapsible, e.g. breakdown type telescoping and foldable
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H15/00—Tents or canopies, in general
- E04H15/32—Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds
- E04H15/34—Supporting means, e.g. frames
- E04H15/44—Supporting means, e.g. frames collapsible, e.g. breakdown type
- E04H15/48—Supporting means, e.g. frames collapsible, e.g. breakdown type foldable, i.e. having pivoted or hinged means
- E04H15/50—Supporting means, e.g. frames collapsible, e.g. breakdown type foldable, i.e. having pivoted or hinged means lazy-tongs type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/10—Telescoping systems
- F16B7/14—Telescoping systems locking in intermediate non-discrete positions
- F16B7/1454—Telescoping systems locking in intermediate non-discrete positions with a clamp locking the telescoping members by swinging a handle provided with a locking cam
Definitions
- the inventions disclosed herein relate generally to height-adjustable canopy legs and locking mechanisms therefor, including locking mechanisms for infinitely height-adjustable canopy legs and selectively fixedly securing sections of telescoping canopy legs relative to each other to prevent movement there between.
- a canopy structure comprises a plurality of support members, each of the plurality of support members comprising a first leg and a second leg, the second leg of each of the plurality of support members telescopically slideable within the first leg of each of the plurality of support members to adjust a height of the canopy structure; a plurality of eaves, each of the plurality of eaves coupled to a top end of each of the plurality of support members, each of the plurality of eaves comprising at least one scissor-jack member moveable between an extended position and a collapsed position; and a plurality of locking members, each of the plurality of locking members coupled to the first leg of one of the plurality of support members, each of the plurality of locking members comprising a locking lever comprising a handle portion and a cam portion, the locking lever moveable between an unlocked position and a locked position; and a friction member engageable with the cam portion of the locking lever, wherein the friction member is configured to apply a radial inward force
- a canopy structure comprises a support member, the support member comprising a first leg and a second leg, the second leg telescopically slideable within the first leg to adjust a height of the canopy structure; an eave coupled to a top end of the support member, the eave comprising at least one scissor-jack member moveable between an extended position and a collapsed position; and a locking member coupled to the first leg, the locking member adjustable between a locked and an unlocked position, wherein the locking member is configured to apply a radial inward force received by an area of the second leg when the locking member is in the locked position.
- a canopy structure includes at least one support member.
- the support member includes a first leg and a second leg.
- the first leg and the second leg are telescopically engaged with one another for movement along an adjustment axis to permit adjustment of a height of the support member.
- An upper frame includes at least one eave coupled to an upper end of the support member.
- the eave includes at least one scissor-jack member moveable between an extended position and a collapsed position.
- a canopy cover is supported by the upper frame.
- a lock is coupled to the support member and is movable between a locked position and an unlocked position.
- a portion of the lock is configured to apply a retaining force to a surface of one of the first leg and the second leg when the lock is in the locked position to retain the first leg and the second leg in a fixed position relative to one another.
- the retaining force is applied to the surface in a direction substantially perpendicular to the adjustment axis.
- FIG. 1 is a front plan view of an embodiment of a canopy structure having an upper frame portion and a plurality of height-adjustable telescoping support legs.
- FIG. 2 is a perspective view of a height-adjustable telescoping support leg of FIG. 1 separate from the canopy structure.
- the leg includes a lock that secures the telescoping support leg in a desired height position.
- FIG. 3 is a perspective view of the lock of FIG. 2 separate from the telescoping support leg.
- FIG. 4 is a cross-sectional view of the support leg and lock taken along the line 4 - 4 of FIG. 2 .
- FIG. 5 is another perspective view of the lock of FIG. 3 .
- FIG. 6 is a top view of the lock of FIG. 3 .
- FIG. 7 is a perspective view of a body of the lock of FIG. 3 with a lever removed.
- FIG. 8 is a perspective view of an inner collar member of the support leg of FIG. 2 .
- FIG. 9 is a perspective view of a portion of the support leg of FIG. 2 with the lock removed to illustrate underlying structure.
- FIG. 10 is a perspective view of the support leg of FIG. 2 with a lower leg member removed to illustrate underlying structure.
- FIG. 11 is a perspective view of an upper portion of the lower leg member with the inner collar member of FIG. 8 installed.
- FIG. 12 is a perspective view of the lower leg member, lever and a force transfer member of the support leg of FIG. 2 with other parts removed and the lever in a locked position.
- FIG. 13 is a perspective view of the lower leg member, lever and a force transfer member of FIG. 12 with the lever in an unlocked position.
- FIG. 14 is a cross-sectional view of the support leg of FIG. 2 with the body of the lock removed and the lever in a locked position.
- FIG. 15 is a cross-sectional view of the support leg of FIG. 14 with the lever in an unlocked position.
- FIG. 16 is a side view of a modification of the height-adjustable telescoping support leg of FIG. 2 .
- FIG. 17 is a perspective view of a lock of FIG. 16 separate from the support leg.
- FIG. 18 is an end view of a body of the lock of FIG. 17 .
- a canopy structure comprises a plurality of telescoping support leg assemblies, or support legs.
- the plurality of support legs each can comprise a first (e.g., outer) leg member, or first leg, and a second (e.g., inner) leg member, or second leg, telescopically slideable within the first leg.
- this arrangement can be reversed.
- the first and second legs of each of the plurality of support legs can provide for infinite adjustment of a height of the canopy structure within an available range of adjustment. That is, instead of providing a small number of discrete adjustment positions, the support legs can permit adjustment to any relative position of the first and second legs within an adjustment range.
- the user can adjust the height of any or all of the support legs to an exact desirable height rather than one of a few available heights, none of which may meet the needs or desires of the user for the specific application or conditions.
- the canopy structure preferably includes an upper frame portion that supports a canopy cover.
- the upper frame portion can include, possibly among other features, a plurality of eaves comprising one or more scissor-jack members moveable between an extended position and a collapsed position to permit the canopy to be moved between a collapsed and an expanded position.
- an eave extends between and interconnects each pair of support legs.
- the number of support legs and eaves can be identical. However, in other arrangements, the number of support legs and the number of eaves can be different from one another.
- the canopy structure can comprise one or more locking members or locks.
- a locking member is provided for each of the support legs.
- the locking member is secured to one of the first and second legs and, in a locked position, engages the other of the first and second legs to secure the first and second legs in a desired relative position or height.
- the locking members can be coupled to the outer telescoping canopy legs, such as in the illustrated arrangements, or, alternatively, can be coupled to the inner telescoping canopy legs.
- the locking members can be adjustable between a locked and an unlocked position.
- the locking members can be configured to apply a radial inward force to frictionally engage the first and second telescoping legs.
- the locking member can be configured to apply a radial inward force received by the inner telescoping leg when the locking member is in the locked position.
- the locking members can be configured to apply sufficient radial inward force to support the canopy structure at a fixed height, at least in response to normal forces applied to the canopy structure.
- the retaining force is applied to localized area, a relatively small area or along a portion of a perimeter of the leg.
- the retaining force can be applied to only one side of the leg.
- the retaining force can be applied to a significant area, such as a significant portion or substantial entirety of a perimeter of the leg.
- the locking members can be configured, in a locked position, to reduce a perimeter of at least a portion of the locking member to apply a squeezing force to one of the inner and outer (or first and second) telescoping legs to secure the support leg in a desired relative position or height.
