EP1101231A1 - Elektrischer schalter - Google Patents
Elektrischer schalterInfo
- Publication number
- EP1101231A1 EP1101231A1 EP99963151A EP99963151A EP1101231A1 EP 1101231 A1 EP1101231 A1 EP 1101231A1 EP 99963151 A EP99963151 A EP 99963151A EP 99963151 A EP99963151 A EP 99963151A EP 1101231 A1 EP1101231 A1 EP 1101231A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spring
- carriage
- switching
- slide
- contact
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H15/00—Switches having rectilinearly-movable operating part or parts adapted for actuation in opposite directions, e.g. slide switch
- H01H15/02—Details
- H01H15/06—Movable parts; Contacts mounted thereon
- H01H15/16—Driving mechanisms
- H01H15/18—Driving mechanisms acting with snap action
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
- H01H19/60—Angularly-movable actuating part carrying no contacts
- H01H19/635—Contacts actuated by rectilinearly-movable member linked to operating part, e.g. by pin and slot
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
- H01H2300/046—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H using snap closing mechanisms
- H01H2300/048—Snap closing by latched movable contact, wherein the movable contact is held in a minimal distance from the fixed contact during first phase of closing sequence in which a closing spring is charged
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/06—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
Definitions
- On-position initially takes place gradually as the * switching contact approaches the fixed contact. Once the switching point has been overcome, the remaining distance between the switching contact and the fixed contact is covered with a snapping movement of the carriage. Since the snapping movement only takes place when covering this short distance, contact bouncing is largely ruled out. Further configurations of the invention are the subject matter of the dependent claims.
- the elastic means is particularly preferred to form the elastic means as a combination of the first spring and another second spring located on the carriage.
- the second spring When the carriage moves, the second spring generates an additional spring force, with the additional spring force acting counter to the direction of movement of the carriage up to the switchover point and in the direction of movement of the carriage when the switchover point is overcome, so that the second spring is thus supportive of the snapping movement of the carriage.
- the carriage When switching from the on to the off position, the carriage initially remains immobile and the switching contact remains in contact with the fixed contact until the switching point is reached. When the switching point is overcome, the switching contact is suddenly separated from the fixed contact by the snapping movement of the carriage, so that any arcing that may occur is extinguished immediately. Destruction of the contacts, especially in DC operation, is thus effectively counteracted.
- the second spring can be designed as a compression spring.
- this compression spring is tensioned during the generation of the pressure point until the switching point is reached, so that a restoring force acts against the direction of movement of the carriage.
- the switchover point is overcome, the compression spring relaxes, with a force acting in the direction of movement of the carriage.
- the manual actuation can be transferred from the actuating element to the contact system by means of a slide.
- the slide is operatively connected to both the carriage and the actuating member by the action of the second spring.
- the slider is movably arranged in a guide on the carriage. Two lugs associated with the carriage are located on the slide, with the lugs interacting with the guide on the one hand and one lug each acting on one end of the second spring on the other.
- a receptacle in the form of a rectangular chamber for the second spring is located on the carriage.
- the guide for the slider connects to the mount on both sides.
- the receptacle has openings for guidance, such that the respective attachment located on the slider can be inserted into the receptacle to act on the associated end of the second spring.
- a stop * can be arranged at the base on the slide, with this stop interacting with a corresponding stop on the receptacle, for example with the chamber wall located at the transition between the guide and the receptacle.
- there is play between the two corresponding stops such that when the slide is actuated, the second spring is first acted upon and, after overcoming the play of movement, the carriage can be moved from one position towards the other position by means of the associated corresponding projections.
- This play of movement supports the sequence of movements when switching, in particular with regard to the snapping movement and the sudden contact separation when switching from the on to the off position.
- the first spring is designed as a leaf spring with a resilient leg.
- the leaf spring is arranged approximately parallel to the plane of movement of the carriage.
- An approximately V-shaped cam is located at the end of the resilient leg, with the V-shaped cam interacting with a corresponding attachment of the switching point link located on an inner wall of the housing for the switch.
- the leaf spring is expediently designed in the shape of a bow with two resilient legs in the manner of a U.
- a support for the leaf spring is arranged on the carriage, the support being at the opposite end of a part of the guide from the socket.
- a further third spring which is designed as a compression spring, can be arranged on the slide.
- One end of the third spring rests against a slide-fixed stop and the other end of the third spring against a housing-fixed stop.
- a restoring force is effective when the slide is actuated, this restoring force also serving to reset the actuating member as soon as the manual action on the actuating member has ended.
