US20010048057A1 - Attachment bracket for a rail - Google Patents
Attachment bracket for a rail Download PDFInfo
- Publication number
- US20010048057A1 US20010048057A1 US09/302,650 US30265099A US2001048057A1 US 20010048057 A1 US20010048057 A1 US 20010048057A1 US 30265099 A US30265099 A US 30265099A US 2001048057 A1 US2001048057 A1 US 2001048057A1
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- United States
- Prior art keywords
- rail
- bracket
- tang
- slot
- plate
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/08—Fastening or securing by means not forming part of the material of the label itself
- G09F3/18—Casings, frames or enclosures for labels
- G09F3/20—Casings, frames or enclosures for labels for adjustable, removable, or interchangeable labels
- G09F3/204—Casings, frames or enclosures for labels for adjustable, removable, or interchangeable labels specially adapted to be attached to a shelf or the like
Definitions
- the present invention is directed to a bracket for use in an article information display system, and more particularly, to a bracket for coupling a rail to a conventional shelf edge for use in an article information display system.
- Article information display systems are commonly used to provide variable information about various products.
- the system typically utilizes price tags having a variable display surface, such as an LCD (liquid crystal display) surface, to electronically display information about an associated, adjacent product. For example, price, price per unit weight, or other information may be displayed on the LCD display.
- a system controller controls the information displayed on a price tag. In this manner, the displayed information can be updated from a central location, and the controller can be coupled to the check-out scanners to ensure that the check-out price is consistent with the displayed price.
- Such article information display systems may be used in supermarkets, drug stores, grocery stores, hardware stores, auto parts stores, or other settings where variable article information is desired to be displayed.
- an auxiliary rail that is designed to receive and interact with an electronic display tag is mounted to conventional store shelves.
- Existing store shelves are preferably retrofitted to receive the auxiliary rail thereon.
- the auxiliary rail includes a conductor loop running along its length, and the electronic tag includes a coil extending around its periphery.
- the conductor in the rail communicates with the coil in the tag by inductive coupling to convey information from the controller to the tag.
- brackets and attachment means have been designed for attaching an auxiliary rail to an existing conventional shelf edge.
- the bracket of the present invention provides several advantages over the attachment methods disclosed therein.
- the present invention is a bracket that enables the installation of auxiliary rails and other components of an electronic display tag system onto conventional, preexisting store shelving assemblies.
- the bracket does not require any structural modification to preexisting shelving assemblies, is quickly and easily mounted to the shelf edge using conventional hand tools, and does not require removal of products from the shelves.
- the bracket also includes one or more rail receiving portions, such as grooves, to facilitate the attachment of the bracket to the rail, the grooves receiving melted portions of the rail when the rail is attached to the bracket by heat staking.
- the bracket of the present invention is shaped to reduce detuning of the electronic tags that are received in the rail, thereby improving the operating characteristics of the display system.
- the present invention is a bracket for coupling a rail having an upper slot and a lower slot to a shelf edge having an upper groove and a lower groove.
- the bracket comprises a central body portion, an upper flange extending generally upwardly from the body portion, a lower flange extending generally downwardly from the body portion, and a plate.
- the plate is received between the upper and the lower flanges such that as the plate is moved toward the body, the plate urges the upper flange and the lower flange into the upper and lower groove, respectively, to couple the bracket to the shelf edge.
- the bracket further comprises a first upper tang extending generally upwardly from the body portion and a first lower tang extending generally downwardly from the body portion, the upper tang and lower tang being shaped to be received in the upper and lower slot, respectively. At least one of the tangs has at least one rail receiving portion therein to facilitate the attachment of the bracket to the rail.
- the present invention is also directed to a rail for receiving an electronic display tag therein and for being coupled to a bracket.
- the rail comprises a central body having a front surface and a rear surface, an upper finger extending from the front surface, and a lower finger extending from the front surface and spaced from the upper finger.