- the outer telescoping leg can comprise a window.
- the locking member can be configured to apply radial inward force to the inner telescoping leg through the window.
- the locking member can be configured to apply radial inward force to a localized portion of the inner telescoping leg. In other embodiments, the locking member can be configured to distribute the radial inward force around a perimeter of the telescoping canopy legs.
- the locking member can be contoured to an outer surface of the inner and/or outer telescoping leg.
- FIG. 1 shows a front plan view of one embodiment of a canopy frame 100 for a collapsible canopy shelter.
- canopy frame 100 comprises a plurality of eaves 120 linking a plurality of canopy or support leg assemblies (also referred to as “support legs” or “poles”) 130 .
- the canopy frame 100 can support a canopy cover 102 .
- the canopy legs 130 can comprise a first upper telescoping canopy-leg section (also referred to as a “leg”) 132 and a second bottom telescoping canopy-leg section or leg 134 .
- the upper telescoping canopy leg 132 and bottom telescoping canopy leg 134 can be fixedly secured relative to each other by lock member or lock assembly (also referred to as a “lock”) 140 .
- Each eave 120 can comprise a series of pivotally coupled scissor-jack members 126 1 , 126 2 , 126 3 , . . . 126 N .
- Each scissor-jack member 126 1 , 126 2 , 126 3 , . . . 126 N can include a first cross member 122 1 , 122 2 , 122 3 , . . . 122 N and a second cross member 124 1 , 124 2 , 124 3 , . . . 124 N , crossed and pivotally coupled at a cross point 128 .
- two reinforcing cross members 125 may be crossed and pivotally coupled to the first cross members and second cross members at each intersection of scissor jack members 126 1 , 126 2 , 126 3 , . . . 126 N . All pivoting joints may be pinned, bolted, riveted, joined by rotational fasteners, or otherwise rotatively connected as is known in the art.
- Each eave 120 can be collapsibly coupled to a pair of upwardly extending poles 130 through two fixed eave mounts 112 and two sliding eave mounts 110 .
- Fixed eave mounts 112 may be fixably coupled to the top ends of the upwardly extending poles 130
- sliding eave mounts 110 can be slidably coupled to the poles 130 such that sliding eave mounts 110 can slide in the direction of the length of upwardly extending poles 130 .
- the cross members can be pivotally coupled to the eave mounts.
- first cross member 122 1 can be pivotally coupled to a first fixed eave mount 112
- first cross member 122 3 can be pivotally coupled to a second fixed eave mount 112
- Second cross member 124 1 can be pivotally coupled to a first sliding eave mount 110
- second cross member 124 3 can be pivotally coupled to a second sliding eave mount 110 .
- the sliding eave mounts 110 are shown in a fixed extended position such as when a canopy is in a fully-opened position.
- the canopy frame 110 can transition from a fully-opened position toward or to a closed position, and scissor-jack members 126 1 , 126 2 , 126 3 , . . . 126 N can collapse in a manner similar to the compression of an accordion.
- FIG. 2 shows a perspective view of the canopy leg or support leg 130 separate from the canopy 100 .
- the canopy leg 130 comprises a first upper telescoping canopy-leg section 132 and a second bottom telescoping canopy-leg section 134 .
- the upper telescoping canopy-leg section 132 and the bottom telescoping canopy-leg section 134 can comprise different cross-sectional areas and hollow interiors.
- the upper telescoping canopy-leg section 132 can comprise a larger cross-sectional area than the bottom telescoping canopy-leg section 134 .
- the different cross sectional areas and hollow interiors of the upper telescoping canopy-leg section 132 and bottom telescoping canopy-leg section 134 allow the upper telescoping canopy-leg section 132 and bottom telescoping canopy-leg section 134 to telescopically move relative to each other.
- the interior of the upper telescoping canopy-leg section 132 can slide down the exterior of the bottom telescoping canopy-leg section 134 .
- the upper telescoping canopy-leg section 132 and a bottom telescoping canopy-leg section 134 can each comprise five sides and form a generally pentagram-shaped cross section.
- the upper telescoping canopy-leg section 132 and a bottom telescoping canopy-leg section 134 can comprise any other number of sides, such as three sides to form a generally triangular cross section, four sides to form a generally rectangular cross section, and six sides to form a generally hexagonal cross section.
- the upper telescoping canopy-leg section 132 and a bottom telescoping canopy-leg section 134 can each have a generally trapezoidal cross-sectional shape.
- the upper telescoping canopy-leg section 132 and a bottom telescoping canopy-leg section 134 can feature curved sides having circular or elliptical cross sections, for example.
- the upper telescoping canopy-leg section 132 and a bottom telescoping canopy-leg section 134 can feature generally symmetrical or asymmetrical geometric or round/oval profiles.
- the leg sections 132 , 134 can be of the same shape or different, but preferably complementary shapes.
- the upper telescoping canopy-leg section 132 and bottom telescoping canopy-leg section 134 can be fixedly secured relative to each other by a lock, such as a lever-activated lock arrangement 140 .
- lock 140 could also be actuated or operated via another suitable mechanism, such as a push-button or rotational knob, for example.
- the lever-activated lock 140 can selectively fixedly secure the upper telescoping canopy-leg section 132 and the bottom telescoping canopy-leg section 134 relative to each other to prevent movement therebetween, at least in response to normal or expected forces applied to the canopy 100 or leg 130 .
- the lever-activated lock 140 can support the upper telescoping canopy-leg section 132 and the bottom telescoping canopy-leg section 134 in a fully-extended position. When in a fully extended position, the canopy leg 130 can be at a maximum height.
- the lever-activated lock 140 also can support the upper telescoping canopy-leg section 132 and the bottom telescoping canopy-leg section 134 at any other relative position within an available adjustment range, thereby providing a range of heights for the canopy leg 130 .
- the lever-activated lock 140 can allow the upper telescoping canopy-leg section 132 and the bottom telescoping canopy-leg section 134 to telescopically move relative to each other to provide height adjustment of the canopy leg 130 .
- the lever-activated lock 140 can be fixed proximate a bottom end of the upper telescoping canopy-leg section 132 .
- the lock 140 is secured to the upper leg 132 and engages the lower leg 134 ; however, this arrangement could be reversed.
- the canopy leg 130 comprises two telescoping canopy-leg sections 132 , 134 and one lever-activated lock 140 .
- the canopy leg 130 can comprise any number of telescoping canopy-leg sections and lever-activated locks.
- the canopy leg 130 can comprise three telescoping canopy-leg sections and two lever-activated locks, or four telescoping canopy-leg sections and three lever-activated locks.
- a canopy leg 130 comprises n telescoping canopy-leg sections
- the canopy leg 130 can comprise n ⁇ 1 lever-activated locks.
- Each of the canopy-leg sections can comprise any cross sectional shape, including the shapes described above with respect to the upper telescoping canopy-leg section 132 and a bottom telescoping canopy-leg section 134 .
- FIG. 3 shows a perspective view of an embodiment of the lever-activated lock 140 separate from the canopy leg 130 .
- the lever-activated lock 140 can comprise a main body, which is referred to herein as an outer collar 342 .
- the lock 140 also includes at least one and preferably a pair of ears 343 and 347 ( FIG. 7 ), which support a lever 344 .