- a type of rectangular chamber can be located on the slide to accommodate the third spring. Then it makes sense that the slide-fixed stop is formed by a wall of the chamber, while the housing-fixed stop protrudes into the chamber.
- the switching contact itself is also provided with a compression spring, so that in the on position the switching contact can be applied to the fixed contact by means of spring pressure.
- the first and second springs are located on one side of the carriage, while the switching contact with its compression spring is arranged on the opposite, other side of the carriage.
- the first and second springs are located on the side of the slide facing the slide, and the switching contact with its compression spring is located on the side of the slide facing away from the slide.
- the first spring should have a spring constant such that that exerted at the switching point - 7 -
- Spring force of the first spring is at least as large as the sum of the spring forces exerted by the compression springs on all switching contacts. This ensures instantaneous contact separation at the switching point when switching from the on to the off position. Furthermore, it is expedient to form the base of the switching point setting asymmetrically with flanks of different gradients. The steeper flank faces the off position and the flatter flank faces the on position. This ensures, on the one hand, that when switching from the off to the on position, the already mentioned creeping contact approach takes place until the switching point is reached. On the other hand, it is also ensured that, in cooperation with the force of the compression spring on the switching contact, a contact separation when switching from the on to the off position before the switching point is reached is excluded.
- the advantages achieved by the invention are, in particular, that bouncing of the contacts when switching from the off to the setting is largely avoided.
- the contacts When switching back from the on to the off position, the contacts open quickly and abruptly, which reduces contact wear. In this way, the contact service life is extended compared to previous switches.
- the switch according to the invention is therefore also suitable for switching large switching capacities.
- the moving parts of the switch have less friction than before. As a result, there is less wear and the service life of the switch is further increased.
- the switch according to the invention also has a smaller hysteresis between the on and the off position than the previous switch. This gives the user a smoother shift feel.
- the switch has a small number of parts, which are simple and inexpensive parts.
- the switch is easy to install.
- the switch according to the invention can therefore be produced inexpensively.
- Fig. 2 shows the underside of the carriage of the switch as an individual part
- 3 shows a longitudinal section along the line 3-3 from* FIG. 1 through the switch
- Fig. 4 is a section along line 4-4 of Fig. 3;
- FIG. 5 shows the switch in the off position according to a view as in FIG.
- FIG. 6 shows the switch as in FIG. 5 in the on position
- Fig. 7 shows the switch as in Fig. 5 during the
- Fig. 8 shows the switch as in Fig. 5 during the
- an electrical switch 1 can be seen in a schematic exploded view, which is used in power tools.
- the power tools can be drills, angle grinders or the like.
- the switch 1 is suitable for powerful electric tools that are operated with direct current.
- the switch 1 has a housing consisting of a base 3 and a cover 4 2.
- a base 3 is at least - 10 -
- a fixed contact 5 arranged. Present are a total of vie? Fixed contacts 5 arranged so that two current paths can be connected to the switch 1. The fixed contacts 5 are located on electrical connections 6 with which the leads in the power tool to the electrical switch 1 can be connected. In the housing 2 there is a carriage 7, on the underside of which, visible in FIG. 2, at least one switching contact 8 is arranged. In the present case, the switch 1 has two switching contacts 8 for the two current paths.
- An actuating member 9 is arranged on the cover 3 of the switch 1, with the aid of which the carriage 7 can be moved between two positions. In one position, namely the first position or off position shown in FIG. 5, the switching contact 8 is removed from the fixed contact 5, so that the switch 1 is switched off. In the other position, namely the second position or setting shown in FIG. 6, the switching contact 8 rests against the fixed contact 5, with which the switch 1 is switched on. As can be seen clearly in FIG. 6, it is preferable to design the switching contact 8 in the manner of a contact bridge which bridges two associated fixed contacts 5 in the second position.
- An elastic means which is designed as a first spring 10 arranged on the carriage 7 in the manner of a pressure point spring, interacts with the carriage 7 .
- a switching point backdrop 11 In the cover 4 there is a switching point backdrop 11, as can be seen in more detail in FIG.
- the first spring 10 now acts on the movement of the carriage 7 caused by actuation of the actuating member 9 with the relative to the carriage 7 fixed - 11 -
- Switching point backdrop 11 in the sense of a pressure point generation * together in such a way that a spring force is effective against the direction of movement of the carriage 7 up to the switching point reached when the pressure point is overcome. After the switching point has been overcome, the stored spring energy of the first spring 10 is released, so that the carriage 7 can be switched between the two positions with a kind of snapping movement.