- the upper finger and the lower finger define a channel to receive an electronic display tag therein.
- the rail further comprises an upper lip extending from the rear surface and defining an upper slot for receiving an upper tang of a bracket therein, the upper lip being shaped to maintain the upper tang in the upper slot.
- the rail further includes a lower lip extending from the rear surface and defining a lower slot for receiving a lower tang of the bracket therein, the lower lip being shaped to maintain the lower tang is the lower slot.
- FIG. 1 is an end view of one embodiment of the bracket of the present invention, shown mounted to a rail and a shelf edge;
- FIG. 2 is a perspective view of the bracket of FIG. 1;
- FIG. 3 is a front view of the bracket of FIG. 1;
- FIG. 4 is a perspective view of a rail coupled to a shelf edge
- FIG. 5 is a side view of an alternate embodiment of the bracket of the present invention, shown with a rail, shelf edge, and display tag;
- FIG. 6 is a rear view of one embodiment of a rail of the present invention, with a plurality of brackets attached thereto;
- FIG. 7 is a side view of the bracket of FIG. 5, shown with an alternate embodiment of the rail of the present invention, a shelf edge and a display tag.
- the bracket 10 of the present invention is used to couple a rail 12 to a conventional shelf edge 14 .
- the rail 12 includes an upper slot 16 and a lower slot 18 along its rear surface 20
- the shelf edge 14 includes an upper groove 22 and a lower groove 24 .
- the upper slot 16 is defined by an upper lip 17
- the lower slot is defined by a lower lip 19 .
- the bracket 10 includes a central body portion 26 , and has an upper flange 28 extending generally rearwardly and upwardly from the body portion 26 and a lower flange 30 extending generally rearwardly and downwardly from the body portion 26 .
- the flanges 28 , 30 are shaped to be received in the upper and lower grooves 22 , 24 to couple the bracket 10 to the shelf edge 14 .
- the upper flange 28 includes a slot 32 (FIG. 2) to provide flexibility to the upper flange 28 .
- a plate 34 is received between the upper 28 and lower flanges 30 , and the plate 34 and the body 26 each include a hole 36 , 38 that receives a threaded fastener 40 therethrough.
- the plate 34 includes a pair of end surfaces 42 that engage the flanges 28 , 30 .
- the bracket 10 further includes first and second upper tangs 46 , 47 extending generally upwardly from the body 26 , and first and second lower tangs 48 , 49 extending generally downwardly from the body 26 .
- the tangs 46 , 47 , 48 , 49 are shaped to be received in the upper 16 and lower 18 slots of the rail 12 (FIG. 1), to couple the bracket 10 to the rail 12 .
- a first vertically extending arm 50 joins the first upper tang 46 and the first lower tang 48 (FIG. 3), and a second vertically extending arm 51 joins the second upper tang 47 and the second lower tang 49 .
- the rail 12 is preferably made from plastic, and the bracket 10 is preferably formed of stainless steel or spring steel, although a wide variety of materials may be used, including non-metal materials.
- the rail 12 is preferably attached to the bracket 10 by heat staking, which entails heating the rail 12 and/or bracket 10 until portions of the rail 12 melt and conform around the bracket 10 , and allowing the melted portions to cool and harden.
- each tang 46 , 47 , 48 , 49 preferably includes one or more grooves 52 formed therein. During heat staking operations, portions of the rail 12 surrounding the grooves 52 tends to melt and flow into the grooves 52 on the tangs 46 , 47 , 48 , 49 .
- FIG. 6 illustrates an alternate embodiment of the rail 102 , and as shown in FIG. 6, a plurality of brackets 10 may be coupled to a single rail 102 (or a rail 12 ) in the above-described manner. However, it should be understood that only a single bracket may be sufficient to couple a rail 12 , 102 to a shelf edge 14 .
- the bracket 10 may also be attached to the rail 12 , 102 by an adhesive.