- the outer collar 342 can be defined as a one-piece (i.e., unitary) construction of any suitable material, such as a molded plastic, for example.
- the one-piece construction can include the ears 343 , 347 , as illustrated, or the ears 343 , 347 can be separate members attached to the outer collar 342 .
- An opening 345 in the ears 343 , 347 of the outer collar 342 can receive a cylindrical support member (e.g., a pin, shaft or bolt) 350 that supports the lever 344 for rotation relative to the outer collar 342 .
- a cylindrical support member e.g., a pin, shaft or bolt
- the lever 344 is in a locked position.
- the lever 344 can engage, or cause another member to engage, one of the legs 132 , 134 (e.g., the bottom telescoping canopy-leg section 134 in the illustrated arrangement) to fixedly secure them relative to each other to prevent movement there between, at least in response to normal operational loads.
- the lever 344 can rotate about an axis defined through the opening 345 of the ears 343 , 347 and/or support member 350 to transition from a locked position to an unlocked position.
- the lever 344 can be positioned at any desired location around a perimeter of the canopy leg 130 .
- the lever 344 is positioned generally or substantially on an outside of the canopy leg 130 relative to the canopy 100 as a whole. In other arrangements, the lever 344 can be positioned on the inside of the canopy leg 130 .
- the canopy leg 130 can include components, structures or arrangements configured to facilitate sliding motion of the legs 132 , 134 relative to one another and/or inhibited unintentional or undesirable separation of the legs 132 , 134 .
- the canopy leg 130 can include an inner collar or bushing 346 comprising a generally annular body 360 and a collar positioning member or retainer 348 , which can engage a corresponding opening 400 in one of the legs 132 , 134 .
- the inner collar 346 is secured at or near an upper end of the inner or lower leg 134 .
- the body 360 has a shape similar to the cross-sectional shape of the legs 132 , 134 and a thickness selected to occupy a significant portion or a substantial entirety of the space between the outer leg 132 and the inner leg 134 .
- the inner collar 346 can act as a sliding member or bushing (solid bearing) to facilitate smooth movement between the legs 132 , 134 .
- the inner collar 346 can be constructed of any suitable material, but may be a plastic material, such as a low friction or self-lubricating plastic material.
- the inner collar 346 includes a slot 362 interrupting the perimeter of the body 360 to facilitate assembly of the inner collar 346 onto the leg 134 .
- the inner collar 346 can also inhibit undesired or unintentional disengagement of the legs 132 , 134 by contacting a member or portion of one of the legs 132 , 134 in an extended position of the canopy leg 130 .
- the inner collar 346 can contact a portion of the lock 140 , such as an engagement or friction member 438 ( FIG. 10 ) of the lock 140 , for example and without limitation.
- the inner collar 346 can contact a dedicated stop provided on the outer leg 132 .
- FIG. 8 shows a perspective view of the inner collar member 346 removed from the canopy leg 130 .
- the collar member 346 is configured so that it can be radially constricted to facilitate assembly to one of the telescoping canopy-leg sections 132 , 134 (e.g., the inner leg 134 as shown in FIG. 11 ).
- the inner collar member 346 can occupy some or all of a space between the inner and outer telescoping leg sections 132 , 134 to facilitate movement of the inner and outer telescoping leg sections 132 , 134 relative to each other with reduced friction when the locking member 140 is in an unlocked position.
- FIG. 9 shows a perspective view of the canopy leg 130 with the lock 140 removed.
- an opening or window 436 is provided at or near a bottom end of the upper telescoping canopy-leg section 132 to facilitate engagement of the lock 140 with the lower telescoping canopy-leg section 134 .
- a portion of the lock 140 extends through the opening 436 and contacts the lower telescoping canopy-leg section 134 .
- Such an arrangement allows a substantial portion or a substantial entirety of the lock 140 to surround the upper telescoping canopy-leg section 132 while still being able to engage the lower telescoping canopy-leg section 134 .
- the lock 140 could contact or otherwise engage the lower telescoping canopy-leg section 134 at a location below the upper telescoping canopy-leg section 132 .
- the illustrated opening 436 is surrounded on all sides by the upper telescoping canopy-leg section 132 ; however, in other arrangements, the opening 436 could extend to an end of the upper telescoping canopy-leg section 132 and be open on at least one side.
- the opening 436 is generally rectangular in shape, but could be other shapes, as well.
- the opening 436 is positioned entirely on one side of the upper telescoping canopy-leg section 132 , but could extend over two or more sides of the upper telescoping canopy-leg section 132 depending on how much contact or engagement surface area is desired. Thus, contacting multiple sides can permit sufficient contact or engagement surface area without increasing a height of the lock 140 .
- FIG. 10 shows a perspective view of the lever-activated lock 140 secured to the upper telescoping canopy-leg section 132 with the lower telescoping canopy-leg section 134 removed.
- a portion of the lever 344 can extend through the opening 436 and contact the lower telescoping canopy-leg section 134 .
- the lever 344 causes another component to contact the lower telescoping canopy-leg section 134 .
- an engagement or friction member 438 can be received within the window or opening 436 in the upper telescoping canopy-leg section 132 and facilitate engagement of the lever-activated lock 140 with the upper telescoping canopy-leg section 132 .
- the lever 344 or other portion of the lock 140 can indirectly contact the lower telescoping canopy-leg section 134 by applying a force to the engagement or friction member 438 , which in turn applies a force to the lower telescoping canopy-leg section 134 .
- the engagement or friction member 438 can be constructed of a suitable material for its purpose, such as a friction-enhancing material, and the lever 344 can be constructed of a suitable material for its purpose, thereby permitting separate optimization of each component.
- the illustrated engagement or friction member 438 has the same shape as, and occupies a substantial entirety of, the opening 436 . In other arrangements, the engagement or friction member 438 may simply be capable of passing through the opening 436 and, thus, may be of a complementary shape rather than a substantially identical shape.
- FIG. 12 shows a side perspective view of the lower telescoping canopy-leg section 134 with the upper telescoping canopy-leg section 132 and the outer collar 342 of the lock 140 removed to reveal underlying structure.
- the upper telescoping canopy-leg section 132 and the lower telescoping canopy-leg section 134 can be fixedly secured relative to each other by the lock or lever-activated lock 140 .
- the upper telescoping canopy-leg section 132 and the lower telescoping canopy-leg section 134 can be secured in any relative position within an available range of adjustment, which, in some arrangements, can be a substantial entirety of a length of the upper telescoping canopy-leg section 132 or the lower telescoping canopy-leg section 134 .
- Such an arrangement is referred to herein as “infinitely” adjustable.
- the lock 140 preferably contacts or engages a side surface of the lower telescoping canopy-leg section 134 and inhibits or prevents movement of the lower telescoping canopy-leg section 134 relative to the upper telescoping canopy-leg section 132 via a friction force or a clamping force in contrast to the interference or interlocking (e.g., pin-in-hole) arrangements of existing canopy legs.
- the illustrated lock 140 does not rely on a small number of discrete adjustment locations.
- the lock 140 exerts a radial or lateral force on the lower telescoping canopy-leg section 134 .
- the direction of a force applied to the lower telescoping canopy-leg section 134 is in a direction substantially perpendicular to a direction of relative movement of the canopy leg 130 , which is a length direction of the canopy leg 130 in the illustrated arrangement.