- a further, second spring 12 is arranged on the carriage 7 and generates an additional spring force when the carriage 7 is switched over or moved.
- This additional spring force acts against the direction of movement of the carriage 7 up to the switching point.
- this additional spring force then acts in the direction of movement of the carriage 7. This supports the snapping movement of the carriage 7.
- the second spring 12 is designed as a compression spring. When switching over or when moving the carriage 7 from one position, the second spring 12 is tensioned during the generation of the pressure point until the switching point is reached. As a result, a restoring force acts against the - 12 -
- a slide 13 is used to transmit the actuation of the actuating member 9 to the carriage 7 , the slide 13 being in operative connection with the actuating member 9 in order to act on the second spring 12 .
- the slider 13 is movably arranged in a guide 14 on the carriage 7 .
- the projections 15, 15' interact with the guide 14, so that the slider 13 is guided in the direction of movement of the carriage 7. In each case one projection 15, 15' acts on one end of the second spring 12.
- the receptacle 16 is designed in the manner of a rectangular chamber.
- the guide 14 for the slide 13 connects to the receptacle 16 on both sides.
- the receptacle 16 has openings 17 on both sides for the guide 14, so that the respective projection 15, 15' located on the slide 13 can be inserted into the receptacle 16 to act on the associated end of the second spring 12.
- a stop 18, 18' is arranged on the slide 13, specifically one stop 18, 18' on each projection 15, 15'.
- the stop 18, 18' interacts with a corresponding stop 19, 19' on the receptacle 16.
- the stop 19, 19' can be the chamber wall located at the transition between the guide 14 and the receptacle 16. There is play between the two corresponding stops 18, 19 and 18', 19', such that when the slide 13 is actuated, the second spring 12 is first acted on and only after the play of movement has been overcome does the carriage 7 move from one position to Direction to the other position is movable.
- the first spring 10 is designed as a leaf spring with a resilient leg 20, as can be seen in more detail in FIG.
- the leaf spring 10 is arranged approximately parallel to the plane of movement of the carriage 7 .
- a roughly V-shaped cam 21 is located at the end of the resilient leg 20 .
- the V-shaped cam 21 interacts with a corresponding projection 22 on the switching point gate 11 .
- the projection 22 is located on an inner wall of the housing 2 for the switch 1 and that on the cover 4.
- the leaf spring 10 is preferably U-shaped with two resilient legs 20, 20'. Each resilient leg 20, 20' interacts with a switching point link 11, 11' on the two opposite inner walls of the housing 2.
- a holder 23 for the leaf spring 10 is arranged on the carriage 7 for attachment.
- Bracket 23 is located at the end of a portion of guide 14 opposite receptacle 16 . This allows the base of the U-shaped leaf spring 10 to be inserted into the holder 23 .
- a further third spring 24 which can be seen in FIG. 3 and is designed as a compression spring, can be arranged on the slide 13.
- One end of the third spring 24 rests against a slide-fixed stop 25 and the other end of the third spring 24 against a stop 26 fixed to the housing.
- a restoring force becomes effective when the slide 13 is actuated.
- a type of rectangular chamber 27, shown in FIG. The stop 26 fixed to the housing is fastened to the cover 4 and protrudes into the chamber 27, as can again be seen in FIG.
- the switching contact 8 is provided with a compression spring 28 .
- the switching contact 8 can be applied to the fixed contact 5 by means of spring pressure. While the first spring 10 and the second spring 12 are located on one side of the carriage 7, namely on the side of the carriage 7 facing the slide 13, the switching contact 8 together with the compression spring 28 is on the opposite other side of the carriage 7, specifically arranged on the side of the carriage 7 facing away from the slide 13 . - 15 -
- the first spring 10 is preferably selected with such a spring constant that the spring force of the first spring 10 exerted at the switching point is at least as great as the sum of the spring forces exerted by the compression springs 28 on all switching contacts 8 .
- the extension 22 of the switching point gate 11, 11' is designed asymmetrically.
- the flat flank 29 faces the first position shown in FIG. 5, in which the switching contact 8 is removed from the fixed contact 5 .
- the steep flank 29' faces the position shown in FIG.
- the actuating member 9 is manually actuated by the user to switch it on.
- the slider 13 acts with its approach 15 first on the left end of the second spring 12, which is tensioned.