- the brackets 10 are preferably coupled to the rail 12 before being shipped to the customer. In this manner, the preassembled rail/bracket combination reduces the installation time for the customer.
- brackets 10 are placed loosely into the shelf edge 14 such that the upper flange 28 of each bracket 10 is received in the upper groove 22 and the lower flange 30 is received in the lower groove 24 (FIG. 1).
- the fastener 40 is then rotated to pull the plate 34 toward the body 26 of the bracket 10 (indicated by arrow A).
- the end surfaces 42 on the plate 34 engage the flanges 28 , 30 , thereby urging the flanges 28 , 30 into the grooves 22 , 24 (indicated by arrows B and C) until they are fixed within the grooves 22 , 24 by compression.
- the head 56 of the fastener 40 is preferably larger than the hole 38 in the body 26 such that the head 56 engages the body 26 during tightening to provide an opposing force during movement of the plate 34 in the direction of arrow A.
- a hole 58 is formed in the rail 12 to provide access to the head 56 of the fastener 40 , and the hole 58 is larger than the head 56 of the fastener 40 to allow the fastener to pass therethrough.
- the hole may be covered 58 with any acceptable piece of sheet-like material, preferably an adhesive material that matches the color of the rail 12 .
- a generally cylindrical plug may also be received into the hole 58 .
- FIG. 4 illustrates a rail 12 and shelf edge 14 after the rail 12 is attached to the shelf edge 14 .
- the bracket 10 is of a two piece construction wherein the tangs 46 , 47 , 48 , 49 are made from a first piece of material, and the flanges 28 , 30 are made from a second piece of material.
- the second piece of material that includes the flanges 28 , 30 may be made from a thinner material, which provides more flexibility to the flanges, and is cheaper to manufacture.
- the first piece of material that includes the tangs 46 , 47 , 48 , 49 may be made from a relatively thicker piece of metal to provide robustness to the bracket 10 .
- the first piece and second pieces of material may be joined by a variety of conventional methods, including spot welding.
- the bracket 10 may include one or more holes in the tangs 46 , 47 , 48 , 49 .
- the melted portions of the rail 12 may flow through the holes formed in the tangs.
- dimpled or recessed portions may be formed in the tangs 46 , 47 , 48 , 49 to receive melted portions of the rail therein.
- the shape of the upper 46 , 47 and lower tangs 48 , 49 may be varied to change the display angle of the rail 12 and a display tag 60 .
- the tangs may each include a generally horizontally extending section 62 and a generally vertically extending section 66 joined by an elbow 68 to vary the display angle.
- the bracket 10 of FIG. 5 may be used on an upper shelf edge to angle the tag 60 downwardly for easier viewing and access.
- an oppositely-angled bracket may be used to angle a rail and tag upwardly for use on a lower shelf edge.
- the end surfaces 42 of the plate 34 are both tapered to engage the flanges 28 , 30 .
- the rail 12 includes upper 72 and lower 70 channels for receiving a conductor 74 therein.
- the rail 12 receives a display tag 60 therein, and the tag 60 has a coil 76 extending around its periphery.
- the conductor 74 is used to transmit information and power to the coil 76 of the display tag 60 by means of inductive coupling.
- the coil 76 is electrically coupled to a capacitor, and the coil 76 and the capacitor are selected to resonate at a certain frequency, such as 50 kHz. It is known that the presence of conductive materials, such as metals, near the coil 76 may induce eddy currents in the coil 76 , which may change the inductance of the coil 76 .
- the bracket 10 is preferably formed of metal, too much metal of the bracket 10 adjacent to the coil 76 can reduce the power delivered to the tag at the resonant frequency (i.e., “detune” the tag).
- the bracket 10 is sized such that both of the vertical arms 50 , 51 cannot be adjacent the coil 76 at any one time.