- the illustrated lock 140 (or any other embodiment of the lock 140 disclosed herein) can be implemented in a discrete-adjustment arrangement in which a number of discrete adjustment positions are provided.
- such an arrangement can utilize through-holes or indentations in the canopy leg 130 that can be engaged by a locking member, such as a pin, for example.
- the lever-activated lock 140 can selectively fixedly secure the first telescoping canopy-leg section 132 and the second telescoping canopy-leg section 134 relative to each other to inhibit or prevent movement there between.
- the lever-activated lock 140 can support the first telescoping canopy-leg section 132 and the second telescoping canopy-leg section 134 in a fully-extended position. When in a fully extended position, the canopy leg 130 can be at a maximum height.
- the lever-activated lock 140 also can support the first telescoping canopy-leg section 132 and the second telescoping canopy-leg section 134 at any other relative position, thereby providing a range of heights for the canopy leg 130 .
- the lever-activated lock 140 can allow the first telescoping canopy-leg section 132 and the second telescoping canopy-leg section 134 to telescopically move relative to each other to provide height adjustment of the canopy leg 130 .
- FIGS. 12 and 14 show the lever 344 of the lock 140 in a locked position.
- the lever 344 can comprise a lever handle portion 444 and a cam portion 450 .
- the cam portion 450 of the lever 344 can comprise a first portion of, for example, a first or increased radius 452 (a locking portion) and a second portion of, for example, a second or reduced radius 454 (an unlocking portion).
- the portion of increased radius 452 can comprise a radius r 1 from a center of the aperture 345 or the axis of rotation of the cam portion 450 .
- the portion of decreased radius 454 can comprise a radius r 2 from the center of the aperture 1545 or the axis of rotation of the cam portion 450 .
- the cam portion 452 can provide a radial inward (or lateral) force engaging a friction member 438 or, in alternative arrangements, directly engaging the lower telescoping canopy-leg section 134 .
- the friction member 438 can be any member capable of transmitting the radial inward or lateral force.
- the friction member 438 can transmit the radial inward force from the cam portion 452 to frictionally engage the lower telescoping canopy-leg section 134 .
- FIGS. 13 and 15 show lever 344 in an unlocked position.
- the cam portion 450 when the lever 344 is in an unlocked position, the cam portion 450 does not engage the friction member 438 .
- the cam portion of reduced radius 454 can be adjacent to the friction member 438 but not in engagement with the friction member 438 or at least not transmitting a sufficient force to inhibit or prevent relative movement between the upper telescoping canopy-leg section 132 and the lower telescoping canopy-leg section 134 .
- FIGS. 16-18 illustrate a modification of the lock 140 of FIGS. 1-15 .
- the lock 140 of FIGS. 16-18 is also a lever-actuated lock; however, it could be actuated or operated via another suitable mechanism, such as a push-button or rotational knob, for example.
- the lever-activated lock 140 can comprise a body 531 , a lever 344 , a first ear 534 a, a second ear 534 b, a third ear 534 c, a fourth ear 534 d, a first fastener (e.g., screw or bolt-and-nut assembly 536 a ), and a second fastener (e.g., screw or bolt-and-nut assembly 536 b ).
- a first fastener e.g., screw or bolt-and-nut assembly 536 a
- a second fastener e.g., screw or bolt-and-nut assembly 536 b
- the body 531 can be defined as a one-piece molded plastic construction. However, in other arrangements, the body 531 can be constructed of multiple components or pieces coupled to one another and/or can be constructed of other suitable materials by other suitable processes.
- the first fastener 536 a can extend between and couple the first ear 534 a and second ear 534 b. When the first fastener 536 a is tightened, the first ear 534 a and the second ear 534 b are brought in closer proximity to each other such that the body 531 applies a squeezing force to the first telescoping canopy-leg section 132 to secure the body 531 to the first telescoping canopy-leg section 132 . Preferably, this is done during manufacture or assembly of the canopy 100 or canopy leg 130 .
- the second fastener 536 b can extend between the third ear 534 c and fourth ear 534 d.
- the lever 532 can be coupled to the second fastener 536 b and engage the third ear 534 c.
- the lever 344 can rotate about an axis defined by a shaft 350 to transition from a locked position to an unlocked position. When the lever 344 transitions from an unlocked position to a locked position, it effectively shortens a length of a portion of the second fastener 536 b that extends between the ears 534 c and 534 d via the cam portion 450 of the lever 344 to pull the third ear 534 c in closer proximity to the fourth ear 534 d. As shown in FIG.
- the lever 344 is in a locked position.
- the lever 344 When in a locked position, the lever 344 provides for radial constriction of at least a portion of the body 531 that engages the second or lower telescoping canopy-leg section 134 to fixedly secure the first telescoping canopy-leg section 132 and the second telescoping canopy-leg section 134 relative to each other to inhibit or prevent movement there between.
- the body 531 can apply a squeezing force to an outer surface of the second or lower telescoping canopy-leg section 134 to secure the second telescoping canopy-leg section 134 relative to the first telescoping canopy-leg section 132 .
- the body 531 of the lock 140 frictionally engages an outer surface of the second telescoping canopy-leg section 134 .
- the body 531 applies a force to a substantial entirety of a perimeter of the second telescoping canopy-leg section 134 . Therefore, the body 531 can engage any portion of the second telescoping canopy-leg section 134 to provide infinite adjustability within the available range of adjustment.
- the cam portion 450 of the lever 344 includes two locking surfaces such that the lever 344 has two locking positions (e.g., generally aligned with the third ear 534 c in either direction). In the unlocked position, the lever 344 extends generally perpendicular to the third ear 534 c in the illustrated arrangement.
- any of the locks 140 disclosed herein can find utility in other applications or be modified for use in other applications.
- any of the locks 140 disclosed herein can be implemented in the sliding eave mounts 110 in a manner similar to the canopy leg applications illustrated in detail herein. With such an arrangement, non-discrete adjustment of the sliding eave mount 110 can be provided, including infinite adjustability within a particular range of adjustment, for example.
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Abstract
Description
- Any and all applications for which a foreign or domestic priority claim is identified in the Application Data Sheet as filed with the present application are hereby incorporated by reference and made a part of the present disclosure.
- The inventions disclosed herein relate generally to height-adjustable canopy legs and locking mechanisms therefor, including locking mechanisms for infinitely height-adjustable canopy legs and selectively fixedly securing sections of telescoping canopy legs relative to each other to prevent movement there between.
- In some embodiments, a canopy structure comprises a plurality of support members, each of the plurality of support members comprising a first leg and a second leg, the second leg of each of the plurality of support members telescopically slideable within the first leg of each of the plurality of support members to adjust a height of the canopy structure; a plurality of eaves, each of the plurality of eaves coupled to a top end of each of the plurality of support members, each of the plurality of eaves comprising at least one scissor-jack member moveable between an extended position and a collapsed position; and a plurality of locking members, each of the plurality of locking members coupled to the first leg of one of the plurality of support members, each of the plurality of locking members comprising a locking lever comprising a handle portion and a cam portion, the locking lever moveable between an unlocked position and a locked position; and a friction member engageable with the cam portion of the locking lever, wherein the friction member is configured to apply a radial inward force received by an area of the second leg of the one of the plurality of support members when the locking lever is in the locked position.