- the stop 18 on the attachment 15 engages the corresponding stop 19 of the receptacle 16 and moves the carriage 7 to the right in the direction of the on position. Due to the flat flank 29 (see FIG. 4) and the opposite spring force of the first spring 10, this movement takes place gradually until the switching point is reached, as can be seen in FIG. After the switching point has been exceeded, the energy stored in the first and second springs 10, 12 is suddenly released and the slide 7 is moved - 16 -
- the invention is not limited to the embodiment described and illustrated. Rather, it also includes all professional developments within the scope of the inventive idea.
- the switch according to the invention can not only be used in power tools, but can also be used in electrical gardening equipment, electrical household appliances or the like.
- the invention relates to an electric switch (1) which can, in particular, be used in electric tools such as drills, angle grinders or the like.
- the switch (1) comprises an operating element (9), at least one flxed contact (5) and at least one switching contact.
- the switching contact is arranged on a slide (7) which can be moved between two positions by the operating element (9). In one position, the switching contact is removed from the fixed contact (5), and in the other position, the switching contact rests on the fixed contact (5).
- An elastic means interacts with the slide (7) so that the slide (7) can be shifted between both positions with a snap movement.
- the elastic means is constructed as a first spring (10), said spring being arranged on the slide (7), in the manner of a pressure point spring.
- the first spring (10) interacts with a switching point connecting member to produce a pressure point, said member being stationary in relation to the slide (7).
- the spring interacts with said switching point connecting member in such a way that a spring force contrary to a direction of movement of the slide (7) is effective up to the change-over point which is reached when the pressure point is exceeded.
- the invention relates to an electrical switch (1), which is used in particular in power tools such as drills, angle grinders or the like. is usable.
- the switch (1) has an actuating member (9), at least one fixed contact (5) and at least one switching contact.
- the switching contact is arranged on a carriage (7) which can be moved between two positions by means of the actuating member (9). In one position the switching contact is away from the fixed contact (5) and in the other position the switching contact is on the fixed contact (5).
- An elastic means interacts with the carriage (7), so that the carriage (7) can be switched between the two positions with a kind of snapping movement.
- the elastic means is designed as a first spring (10) arranged on the carriage (7) in the manner of a pressure point spring.
- the first spring (10) interacts with a switching point gate that is fixed relative to the carriage (7) in order to generate a pressure point in such a way that a spring force is exerted counter to the direction of movement of the carriage (7) up to the point when the pressure point is overcome switching point is effective.
- the elastic means is designed as a first spring (10) arranged on the carriage (7) in the manner of a pressure point spring, and in that the first spring (10 ) during movement of the carriage (7) with a relative to the carriage (7) fixed switching point setting (11, 11 ') in the sense of a
- Pressure point generation interacts in such a way that a spring force is effective counter to the direction of movement of the carriage (7) up to the switching point reached when the pressure point is overcome.
- the second spring (12) is designed as a compression spring, and that preferably the second spring (12) is tensioned when switching from one position during the pressure point generation until the switching point is reached, such that a restoring force acts against the direction of movement of the carriage (7), and when the switchover point is overcome, the second spring (12) relaxes so that a force acts in the direction of movement of the carriage (7).
- the carriage (7) has a receptacle (16), in particular in the manner of a rectangular chamber, for the second spring (12) that is preferably located on both sides of the guide (14) for the slide (13).
- the receptacle (16) adjoins, and that more preferably the receptacle (16) has openings (17) on both sides for the guide (14), such that the respective projection (15, 15') located on the slide (13) can act on the associated End of the second spring (12) can be inserted into the receptacle (16).
- a stop (18, 18'), in particular a stop (18, 18') is arranged on each extension (15, 15') on the slide (13), the stop (18, 18' ) cooperates with a corresponding stop (19, 19') on the seat (16), the corresponding stop (19, 19') being in particular the one located at the transition between the guide (14) and the seat (16). chamber wall, and that there is preferably a play of movement between the two corresponding stops (18, 19, 18', 19') such that when the slide (13) is actuated, the second spring (12) is first acted on and then after overcoming it the movement of the carriage (7) is movable from one position towards the other position.
- the first spring (10) as leaf spring is formed with a resilient leg (20): that preferably the leaf spring (10) is arranged approximately parallel to the plane of movement of the carriage (7), that more preferably an approximately V-shaped cam (21) at the end of the resilient leg ( 20) is located, and that even more preferably the V-shaped cam (21) interacts with a corresponding projection (22) on the switching point link (11), with the projection (22) in particular being on an inner wall of the housing (2) for the Switch (1) is located.