- FIG. 3 illustrates the coil 76 of the tag 60 superimposed in hidden lines over the bracket 10 , the coil 76 having a pair of vertically-extending segments 80 , 80 ′. It is seen that the vertical arms 50 , 51 of the bracket 10 are located such that if one of the vertical arms 50 is superimposed over one of the vertically-extending segments 80 of the coil 76 , the other vertical arm 51 is not superimposed over the other vertically-extending segment 80 ′ of the coil 76 .
- the horizontal distance D between the vertical arms 50 , 51 is smaller than the horizontal distance E between the vertical segments 80 , 80 ′ of the tag coil 76 for the smallest tag 60 that is expected to be used in the system. In this manner, both of the arms 50 , 51 cannot simultaneously overlie the vertical segments 80 , 80 ′ of the coil 76 , which helps to minimize detuning of the system.
- the vertical arms 50 , 51 also each include a cutout 84 to reduce the amount of metal that is located adjacent the vertical segments 80 , 80 ′ of the tag coil 76 . Additional cutouts may also be located in the horizontally extending portions of the bracket 10 to further reduce interference between the bracket 10 and the coil 76 . The angling of the flanges 28 , 30 away from the body 26 also helps to reduce the detuning of the coil 76 .
- an alternate embodiment of the rail 102 shown in FIG. 7 includes a cover 90 that extends generally rearwardly from a top surface 88 of the rail 12 to block access to the rear surface 20 of the rail 12 .
- the cover 90 blocks customers from wrapping a hand around the top surface 88 of the rail 12 to provide leverage for pulling the rail 12 off the shelf edge 14 .
- the cover 90 also blocks debris and other matter from falling behind the back of the rail 102 .
- the rail 102 of FIG. 7 includes a body 120 having a front surface 122 and a rear surface 124 .
- An upper finger 126 extends from the top surface 88 of the body 120
- a lower finger 130 extends from the lower surface 132 of the body 120 .
- the fingers 126 , 130 are shaped and located to define a channel 131 that receives a tag 60 therein.
- An upper lip 110 extends generally rearwardly and downwardly from the rear surface 124 , and defines an upper slot 16 that receives the upper tangs 46 , 47 therein.
- a lower lip 112 extends generally rearwardly and upwardly from the rear surface 124 , and defines a lower slot 18 that receives the lower tangs 48 , 49 therein.
- the upper lip 110 and lower lip 112 extend downwardly and upwardly, respectively, along the rear surface 20 of the rail 102 for a significant distance, such that the lips 110 , 112 retain the upper tangs 46 , 47 and the lower tangs 48 , 49 of the bracket 10 therein.
- the lips 110 , 112 preferably extend a distance of about 0.100 to about 0.150 inches. In this manner, the bracket 10 may be received in the rail 102 without any other attachment methods such as heat staking, adhesives, or the like.
- the rail 102 includes a raised protrusion 116 , said as a dimple or a swedge, on either side of the bracket 10 .
- the protrusions 116 extend generally outwardly from the rear surface 124 of the rail 102 to limit the lateral sliding of the brackets 10 within the rail 102 . In this manner, the spacing of the brackets 10 is maintained to provide uniform support, and the fastener 40 is maintained in alignment with the hole 38 in the rail 102 to ensure access to the fastener 40 .
- FIG. 1 the embodiment shown in FIG.
- the rail 102 includes a pair of upper protrusions 123 that extends generally inwardly from the upper lip 110 and a pair of lower protrusions 125 that extend generally inwardly from the lower lip 112 .
- the set of upper protrusions are located on either side of the the tag 60 , as are the set of lower protrusions 125 .
- the upper 123 and lower 125 protrusions limit the lateral sliding of the bracket 10 in the rail.
- the protrusions 123 , 125 are preferably formed by swedging. Only a single pair of either upper 123 or lower 125 protrusion may be needed to block a single bracket 10 from sliding in the rail 102 , but both upper and lower sets are shown for illustrative purposes.