- In some embodiments, a canopy structure comprises a support member, the support member comprising a first leg and a second leg, the second leg telescopically slideable within the first leg to adjust a height of the canopy structure; an eave coupled to a top end of the support member, the eave comprising at least one scissor-jack member moveable between an extended position and a collapsed position; and a locking member coupled to the first leg, the locking member adjustable between a locked and an unlocked position, wherein the locking member is configured to apply a radial inward force received by an area of the second leg when the locking member is in the locked position.
- In some embodiments, a canopy structure includes at least one support member. The support member includes a first leg and a second leg. The first leg and the second leg are telescopically engaged with one another for movement along an adjustment axis to permit adjustment of a height of the support member. An upper frame includes at least one eave coupled to an upper end of the support member. The eave includes at least one scissor-jack member moveable between an extended position and a collapsed position. A canopy cover is supported by the upper frame. A lock is coupled to the support member and is movable between a locked position and an unlocked position. A portion of the lock is configured to apply a retaining force to a surface of one of the first leg and the second leg when the lock is in the locked position to retain the first leg and the second leg in a fixed position relative to one another. The retaining force is applied to the surface in a direction substantially perpendicular to the adjustment axis.
- Embodiments of various inventive features will now be described with reference to the following drawings. Throughout the drawings, reference numbers may be re-used to indicate correspondence between referenced elements. The drawings are provided to illustrate example embodiments described herein and are not intended to limit the scope of the disclosure.
-
FIG. 1 is a front plan view of an embodiment of a canopy structure having an upper frame portion and a plurality of height-adjustable telescoping support legs. -
FIG. 2 is a perspective view of a height-adjustable telescoping support leg ofFIG. 1 separate from the canopy structure. The leg includes a lock that secures the telescoping support leg in a desired height position. -
FIG. 3 is a perspective view of the lock ofFIG. 2 separate from the telescoping support leg. -
FIG. 4 is a cross-sectional view of the support leg and lock taken along the line 4-4 ofFIG. 2 . -
FIG. 5 is another perspective view of the lock ofFIG. 3 . -
FIG. 6 is a top view of the lock ofFIG. 3 . -
FIG. 7 is a perspective view of a body of the lock ofFIG. 3 with a lever removed. -
FIG. 8 is a perspective view of an inner collar member of the support leg ofFIG. 2 . -
FIG. 9 is a perspective view of a portion of the support leg ofFIG. 2 with the lock removed to illustrate underlying structure. -
FIG. 10 is a perspective view of the support leg ofFIG. 2 with a lower leg member removed to illustrate underlying structure. -
FIG. 11 is a perspective view of an upper portion of the lower leg member with the inner collar member ofFIG. 8 installed. -
FIG. 12 is a perspective view of the lower leg member, lever and a force transfer member of the support leg ofFIG. 2 with other parts removed and the lever in a locked position. -
FIG. 13 is a perspective view of the lower leg member, lever and a force transfer member ofFIG. 12 with the lever in an unlocked position. -
FIG. 14 is a cross-sectional view of the support leg ofFIG. 2 with the body of the lock removed and the lever in a locked position. -
FIG. 15 is a cross-sectional view of the support leg ofFIG. 14 with the lever in an unlocked position. -
FIG. 16 is a side view of a modification of the height-adjustable telescoping support leg ofFIG. 2 . -
FIG. 17 is a perspective view of a lock ofFIG. 16 separate from the support leg. -
FIG. 18 is an end view of a body of the lock ofFIG. 17 . - In some embodiments, a canopy structure comprises a plurality of telescoping support leg assemblies, or support legs. The plurality of support legs each can comprise a first (e.g., outer) leg member, or first leg, and a second (e.g., inner) leg member, or second leg, telescopically slideable within the first leg. In some embodiments, this arrangement can be reversed. The first and second legs of each of the plurality of support legs can provide for infinite adjustment of a height of the canopy structure within an available range of adjustment. That is, instead of providing a small number of discrete adjustment positions, the support legs can permit adjustment to any relative position of the first and second legs within an adjustment range. Advantageously, with such an arrangement, the user can adjust the height of any or all of the support legs to an exact desirable height rather than one of a few available heights, none of which may meet the needs or desires of the user for the specific application or conditions. In addition, the canopy structure preferably includes an upper frame portion that supports a canopy cover. The upper frame portion can include, possibly among other features, a plurality of eaves comprising one or more scissor-jack members moveable between an extended position and a collapsed position to permit the canopy to be moved between a collapsed and an expanded position. In some arrangements, an eave extends between and interconnects each pair of support legs. Thus, the number of support legs and eaves can be identical. However, in other arrangements, the number of support legs and the number of eaves can be different from one another.
- The canopy structure can comprise one or more locking members or locks. Preferably, a locking member is provided for each of the support legs. In some arrangements, the locking member is secured to one of the first and second legs and, in a locked position, engages the other of the first and second legs to secure the first and second legs in a desired relative position or height. The locking members can be coupled to the outer telescoping canopy legs, such as in the illustrated arrangements, or, alternatively, can be coupled to the inner telescoping canopy legs. The locking members can be adjustable between a locked and an unlocked position. The locking members can be configured to apply a radial inward force to frictionally engage the first and second telescoping legs. For example, the locking member can be configured to apply a radial inward force received by the inner telescoping leg when the locking member is in the locked position. Preferably, the locking members can be configured to apply sufficient radial inward force to support the canopy structure at a fixed height, at least in response to normal forces applied to the canopy structure. In some arrangements, the retaining force is applied to localized area, a relatively small area or along a portion of a perimeter of the leg. For example, the retaining force can be applied to only one side of the leg. However, in other arrangements, the retaining force can be applied to a significant area, such as a significant portion or substantial entirety of a perimeter of the leg. For example, in some arrangements, the locking members can be configured, in a locked position, to reduce a perimeter of at least a portion of the locking member to apply a squeezing force to one of the inner and outer (or first and second) telescoping legs to secure the support leg in a desired relative position or height.
- In some embodiments, the outer telescoping leg can comprise a window. The locking member can be configured to apply radial inward force to the inner telescoping leg through the window.
- As discussed above, in some embodiments, the locking member can be configured to apply radial inward force to a localized portion of the inner telescoping leg. In other embodiments, the locking member can be configured to distribute the radial inward force around a perimeter of the telescoping canopy legs. The locking member can be contoured to an outer surface of the inner and/or outer telescoping leg.
- For the purpose of understanding particular embodiments, reference will be made to the drawings.