- the leaf spring (10) is U-shaped with two resilient legs (20, 20'), in particular in the manner of a U, with each resilient leg (20, 20') interacts with a switching point link (11, 11') on the two opposite inner walls of the housing (2), and that more preferably a holder (23) for the leaf spring (10) is arranged on the carriage (7), with even more preferably the Holder (23) is located at the end of a part of the guide (14) opposite the receptacle (16), so that in particular the base of the U-shaped leaf spring (10) is inserted into the holder (23).
- a further third spring (24) which is in particular designed as a compression spring, is arranged on the slide (13), preferably one end of the third spring (24).
- a slider fixed stop (25) and the other end of the third spring (24) rests against a stop (26) fixed to the housing, in such a way that a restoring force is effective when the slide (13) is actuated, and that more preferably a kind of rectangular chamber (27) on the slide (13) for receiving of the third spring (24), in particular the slide-fixed stop (25) being formed by a wall of the chamber (27) and the housing-fixed stop (26) protruding into the chamber (27).
- the switching contact (8) is provided with a compression spring (28) so that the switching contact (8) can be applied to the fixed contact (5) by means of spring pressure, and that preferably the first spring (10) and second spring ( 12) on one side of the carriage (7) and the switching contact (8) on the opposite other side of the carriage (7), in particular the first and second springs (10, 12) on the side of the carriage facing the slide (13). (7) and the switching contact (8) on the slide (13) facing away from the carriage (7), are located.
- the first spring (10) has such a spring constant that the spring force of the first spring (10) exerted at the switching point is at least as great as the sum of the spring forces exerted by the compression springs
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833296 | 1998-07-24 | ||
DE19833296 | 1998-07-24 | ||
PCT/DE1999/002151 WO2000007201A1 (de) | 1998-07-24 | 1999-07-09 | Elektrischer schalter |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1101231A1 true EP1101231A1 (de) | 2001-05-23 |
EP1101231B1 EP1101231B1 (de) | 2002-04-10 |
Family
ID=7875136
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99963151A Expired - Lifetime EP1101231B1 (de) | 1998-07-24 | 1999-07-09 | Elektrischer schalter |
Country Status (7)
Country | Link |
---|---|
US (1) | US6469268B1 (de) |
EP (1) | EP1101231B1 (de) |
JP (1) | JP4424853B2 (de) |
CN (1) | CN1123024C (de) |
DE (2) | DE19930558A1 (de) |
ES (1) | ES2176041T3 (de) |
WO (1) | WO2000007201A1 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10026156A1 (de) * | 1999-06-17 | 2001-01-04 | Marquardt Gmbh | Elektrischer Schalter |
CN1207741C (zh) | 2000-01-22 | 2005-06-22 | 马尔夸特有限公司 | 电气开关 |
US7410405B2 (en) * | 2001-02-02 | 2008-08-12 | Jakks Pacific, Inc. | Amusement device and method |
DE10217450B4 (de) * | 2001-04-19 | 2012-10-31 | Marquardt Gmbh | Elektrischer Schalter |
DE10217406B4 (de) * | 2001-04-19 | 2014-05-15 | Marquardt Gmbh | Elektrischer Schalter |
JP4063528B2 (ja) | 2001-11-27 | 2008-03-19 | 佐鳥エス・テック株式会社 | スイッチの接触機構 |
CA2397024C (en) * | 2002-08-07 | 2008-02-19 | Edward M. Turley | Switch mechanism for reversible grinder |
US7705260B2 (en) | 2005-04-18 | 2010-04-27 | Xinsheng Xu | Switch assembly |
ES2273599B1 (es) | 2005-10-14 | 2008-06-01 | Universidad De Barcelona | Compuestos para el tratamiento de la fibrilacion auricular. |
US7186940B1 (en) * | 2005-11-01 | 2007-03-06 | Defond Components Limited | Electrical switch |
CN101379578B (zh) * | 2006-02-10 | 2012-07-18 | 马夸特有限责任公司 | 用于电气设备的电开关 |