Abstract
Description
- The present invention is directed to a bracket for use in an article information display system, and more particularly, to a bracket for coupling a rail to a conventional shelf edge for use in an article information display system.
- Article information display systems are commonly used to provide variable information about various products. The system typically utilizes price tags having a variable display surface, such as an LCD (liquid crystal display) surface, to electronically display information about an associated, adjacent product. For example, price, price per unit weight, or other information may be displayed on the LCD display. A system controller controls the information displayed on a price tag. In this manner, the displayed information can be updated from a central location, and the controller can be coupled to the check-out scanners to ensure that the check-out price is consistent with the displayed price. Such article information display systems may be used in supermarkets, drug stores, grocery stores, hardware stores, auto parts stores, or other settings where variable article information is desired to be displayed.
- In order to install such a display system, an auxiliary rail that is designed to receive and interact with an electronic display tag is mounted to conventional store shelves. Existing store shelves are preferably retrofitted to receive the auxiliary rail thereon. The auxiliary rail includes a conductor loop running along its length, and the electronic tag includes a coil extending around its periphery. When the electronic tag is mounted with the auxiliary rail, the conductor in the rail communicates with the coil in the tag by inductive coupling to convey information from the controller to the tag.
- Various brackets and attachment means have been designed for attaching an auxiliary rail to an existing conventional shelf edge. For example, U.S. application Ser. No. 09/253,338 filed Feb. 19, 1999, hereby incorporated by reference, discloses various attachment brackets. The bracket of the present invention provides several advantages over the attachment methods disclosed therein.
- The present invention is a bracket that enables the installation of auxiliary rails and other components of an electronic display tag system onto conventional, preexisting store shelving assemblies. The bracket does not require any structural modification to preexisting shelving assemblies, is quickly and easily mounted to the shelf edge using conventional hand tools, and does not require removal of products from the shelves. The bracket also includes one or more rail receiving portions, such as grooves, to facilitate the attachment of the bracket to the rail, the grooves receiving melted portions of the rail when the rail is attached to the bracket by heat staking. Furthermore, the bracket of the present invention is shaped to reduce detuning of the electronic tags that are received in the rail, thereby improving the operating characteristics of the display system.
- In particular, the present invention is a bracket for coupling a rail having an upper slot and a lower slot to a shelf edge having an upper groove and a lower groove. The bracket comprises a central body portion, an upper flange extending generally upwardly from the body portion, a lower flange extending generally downwardly from the body portion, and a plate. The plate is received between the upper and the lower flanges such that as the plate is moved toward the body, the plate urges the upper flange and the lower flange into the upper and lower groove, respectively, to couple the bracket to the shelf edge. The bracket further comprises a first upper tang extending generally upwardly from the body portion and a first lower tang extending generally downwardly from the body portion, the upper tang and lower tang being shaped to be received in the upper and lower slot, respectively. At least one of the tangs has at least one rail receiving portion therein to facilitate the attachment of the bracket to the rail.
- The present invention is also directed to a rail for receiving an electronic display tag therein and for being coupled to a bracket. The rail comprises a central body having a front surface and a rear surface, an upper finger extending from the front surface, and a lower finger extending from the front surface and spaced from the upper finger. The upper finger and the lower finger define a channel to receive an electronic display tag therein. The rail further comprises an upper lip extending from the rear surface and defining an upper slot for receiving an upper tang of a bracket therein, the upper lip being shaped to maintain the upper tang in the upper slot. The rail further includes a lower lip extending from the rear surface and defining a lower slot for receiving a lower tang of the bracket therein, the lower lip being shaped to maintain the lower tang is the lower slot.
- Other objects and advantages of the present invention will be apparent from the following description, the accompanying drawings and the appended claims.