-
FIG. 1 shows a front plan view of one embodiment of acanopy frame 100 for a collapsible canopy shelter. In this embodiment,canopy frame 100 comprises a plurality ofeaves 120 linking a plurality of canopy or support leg assemblies (also referred to as “support legs” or “poles”) 130. Thecanopy frame 100 can support acanopy cover 102. Thecanopy legs 130 can comprise a first upper telescoping canopy-leg section (also referred to as a “leg”) 132 and a second bottom telescoping canopy-leg section orleg 134. The uppertelescoping canopy leg 132 and bottomtelescoping canopy leg 134 can be fixedly secured relative to each other by lock member or lock assembly (also referred to as a “lock”) 140. Eacheave 120 can comprise a series of pivotally coupled scissor-jack members 126 1, 126 2, 126 3, . . . 126 N. Each scissor-jack member 126 1, 126 2, 126 3, . . . 126 N can include a first cross member 122 1, 122 2, 122 3, . . . 122 N and a second cross member 124 1, 124 2, 124 3, . . . 124 N, crossed and pivotally coupled at across point 128. In some embodiments, to provide additional rigidity to improve the structural integrity of canopy frame 10, two reinforcingcross members 125 may be crossed and pivotally coupled to the first cross members and second cross members at each intersection of scissor jack members 126 1, 126 2, 126 3, . . . 126 N. All pivoting joints may be pinned, bolted, riveted, joined by rotational fasteners, or otherwise rotatively connected as is known in the art. - Each
eave 120 can be collapsibly coupled to a pair of upwardly extendingpoles 130 through two fixed eave mounts 112 and two sliding eave mounts 110. Fixed eave mounts 112 may be fixably coupled to the top ends of the upwardly extendingpoles 130, and sliding eave mounts 110 can be slidably coupled to thepoles 130 such that sliding eave mounts 110 can slide in the direction of the length of upwardly extendingpoles 130. The cross members can be pivotally coupled to the eave mounts. For example, first cross member 122 1 can be pivotally coupled to a first fixedeave mount 112, and first cross member 122 3 can be pivotally coupled to a second fixedeave mount 112. Second cross member 124 1 can be pivotally coupled to a first slidingeave mount 110, and second cross member 124 3 can be pivotally coupled to a second slidingeave mount 110. As shown inFIG. 1 , the sliding eave mounts 110 are shown in a fixed extended position such as when a canopy is in a fully-opened position. When the sliding eave mounts 110 are slid down the upwardly extendingpoles 130 in a downward direction denoted by the arrow A, thecanopy frame 110 can transition from a fully-opened position toward or to a closed position, and scissor-jack members 126 1, 126 2, 126 3, . . . 126 N can collapse in a manner similar to the compression of an accordion. -
FIG. 2 shows a perspective view of the canopy leg orsupport leg 130 separate from thecanopy 100. As described above, thecanopy leg 130 comprises a first upper telescoping canopy-leg section 132 and a second bottom telescoping canopy-leg section 134. The upper telescoping canopy-leg section 132 and the bottom telescoping canopy-leg section 134 can comprise different cross-sectional areas and hollow interiors. For example, the upper telescoping canopy-leg section 132 can comprise a larger cross-sectional area than the bottom telescoping canopy-leg section 134. The different cross sectional areas and hollow interiors of the upper telescoping canopy-leg section 132 and bottom telescoping canopy-leg section 134 allow the upper telescoping canopy-leg section 132 and bottom telescoping canopy-leg section 134 to telescopically move relative to each other. For example, the interior of the upper telescoping canopy-leg section 132 can slide down the exterior of the bottom telescoping canopy-leg section 134. - The upper telescoping canopy-
leg section 132 and a bottom telescoping canopy-leg section 134 can each comprise five sides and form a generally pentagram-shaped cross section. In alternative embodiments, the upper telescoping canopy-leg section 132 and a bottom telescoping canopy-leg section 134 can comprise any other number of sides, such as three sides to form a generally triangular cross section, four sides to form a generally rectangular cross section, and six sides to form a generally hexagonal cross section. In other embodiments, the upper telescoping canopy-leg section 132 and a bottom telescoping canopy-leg section 134 can each have a generally trapezoidal cross-sectional shape. In other alternative embodiments, the upper telescoping canopy-leg section 132 and a bottom telescoping canopy-leg section 134 can feature curved sides having circular or elliptical cross sections, for example. In other alternative embodiments, the upper telescoping canopy-leg section 132 and a bottom telescoping canopy-leg section 134 can feature generally symmetrical or asymmetrical geometric or round/oval profiles. Theleg sections - The upper telescoping canopy-
leg section 132 and bottom telescoping canopy-leg section 134 can be fixedly secured relative to each other by a lock, such as a lever-activatedlock arrangement 140. However, lock 140 could also be actuated or operated via another suitable mechanism, such as a push-button or rotational knob, for example. When locked, the lever-activatedlock 140 can selectively fixedly secure the upper telescoping canopy-leg section 132 and the bottom telescoping canopy-leg section 134 relative to each other to prevent movement therebetween, at least in response to normal or expected forces applied to thecanopy 100 orleg 130. For example, the lever-activatedlock 140 can support the upper telescoping canopy-leg section 132 and the bottom telescoping canopy-leg section 134 in a fully-extended position. When in a fully extended position, thecanopy leg 130 can be at a maximum height. The lever-activatedlock 140 also can support the upper telescoping canopy-leg section 132 and the bottom telescoping canopy-leg section 134 at any other relative position within an available adjustment range, thereby providing a range of heights for thecanopy leg 130. When unlocked, the lever-activatedlock 140 can allow the upper telescoping canopy-leg section 132 and the bottom telescoping canopy-leg section 134 to telescopically move relative to each other to provide height adjustment of thecanopy leg 130. In some embodiments, the lever-activatedlock 140 can be fixed proximate a bottom end of the upper telescoping canopy-leg section 132. In the illustrated arrangement, thelock 140 is secured to theupper leg 132 and engages thelower leg 134; however, this arrangement could be reversed. - As shown in
FIG. 2 , thecanopy leg 130 comprises two telescoping canopy-leg sections lock 140. In alternative embodiments, thecanopy leg 130 can comprise any number of telescoping canopy-leg sections and lever-activated locks. For example, thecanopy leg 130 can comprise three telescoping canopy-leg sections and two lever-activated locks, or four telescoping canopy-leg sections and three lever-activated locks. In general, if acanopy leg 130 comprises n telescoping canopy-leg sections, thecanopy leg 130 can comprise n−1 lever-activated locks. Each of the canopy-leg sections can comprise any cross sectional shape, including the shapes described above with respect to the upper telescoping canopy-leg section 132 and a bottom telescoping canopy-leg section 134. -
FIG. 3 shows a perspective view of an embodiment of the lever-activatedlock 140 separate from thecanopy leg 130. The lever-activatedlock 140 can comprise a main body, which is referred to herein as anouter collar 342. Thelock 140 also includes at least one and preferably a pair ofears 343 and 347 (FIG. 7 ), which support alever 344. Theouter collar 342 can be defined as a one-piece (i.e., unitary) construction of any suitable material, such as a molded plastic, for example. The one-piece construction can include theears ears outer collar 342. Anopening 345 in theears outer collar 342 can receive a cylindrical support member (e.g., a pin, shaft or bolt) 350 that supports thelever 344 for rotation relative to theouter collar 342. As shown inFIG. 3 , thelever 344 is in a locked position. When in a locked position, thelever 344 can engage, or cause another member to engage, one of thelegs 132, 134 (e.g., the bottom telescoping canopy-leg section 134 in the illustrated arrangement) to fixedly secure them relative to each other to prevent movement there between, at least in response to normal operational loads. Thelever 344 can rotate about an axis defined through theopening 345 of theears support member 350 to transition from a locked position to an unlocked position. In use, thelever 344 can be positioned at any desired location around a perimeter of thecanopy leg 130. For example, in some arrangements, thelever 344 is positioned generally or substantially on an outside of thecanopy leg 130 relative to thecanopy 100 as a whole. In other arrangements, thelever 344 can be positioned on the inside of thecanopy leg 130. - With reference to
