EP2101340B1 - Commutateur électrique, notamment commutateur d'outil électrique - Google Patents

Commutateur électrique, notamment commutateur d'outil électrique Download PDF

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Publication number
EP2101340B1
EP2101340B1 EP20090003524 EP09003524A EP2101340B1 EP 2101340 B1 EP2101340 B1 EP 2101340B1 EP 20090003524 EP20090003524 EP 20090003524 EP 09003524 A EP09003524 A EP 09003524A EP 2101340 B1 EP2101340 B1 EP 2101340B1
Authority
EP
European Patent Office
Prior art keywords
actuating member
actuating
locking
stop
switch
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.)
Active
Application number
EP20090003524
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German (de)
English (en)
Other versions
EP2101340A1 (fr
Inventor
Frank Hacke
Christian Gabriel
Gerhard Niklewski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marquardt GmbH
Original Assignee
Marquardt GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Marquardt GmbH filed Critical Marquardt GmbH
Publication of EP2101340A1 publication Critical patent/EP2101340A1/fr
Application granted granted Critical
Publication of EP2101340B1 publication Critical patent/EP2101340B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/20—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch wherein an auxiliary movement thereof, or of an attachment thereto, is necessary before the main movement is possible or effective, e.g. for unlatching, for coupling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/04—Cases; Covers
    • H01H21/10—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch
    • 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
    • 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
    • H01H2009/065—Battery operated hand tools in which the battery and the switch are directly connected
    • 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
    • H01H2300/024—Avoid unwanted operation

Definitions

  • the invention relates to an electrical switch according to the preamble of patent claim 1.
  • Such electrical switches find especially for an electric hand tool with an electric motor, such as for a cordless and / or power tool, use.
  • These power tools may be drills, grinders, saws, planers, angle grinders, or the like.
  • an electrical switch with a housing for a power tool is known.
  • the housing contains a contact system.
  • An actuator disposed on the housing is movable between an output and an end position.
  • the actuator acts in the end position switching on the contact system.
  • the switch can be provided with a switch-lock for the actuator in the starting position and / or with a locking device for the actuator in the end position.
  • the switch-on and / or the locking comprises an actuating element and in each case one cooperating with the actuating element blocking element, which may be arranged on the housing.
  • the switch can be provided with the following functions, namely switch with a lock, switch with a switch-lock or switch "normal”, ie a switch equipped with neither lock nor lock.
  • switch with a lock switch with a switch-lock or switch "normal”
  • switch equipped with neither lock nor lock because the blocking element for these functions is designed differently, different housings are required in conventional switches.
  • different tools or tool change inserts have previously been used for the production of the housing, each with such a blocking element by injection molding.
  • Another electrical switch for a power tool is from the DE 199 62 002 A1 known.
  • This switch has a housing which includes a base and a lid, and a switch-lock and a lock for the actuator.
  • the switch-lock and the lock have an actuating element and cooperating with the actuating element blocking element.
  • the blocking element is designed such that an optional cooperation with the actuating element for the switch-on lock in the initial position of the actuating member and / or for the locking in the end position of the actuating member is made possible
  • the shows GB 2 363 520 A a power tool with an electrical switch, on which acts in the power tool housing pivotally mounted actuator.
  • the actuating member has a pivotable actuating element, which cooperates with a stop in the power tool housing as a switch-on lock for the actuator in its initial position.
  • the actuator cooperates with a arranged in the power tool housing lock for the end position of the actuator.
  • a power tool with an electrical switch shown, on which acts in the power tool housing pivotally mounted actuator.
  • a movable locking element which cooperates with the actuator as Einschaltsperre and locking.
  • the blocking element is in turn movable by a arranged on the power tool housing actuator for the switch-lock and locking.
  • the invention has for its object to further develop the switch so that the housing can be used simultaneously for the switch normal and / or switch with locking and / or switch with switch-lock.
  • the blocking element is arranged on the cover, namely approximately perpendicular to the lid projecting.
  • the blocking element is configured in approximately U-shaped with a passage limited by walls.
  • the blocking element further comprises, in a simple embodiment, a stop on a leg of the U for the switch-on.
  • the blocking element on a backdrop for the lock on.
  • the housing is thus suitable either for receiving the switch-lock or the lock or without switch-lock / lock.