- FIG. 1 is an end view of one embodiment of the bracket of the present invention, shown mounted to a rail and a shelf edge;
- FIG. 2 is a perspective view of the bracket of FIG. 1;
- FIG. 3 is a front view of the bracket of FIG. 1;
- FIG. 4 is a perspective view of a rail coupled to a shelf edge;
- FIG. 5 is a side view of an alternate embodiment of the bracket of the present invention, shown with a rail, shelf edge, and display tag;
- FIG. 6 is a rear view of one embodiment of a rail of the present invention, with a plurality of brackets attached thereto; and
- FIG. 7 is a side view of the bracket of FIG. 5, shown with an alternate embodiment of the rail of the present invention, a shelf edge and a display tag.
- As shown in FIG. 1, the
bracket 10 of the present invention is used to couple arail 12 to aconventional shelf edge 14. Therail 12 includes anupper slot 16 and alower slot 18 along itsrear surface 20, and theshelf edge 14 includes anupper groove 22 and alower groove 24. Theupper slot 16 is defined by anupper lip 17, and the lower slot is defined by a lower lip 19. Thebracket 10 includes acentral body portion 26, and has anupper flange 28 extending generally rearwardly and upwardly from thebody portion 26 and alower flange 30 extending generally rearwardly and downwardly from thebody portion 26. Theflanges lower grooves bracket 10 to theshelf edge 14. Theupper flange 28 includes a slot 32 (FIG. 2) to provide flexibility to theupper flange 28. Aplate 34 is received between the upper 28 andlower flanges 30, and theplate 34 and thebody 26 each include ahole fastener 40 therethrough. Theplate 34 includes a pair ofend surfaces 42 that engage theflanges - As shown in FIGS.2-3, the
bracket 10 further includes first and secondupper tangs body 26, and first and secondlower tangs body 26. Thetangs bracket 10 to therail 12. A first vertically extendingarm 50 joins the firstupper tang 46 and the first lower tang 48 (FIG. 3), and a second vertically extendingarm 51 joins the secondupper tang 47 and the secondlower tang 49. - The
rail 12 is preferably made from plastic, and thebracket 10 is preferably formed of stainless steel or spring steel, although a wide variety of materials may be used, including non-metal materials. Therail 12 is preferably attached to thebracket 10 by heat staking, which entails heating therail 12 and/orbracket 10 until portions of therail 12 melt and conform around thebracket 10, and allowing the melted portions to cool and harden. As shown in FIGS. 1-2, eachtang more grooves 52 formed therein. During heat staking operations, portions of therail 12 surrounding thegrooves 52 tends to melt and flow into thegrooves 52 on thetangs rail 12 is firmly coupled to thebracket 10. Thegrooves 52 are preferably formed in anouter surface 56 of thetangs grooves 52 preferably extend about 2 mm into theouter surface 56. FIG. 6 illustrates an alternate embodiment of therail 102, and as shown in FIG. 6, a plurality ofbrackets 10 may be coupled to a single rail 102 (or a rail 12) in the above-described manner. However, it should be understood that only a single bracket may be sufficient to couple arail shelf edge 14. Thebracket 10 may also be attached to therail brackets 10 are preferably coupled to therail 12 before being shipped to the customer. In this manner, the preassembled rail/bracket combination reduces the installation time for the customer. - In order to couple the bracket/rail assembly to a
shelf edge 14, thebrackets 10 are placed loosely into theshelf edge 14 such that theupper flange 28 of eachbracket 10 is received in theupper groove 22 and thelower flange 30 is received in the lower groove 24 (FIG. 1). Thefastener 40 is then rotated to pull theplate 34 toward thebody 26 of the bracket 10 (indicated by arrow A). The end surfaces 42 on theplate 34 engage theflanges flanges grooves 22, 24 (indicated by arrows B and C) until they are fixed within thegrooves head 56 of thefastener 40 is preferably larger than thehole 38 in thebody 26 such that thehead 56 engages thebody 26 during tightening to provide an opposing force during movement of theplate 34 in the direction of arrow A. Ahole 58 is formed in therail 12 to provide access to thehead 56 of thefastener 40, and thehole 58 is larger than thehead 56 of thefastener 40 to allow the fastener to pass therethrough. After the rail/bracket combination is coupled to theshelf edge 14, the hole may be covered 58 with any acceptable piece of sheet-like material, preferably an adhesive material that matches the color of therail 12. A generally cylindrical plug may also be received into thehole 58. FIG. 4 illustrates arail 12 andshelf edge 14 after therail 12 is attached to theshelf edge 14. - In an alternate embodiment, the