FIGS. 4 , 8 and 11, thecanopy leg 130 can include components, structures or arrangements configured to facilitate sliding motion of thelegs legs canopy leg 130 can include an inner collar orbushing 346 comprising a generallyannular body 360 and a collar positioning member orretainer 348, which can engage acorresponding opening 400 in one of thelegs inner collar 346 is secured at or near an upper end of the inner orlower leg 134. Preferably, thebody 360 has a shape similar to the cross-sectional shape of thelegs outer leg 132 and theinner leg 134. Thus, theinner collar 346 can act as a sliding member or bushing (solid bearing) to facilitate smooth movement between thelegs inner collar 346 can be constructed of any suitable material, but may be a plastic material, such as a low friction or self-lubricating plastic material. Preferably, theinner collar 346 includes aslot 362 interrupting the perimeter of thebody 360 to facilitate assembly of theinner collar 346 onto theleg 134. Theinner collar 346 can also inhibit undesired or unintentional disengagement of thelegs legs canopy leg 130. For example, theinner collar 346 can contact a portion of thelock 140, such as an engagement or friction member 438 (FIG. 10 ) of thelock 140, for example and without limitation. Alternatively, theinner collar 346 can contact a dedicated stop provided on theouter leg 132. -
FIG. 8 shows a perspective view of theinner collar member 346 removed from thecanopy leg 130. As described above, thecollar member 346 is configured so that it can be radially constricted to facilitate assembly to one of the telescoping canopy-leg sections 132, 134 (e.g., theinner leg 134 as shown inFIG. 11 ). In addition, theinner collar member 346 can occupy some or all of a space between the inner and outertelescoping leg sections telescoping leg sections member 140 is in an unlocked position. -
FIG. 9 shows a perspective view of thecanopy leg 130 with thelock 140 removed. In some configurations, an opening orwindow 436 is provided at or near a bottom end of the upper telescoping canopy-leg section 132 to facilitate engagement of thelock 140 with the lower telescoping canopy-leg section 134. Preferably, a portion of thelock 140 extends through theopening 436 and contacts the lower telescoping canopy-leg section 134. Such an arrangement allows a substantial portion or a substantial entirety of thelock 140 to surround the upper telescoping canopy-leg section 132 while still being able to engage the lower telescoping canopy-leg section 134. However, in other arrangements, thelock 140 could contact or otherwise engage the lower telescoping canopy-leg section 134 at a location below the upper telescoping canopy-leg section 132. The illustratedopening 436 is surrounded on all sides by the upper telescoping canopy-leg section 132; however, in other arrangements, theopening 436 could extend to an end of the upper telescoping canopy-leg section 132 and be open on at least one side. Furthermore, theopening 436 is generally rectangular in shape, but could be other shapes, as well. In addition, theopening 436 is positioned entirely on one side of the upper telescoping canopy-leg section 132, but could extend over two or more sides of the upper telescoping canopy-leg section 132 depending on how much contact or engagement surface area is desired. Thus, contacting multiple sides can permit sufficient contact or engagement surface area without increasing a height of thelock 140. -
FIG. 10 shows a perspective view of the lever-activatedlock 140 secured to the upper telescoping canopy-leg section 132 with the lower telescoping canopy-leg section 134 removed. In some configurations, a portion of thelever 344 can extend through theopening 436 and contact the lower telescoping canopy-leg section 134. However, in the illustrated arrangement, thelever 344 causes another component to contact the lower telescoping canopy-leg section 134. For example, an engagement orfriction member 438 can be received within the window or opening 436 in the upper telescoping canopy-leg section 132 and facilitate engagement of the lever-activatedlock 140 with the upper telescoping canopy-leg section 132. Thus, thelever 344 or other portion of thelock 140 can indirectly contact the lower telescoping canopy-leg section 134 by applying a force to the engagement orfriction member 438, which in turn applies a force to the lower telescoping canopy-leg section 134. With such an arrangement, the engagement orfriction member 438 can be constructed of a suitable material for its purpose, such as a friction-enhancing material, and thelever 344 can be constructed of a suitable material for its purpose, thereby permitting separate optimization of each component. The illustrated engagement orfriction member 438 has the same shape as, and occupies a substantial entirety of, theopening 436. In other arrangements, the engagement orfriction member 438 may simply be capable of passing through theopening 436 and, thus, may be of a complementary shape rather than a substantially identical shape. -
FIG. 12 shows a side perspective view of the lower telescoping canopy-leg section 134 with the upper telescoping canopy-leg section 132 and theouter collar 342 of thelock 140 removed to reveal underlying structure. As described above, the upper telescoping canopy-leg section 132 and the lower telescoping canopy-leg section 134 can be fixedly secured relative to each other by the lock or lever-activatedlock 140. Preferably, in some arrangements, to provide wide range of adjustment options, the upper telescoping canopy-leg section 132 and the lower telescoping canopy-leg section 134 can be secured in any relative position within an available range of adjustment, which, in some arrangements, can be a substantial entirety of a length of the upper telescoping canopy-leg section 132 or the lower telescoping canopy-leg section 134. Such an arrangement is referred to herein as “infinitely” adjustable. To accommodate such infinite adjustment, thelock 140 preferably contacts or engages a side surface of the lower telescoping canopy-leg section 134 and inhibits or prevents movement of the lower telescoping canopy-leg section 134 relative to the upper telescoping canopy-leg section 132 via a friction force or a clamping force in contrast to the interference or interlocking (e.g., pin-in-hole) arrangements of existing canopy legs. Thus, the illustratedlock 140 does not rely on a small number of discrete adjustment locations. Preferably, thelock 140 exerts a radial or lateral force on the lower telescoping canopy-leg section 134. That is, preferably, the direction of a force applied to the lower telescoping canopy-leg section 134 is in a direction substantially perpendicular to a direction of relative movement of thecanopy leg 130, which is a length direction of thecanopy leg 130 in the illustrated arrangement. However, in other arrangements, the illustrated lock 140 (or any other embodiment of thelock 140 disclosed herein) can be implemented in a discrete-adjustment arrangement in which a number of discrete adjustment positions are provided. For example, such an arrangement can utilize through-holes or indentations in thecanopy leg 130 that can be engaged by a locking member, such as a pin, for example. - When locked, the lever-activated
lock 140 can selectively fixedly secure the first telescoping canopy-leg section 132 and the second telescoping canopy-leg section 134 relative to each other to inhibit or prevent movement there between. For example, the lever-activatedlock 140 can support the first telescoping canopy-leg section 132 and the second telescoping canopy-leg section 134 in a fully-extended position. When in a fully extended position, thecanopy leg 130 can be at a maximum height. The lever-activatedlock 140 also can support the first telescoping canopy-leg section 132 and the second telescoping canopy-leg section 134 at any other relative position, thereby providing a range of heights for thecanopy leg 130. When unlocked, the lever-activatedlock 140 can allow the first telescoping canopy-leg section 132 and the second telescoping canopy-leg section 134 to telescopically move relative to each other to provide height adjustment of thecanopy leg 130. -