  • the blocking element is arranged on the housing such that the locking element is immersed in movement of the actuating member in the end position in a recess in the actuating member, without obstruction of the actuating member.
  • the actuating member is hollow at the corresponding point inside and comprises the locking element in the end position, which contributes to the compactness of the switch.
  • the housing may conventionally include a socket in which the contact system is received and a cover.
  • the actuator is movable, for example, pivotally mounted on the cover.
  • the simple operability half by the user as well as in terms of compactness the actuator may be located on the actuator, in particular, the actuator is movably mounted on the actuator.
  • the stop on the leg of the U is partially arranged projecting into the passage. Furthermore, the stop on the end facing away from the lid of the passage, in the direction of movement of the actuating member be overhanging.
  • the gate can be arranged at the base of the U at the end of the passage facing the lid with a recess.
  • the actuating element for the switch-on has a movable counter-stop, whereby in the initial position of the counter-stop in abutment against the stop for blocking the movement of the actuator.
  • the counter-stop can be moved out of contact with the stop when actuated by the user, which leads to the release of the movement of the actuating member. Only then, the actuator can be moved from the output to the end position to put the power tool in operation, in which case the counter stop located out of abutment against the stop dips unhindered in the passage during movement of the actuator.
  • the actuating element for locking has a movable hook, wherein the hook is formed so narrow that it dips into the passage during movement of the actuator past the stop,
  • the actuator is pivotally mounted on the actuator.
  • the actuating element can also be acted upon by means of a spring for return.
  • the compact arrangement it is advisable to arrange the spring on the side facing away from the compression spring of the holder.
  • the blocking element is integrally formed together with the stop and gate.
  • the blocking element and / or the lid and / or the base made of a thermoplastic material, which are produced by injection molding.
  • the locking element and the lid are then produced in one piece during their manufacture.
  • the switch-lock can also act as a transport lock for the actuator. This prevents unintentional switching on during transport of the power tool, which increases the safety for the user.
  • a type of multi-function lid for a device switch with integrated switch-lock, transport lock and / or locking in the actuator which is designed for example in the manner of a pusher created.
  • the switch is equipped with a detent, then the narrow Arrerierhebel immersed in the operation of the pusher in the scenery.
  • the hook pivots into the gate, whereby the switch is locked. Repeated actuation of the trigger releases the locking by the return spring. If the lock is actuated first and then the pusher, then the locking hook slides freely on the backdrop down, so that the function lock is possible.
  • the switch is equipped with a switch-on lock
  • the wide lever of the switch-on lock or the transport lock pushes against its stop when the push-button is actuated.
  • the switch is secured against accidental switching. If the switch-on lock or transport lock and only then the trigger is pressed, the barrier rib pivots into the free area of the gate and clears the way.
  • the advantages achieved by the invention are in particular that cost savings are realized by no production of interchangeable inserts for the tool for the production of the lid is necessary.
  • a constant modification of the tool depending on the desired equipment variant for the switch is eliminated.
  • the storage is simplified because only one cover instead of three different covers are needed as before.
  • no conversion of the assembly and / or testing devices depending on manufactured variant of the switch is necessary, which allows a more flexible manufacturing changeover to another variant.
  • FIG. 1 there is shown an electrical switch 1 suitable for use with an electric hand tool with an electric motor, such as for a cordless and / or mains power tool.
  • the electric tools can be, for example, drills, grinders, saws, planers, angle grinders or the like.
  • the switch 1 is suitable for use in the handle of a two-hand angle grinder.
  • the switch 1 has a housing 2 for receiving a contact system 3 indicated only schematically.
  • an actuating member 4 which is movable between an initial position and an end position is arranged in the manner of a pusher, which serves for switching action on the contact system 3.
  • the contact system 3 is turned off when the actuator 4 is in the starting position. If, however, the actuating member 4 is in the end position, the contact system 3 is switched on.
  • the switch 1 may be provided with a switch-lock and / or with a lock for the actuator 4.
  • the switch-lock and / or the locking comprises an actuating element 5 and a cooperating with the actuating element 5, in Fig. 5 visible locking element 6. If the switch 1 is not equipped with these special functions, so eliminates the actuator 5. The locking element 6 is then still present, but has no function in this case.