bracket 10 is of a two piece construction wherein thetangs flanges flanges tangs bracket 10. The first piece and second pieces of material may be joined by a variety of conventional methods, including spot welding. - In yet another embodiment, the
bracket 10 may include one or more holes in thetangs rail 12 may flow through the holes formed in the tangs. Further alternately, dimpled or recessed portions may be formed in thetangs - As shown in FIG. 5, the shape of the upper46, 47 and
lower tangs rail 12 and adisplay tag 60. For example, the tangs may each include a generally horizontally extending section 62 and a generally vertically extendingsection 66 joined by anelbow 68 to vary the display angle. Thus, thebracket 10 of FIG. 5 may be used on an upper shelf edge to angle thetag 60 downwardly for easier viewing and access. Similarly, an oppositely-angled bracket may be used to angle a rail and tag upwardly for use on a lower shelf edge. In the embodiment of FIG. 5, the end surfaces 42 of theplate 34 are both tapered to engage theflanges - As shown in FIG. 5, the
rail 12 includes upper 72 and lower 70 channels for receiving aconductor 74 therein. Therail 12 receives adisplay tag 60 therein, and thetag 60 has acoil 76 extending around its periphery. Theconductor 74 is used to transmit information and power to thecoil 76 of thedisplay tag 60 by means of inductive coupling. Thecoil 76 is electrically coupled to a capacitor, and thecoil 76 and the capacitor are selected to resonate at a certain frequency, such as 50 kHz. It is known that the presence of conductive materials, such as metals, near thecoil 76 may induce eddy currents in thecoil 76, which may change the inductance of thecoil 76. Thus, because thebracket 10 is preferably formed of metal, too much metal of thebracket 10 adjacent to thecoil 76 can reduce the power delivered to the tag at the resonant frequency (i.e., “detune” the tag). - Accordingly, the
bracket 10 is sized such that both of thevertical arms coil 76 at any one time. For example, FIG. 3 illustrates thecoil 76 of thetag 60 superimposed in hidden lines over thebracket 10, thecoil 76 having a pair of vertically-extendingsegments vertical arms bracket 10 are located such that if one of thevertical arms 50 is superimposed over one of the vertically-extendingsegments 80 of thecoil 76, the othervertical arm 51 is not superimposed over the other vertically-extendingsegment 80′ of thecoil 76. In the illustrated embodiment, the horizontal distance D between thevertical arms vertical segments tag coil 76 for thesmallest tag 60 that is expected to be used in the system. In this manner, both of thearms vertical segments coil 76, which helps to minimize detuning of the system. Thevertical arms cutout 84 to reduce the amount of metal that is located adjacent thevertical segments tag coil 76. Additional cutouts may also be located in the horizontally extending portions of thebracket 10 to further reduce interference between thebracket 10 and thecoil 76. The angling of theflanges body 26 also helps to reduce the detuning of thecoil 76. - When the
rail 12 is mounted to theshelf edge 14, it may be desired to provide a protective structure to prevent anyone from grabbing thetop surface 88 of therail 12 and pulling therail 12 off the shelf edge 44 orbracket 10. Accordingly, an alternate embodiment of therail 102 shown in FIG. 7 includes acover 90 that extends generally rearwardly from atop surface 88 of therail 12 to block access to therear surface 20 of therail 12. Thecover 90 blocks customers from wrapping a hand around thetop surface 88 of therail 12 to provide leverage for pulling therail 12 off theshelf edge 14. Thecover 90 also blocks debris and other matter from falling behind the back of therail 102. - The