EP1936645B1 (de) | 2006-12-21 | 2013-07-03 | Defond Components Limited | Schutzschalter, der eine Schnappanschaltung und -abschaltung zwischen elektrischen Kontakten erzeugt |
DE102010004967A1 (de) | 2009-01-21 | 2010-07-22 | Marquardt Gmbh | Elektrischer Schalter |
US8049128B1 (en) * | 2009-03-09 | 2011-11-01 | Witt Daniel D | Power hand tool switch torque controller apparatus |
DE102011017453A1 (de) | 2010-04-21 | 2011-10-27 | Marquardt Verwaltungs-Gmbh | Elektrischer Schalter |
US8872049B2 (en) | 2012-04-18 | 2014-10-28 | Milwaukee Electric Tool Corporation | Trigger lock-on lock-off mechanism |
CN103268833B (zh) * | 2013-04-03 | 2015-05-27 | 张家港华捷电子有限公司 | 电动开关 |
DE102013221915A1 (de) * | 2013-10-29 | 2015-04-30 | Robert Bosch Gmbh | Netzbetriebene Handwerkzeugmaschine |
EP3101671B1 (de) * | 2015-06-04 | 2019-02-20 | Satori Electric Co., Ltd. | Schalter |
JP6577830B2 (ja) * | 2015-10-28 | 2019-09-18 | 株式会社マキタ | 電動工具 |
CN112466697A (zh) * | 2020-11-27 | 2021-03-09 | 科都电气股份有限公司 | 一种电开关 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
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DE1285593B (de) * | 1967-05-05 | 1968-12-19 | Schadow Rudolf | Elektrischer Schiebeschalter mit umschnappbarem Kontaktschwenkarm |
US3536973A (en) * | 1968-02-01 | 1970-10-27 | Lucerne Products Inc | Switch and speed control for electric motor |
US3777092A (en) * | 1972-07-19 | 1973-12-04 | Arrow Hart Inc | Trigger operated actuating mechanism for an electric switch with integrally molded fulcrum and snap-on connecting means associated with the trigger |
US3755640A (en) * | 1972-07-27 | 1973-08-28 | Skie Corp | Reversing switch for a power tool with separate selectively movable contact carriers |
US3961146A (en) * | 1974-10-09 | 1976-06-01 | Cutler-Hammer, Inc. | Pretravel switch for portable tools |
US4061895A (en) | 1976-01-21 | 1977-12-06 | Cutler-Hammer, Inc. | Higher rated double-pole trigger switch |
US4121069A (en) * | 1976-08-19 | 1978-10-17 | Cutler-Hammer, Inc. | Snap-action electric switch with fulcrum means for limited contact sliding and positive-off torque |
US4149053A (en) * | 1976-10-26 | 1979-04-10 | Cutler-Hammer, Inc. | Safety disconnect electric switch |
DE3126816A1 (de) * | 1981-07-08 | 1983-01-27 | Marquardt Gmbh, 7201 Rietheim-Weilheim | "elektrischer schalter" |
DE3338244A1 (de) * | 1983-10-21 | 1985-05-15 | K.A. Schmersal Gmbh & Co, 5600 Wuppertal | Elektrischer schnappschalter |
US5075604A (en) * | 1990-07-27 | 1991-12-24 | Milwaukee Electric Tool Corporation | Variable resistance switch |
US5380971A (en) * | 1992-11-09 | 1995-01-10 | Lucerne Products, Inc. | Dynamic brake switch for motor |
-
1999
- 1999-07-02 DE DE19930558A patent/DE19930558A1/de not_active Withdrawn
- 1999-07-09 EP EP99963151A patent/EP1101231B1/de not_active Expired - Lifetime
- 1999-07-09 DE DE59901210T patent/DE59901210D1/de not_active Expired - Lifetime
- 1999-07-09 ES ES99963151T patent/ES2176041T3/es not_active Expired - Lifetime
- 1999-07-09 WO PCT/DE1999/002151 patent/WO2000007201A1/de active IP Right Grant
- 1999-07-09 JP JP2000562917A patent/JP4424853B2/ja not_active Expired - Lifetime
- 1999-07-09 CN CN99808900A patent/CN1123024C/zh not_active Expired - Lifetime
- 1999-07-09 US US09/744,390 patent/US6469268B1/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO0007201A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP4424853B2 (ja) | 2010-03-03 |
EP1101231B1 (de) | 2002-04-10 |
DE59901210D1 (de) | 2002-05-16 |
WO2000007201A1 (de) | 2000-02-10 |
CN1310850A (zh) | 2001-08-29 |
US6469268B1 (en) | 2002-10-22 |
DE19930558A1 (de) | 2000-01-27 |
CN1123024C (zh) | 2003-10-01 |
JP2002521800A (ja) | 2002-07-16 |
ES2176041T3 (es) | 2002-11-16 |
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