FIGS. 12 and 14 show thelever 344 of thelock 140 in a locked position. In some embodiments, thelever 344 can comprise alever handle portion 444 and acam portion 450. Thecam portion 450 of thelever 344 can comprise a first portion of, for example, a first or increased radius 452 (a locking portion) and a second portion of, for example, a second or reduced radius 454 (an unlocking portion). For example, the portion of increasedradius 452 can comprise a radius r1 from a center of theaperture 345 or the axis of rotation of thecam portion 450. The portion of decreasedradius 454 can comprise a radius r2 from the center of the aperture 1545 or the axis of rotation of thecam portion 450. When thelever 344 is in a locked position, thecam portion 452 can provide a radial inward (or lateral) force engaging afriction member 438 or, in alternative arrangements, directly engaging the lower telescoping canopy-leg section 134. As described above, thefriction member 438 can be any member capable of transmitting the radial inward or lateral force. When thelever 344 is in the locked position, thefriction member 438 can transmit the radial inward force from thecam portion 452 to frictionally engage the lower telescoping canopy-leg section 134. -
FIGS. 13 and 15 show lever 344 in an unlocked position. In some embodiments, when thelever 344 is in an unlocked position, thecam portion 450 does not engage thefriction member 438. For example, when thelever 344 is in the unlocked position, the cam portion of reducedradius 454 can be adjacent to thefriction member 438 but not in engagement with thefriction member 438 or at least not transmitting a sufficient force to inhibit or prevent relative movement between the upper telescoping canopy-leg section 132 and the lower telescoping canopy-leg section 134. -
FIGS. 16-18 illustrate a modification of thelock 140 ofFIGS. 1-15 . Preferably, thelock 140 ofFIGS. 16-18 is also a lever-actuated lock; however, it could be actuated or operated via another suitable mechanism, such as a push-button or rotational knob, for example. The lever-activatedlock 140 can comprise abody 531, alever 344, afirst ear 534 a, asecond ear 534 b, athird ear 534 c, afourth ear 534 d, a first fastener (e.g., screw or bolt-and-nut assembly 536 a), and a second fastener (e.g., screw or bolt-and-nut assembly 536 b). Thebody 531 can be defined as a one-piece molded plastic construction. However, in other arrangements, thebody 531 can be constructed of multiple components or pieces coupled to one another and/or can be constructed of other suitable materials by other suitable processes. Thefirst fastener 536 a can extend between and couple thefirst ear 534 a andsecond ear 534 b. When thefirst fastener 536 a is tightened, thefirst ear 534 a and thesecond ear 534 b are brought in closer proximity to each other such that thebody 531 applies a squeezing force to the first telescoping canopy-leg section 132 to secure thebody 531 to the first telescoping canopy-leg section 132. Preferably, this is done during manufacture or assembly of thecanopy 100 orcanopy leg 130. - The
second fastener 536 b can extend between thethird ear 534 c andfourth ear 534 d. The lever 532 can be coupled to thesecond fastener 536 b and engage thethird ear 534 c. Thelever 344 can rotate about an axis defined by ashaft 350 to transition from a locked position to an unlocked position. When thelever 344 transitions from an unlocked position to a locked position, it effectively shortens a length of a portion of thesecond fastener 536 b that extends between theears cam portion 450 of thelever 344 to pull thethird ear 534 c in closer proximity to thefourth ear 534 d. As shown inFIG. 16 , thelever 344 is in a locked position. When in a locked position, thelever 344 provides for radial constriction of at least a portion of thebody 531 that engages the second or lower telescoping canopy-leg section 134 to fixedly secure the first telescoping canopy-leg section 132 and the second telescoping canopy-leg section 134 relative to each other to inhibit or prevent movement there between. Thus, with the illustrated arrangement, thebody 531 can apply a squeezing force to an outer surface of the second or lower telescoping canopy-leg section 134 to secure the second telescoping canopy-leg section 134 relative to the first telescoping canopy-leg section 132. In particular, thebody 531 of thelock 140 frictionally engages an outer surface of the second telescoping canopy-leg section 134. Preferably, thebody 531 applies a force to a substantial entirety of a perimeter of the second telescoping canopy-leg section 134. Therefore, thebody 531 can engage any portion of the second telescoping canopy-leg section 134 to provide infinite adjustability within the available range of adjustment. Preferably, thecam portion 450 of thelever 344 includes two locking surfaces such that thelever 344 has two locking positions (e.g., generally aligned with thethird ear 534 c in either direction). In the unlocked position, thelever 344 extends generally perpendicular to thethird ear 534 c in the illustrated arrangement. - Although disclosed in the context of a lock for the telescoping canopy legs, any of the
locks 140 disclosed herein can find utility in other applications or be modified for use in other applications. For example, any of thelocks 140 disclosed herein can be implemented in the sliding eave mounts 110 in a manner similar to the canopy leg applications illustrated in detail herein. With such an arrangement, non-discrete adjustment of the slidingeave mount 110 can be provided, including infinite adjustability within a particular range of adjustment, for example. - The features and attributes of the specific embodiments disclosed above may be combined in different ways to form additional embodiments, all of which fall within the scope of the present disclosure. Although this invention has been described in terms of certain preferred embodiments, other embodiments that are apparent to those of ordinary skill in the art, including embodiments which do not provide all of the benefits and features set forth herein, are also within the scope of this invention. Accordingly, the scope of the present invention is defined only by reference to the appended claims.
Claims (11)
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US15/628,346 US20180010359A1 (en) | 2012-10-01 | 2017-06-20 | Height-adjustable canopy leg |
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US14/295,094 Abandoned US20140283891A1 (en) | 2012-10-01 | 2014-06-03 | Height-adjustable canopy leg |
US15/628,346 Abandoned US20180010359A1 (en) | 2012-10-01 | 2017-06-20 | Height-adjustable canopy leg |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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US13/929,667 Active US8746267B2 (en) | 2012-10-01 | 2013-06-27 | Height-adjustable canopy leg |
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Application Number | Title | Priority Date | Filing Date |
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US15/628,346 Abandoned US20180010359A1 (en) | 2012-10-01 | 2017-06-20 | Height-adjustable canopy leg |
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US (3) | US8746267B2 (en) |
EP (2) | EP3553259A1 (en) |
CN (2) | CN110056246A (en) |
WO (1) | WO2014055367A1 (en) |
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US9797157B2 (en) | 2014-03-04 | 2017-10-24 | Shelterlogic Corp. | Canopy with detachable awning |
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- 2013-09-27 WO PCT/US2013/062364 patent/WO2014055367A1/en active Application Filing
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- 2013-09-27 EP EP13777375.0A patent/EP2904177B1/en active Active
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2014
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2017
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EP4047160A1 (en) * | 2020-12-01 | 2022-08-24 | Thule Sweden AB | Telescopic tent pole |
Also Published As
Publication number | Publication date |
---|---|
CN110056246A (en) | 2019-07-26 |
US20140090681A1 (en) | 2014-04-03 |
EP3553259A1 (en) | 2019-10-16 |
WO2014055367A8 (en) | 2015-05-14 |
EP2904177A1 (en) | 2015-08-12 |
CN103890297A (en) | 2014-06-25 |
EP2904177B1 (en) | 2019-05-15 |
US8746267B2 (en) | 2014-06-10 |
US20180010359A1 (en) | 2018-01-11 |
WO2014055367A1 (en) | 2014-04-10 |
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