rail 102 of FIG. 7 includes a body 120 having afront surface 122 and arear surface 124. Anupper finger 126 extends from thetop surface 88 of the body 120, and alower finger 130 extends from thelower surface 132 of the body 120. Thefingers channel 131 that receives atag 60 therein. An upper lip 110 extends generally rearwardly and downwardly from therear surface 124, and defines anupper slot 16 that receives theupper tangs lower lip 112 extends generally rearwardly and upwardly from therear surface 124, and defines alower slot 18 that receives thelower tangs lower lip 112 extend downwardly and upwardly, respectively, along therear surface 20 of therail 102 for a significant distance, such that thelips 110, 112 retain theupper tangs lower tangs bracket 10 therein. Thelips 110, 112, preferably extend a distance of about 0.100 to about 0.150 inches. In this manner, thebracket 10 may be received in therail 102 without any other attachment methods such as heat staking, adhesives, or the like. - As shown in FIG. 6, the
rail 102 includes a raisedprotrusion 116, said as a dimple or a swedge, on either side of thebracket 10. Theprotrusions 116 extend generally outwardly from therear surface 124 of therail 102 to limit the lateral sliding of thebrackets 10 within therail 102. In this manner, the spacing of thebrackets 10 is maintained to provide uniform support, and thefastener 40 is maintained in alignment with thehole 38 in therail 102 to ensure access to thefastener 40. In the embodiment shown in FIG. 7, therail 102 includes a pair ofupper protrusions 123 that extends generally inwardly from the upper lip 110 and a pair oflower protrusions 125 that extend generally inwardly from thelower lip 112. The set of upper protrusions are located on either side of the thetag 60, as are the set oflower protrusions 125. The upper 123 and lower 125 protrusions limit the lateral sliding of thebracket 10 in the rail. Theprotrusions single bracket 10 from sliding in therail 102, but both upper and lower sets are shown for illustrative purposes. - While the forms of the apparatus herein constitute a preferred embodiment of the invention, the present invention is not limited to the precise forms described herein, and changes may be made therein without departing from the scope of the invention.
Claims (41)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US09/302,650 US6409132B2 (en) | 1999-04-30 | 1999-04-30 | Attachment bracket for a rail |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US09/302,650 US6409132B2 (en) | 1999-04-30 | 1999-04-30 | Attachment bracket for a rail |
Publications (2)
Publication Number | Publication Date |
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US20010048057A1 true US20010048057A1 (en) | 2001-12-06 |
US6409132B2 US6409132B2 (en) | 2002-06-25 |
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Application Number | Title | Priority Date | Filing Date |
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US09/302,650 Expired - Lifetime US6409132B2 (en) | 1999-04-30 | 1999-04-30 | Attachment bracket for a rail |
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US (1) | US6409132B2 (en) |
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US20090019743A1 (en) * | 2007-07-19 | 2009-01-22 | Long Van Nguyen | Behind c-channel shelf attachment mechanism |
US20100049635A1 (en) * | 2008-08-21 | 2010-02-25 | Delaney Kevin C | Product storage and retrieval system |
US9043234B2 (en) | 2008-08-21 | 2015-05-26 | Maxor National Pharmacy Services Corp. | Modular hangers for product storage and retrieval system |
US9619777B2 (en) | 2008-08-21 | 2017-04-11 | Maxor National Pharmacy Services Corp. | Modular hangers for product storage and retrieval system |
US10275700B2 (en) * | 2017-08-23 | 2019-04-30 | Beijing Good Fortune Innovative Intelligence Technology Co. Ltd | Electronic tag device for rail traffic concrete prefabricated parts and using method thereof |
WO2020249251A1 (en) * | 2019-06-14 | 2020-12-17 | Ses-Imagotag Gmbh | Electronic shelf labelling system with a shelf edge strip sub-system |
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