  • the blocking element 6 is arranged on the housing 2 such that the locking element 6 is immersed in movement of the actuating member 4 in the end position in a recess 7 in the actuator 4. A hindrance to the movement of the Actuator 4 is thus excluded if it is a switch 1 without switch-lock or locking, so is a normal switch 1. Further, the blocking element 6 is designed such that an optional interaction with the actuating element 5 for the switch-lock according to Fig. 3 and / or for locking according to Fig. 4 is possible. The switch 1 is thus optionally designed for receiving the switch-on lock or the lock or without switch-lock / lock.
  • the housing 2 comprises a base 8 and a cover 9.
  • the actuator 4 is movable, namely pivotally mounted on a bearing 10, the cover 9.
  • the actuator 5 is located on the actuator 4, according to FIG. 3 or FIG. 4 mounted on the actuator 4 by means of a pivot bearing 11 for pivoting movable.
  • the blocking element 6 is arranged on the cover 9, in approximately perpendicular to the lid 9 projecting, as shown in the Fig. 5 can be seen.
  • the blocking element 6 is designed approximately U-shaped, wherein walls 16, 17 of the U define a passage 20.
  • the blocking element 6 is in Fig. 5 shown cut so that the wall 16 parallel to the wall of the U is omitted.
  • the blocking element 6 also has a stop 12 for the switch-on lock, wherein the stop 12 is arranged in the manner of a rib on a leg 16 of the U, so that the stop 12 projects partially into the passage 20. Furthermore, the stop 12 at the end facing away from the cover 9 of the passage 20, arranged in the direction of movement of the actuator 4 projecting.
  • the blocking element 6 furthermore has a link 14 for the locking, wherein the link 14 is arranged on the base 17 of the U at the end of the passage 20 facing the cover 9 with a recess 18.
  • the blocking element 6 has a stop 12 for the switch-on lock, as well as in FIG Fig. 3 you can see.
  • the actuating element 5 for the lock-on has a wide, movable counter-stop 13 in the manner of a locking rib, so that in the starting position of the actuator 4, the counter-stop 13 is in contact with the stop 12 or immediately upon attempting movement of the actuator 4 in abutment against the stop 12 arrived. Consequently, the movement of the actuator 4 in locked the type of lock-in.
  • the actuating element 5 with appropriate operation by the user in the initial position of the counter-stop 13 out of engagement with the stop 12 is movable, whereby a release of the movement of the actuator 4 takes place.
  • the actuator 4 can then be moved to turn on the contact system 3 in the end position, as shown by the detail view in the right Fig. 3 can be seen by the counter-stop 13 immersed in movement of the actuator 4 in the passage 20.
  • the lockout can also be used as a transport lock for the actuator 4, so that an accidental turning on the switch 1 during transport of the power tool is avoided, which contributes to increasing the safety of the user.
  • the blocking element 6 furthermore has a link 14 for the locking, as in FIG Fig. 4 you can see.
  • the actuating element 5 for the locking has a movable hook 15.
  • the hook 15 is formed so narrow that it can submerge on movement of the actuator 4 on stop 12 in the passage.
  • the hook 15 can be brought into latching engagement with the link 14, as is apparent from the detail view on the right Fig. 4 can be seen.
  • a rear grip of the hook 15 in the recess 18 on the gate 14 whereby the actuator 4 is held in the end position. Consequently, then a locking of the actuator 4 is made in the end position.
  • the blocking element 6 is configured approximately U-shaped.
  • the stops 12 are arranged on a respective leg 16 of the U in the direction of movement of the actuating member 4 projecting.
  • the gate 14 is arranged on the base 17 of the U with a recess 18 for the rear grip of the hook 15.
  • a compression spring 19 for the return of the actuator 4 from the end position to the starting position is arranged between the cover 9 and a holder 21 on the actuator 4, as can be seen from Fig. 4 recognizes.
  • the compression spring 19 is located between the two legs 16 on the side facing away from the base 17 of the U's of the locking element 6, whereby the compression spring 19 is guided accordingly.
  • the actuating element 5 is pivotably mounted on the actuating member 4, wherein the Actuator 5 by means of a spring 22 is reset.
  • the spring 22 is arranged on the side facing away from the compression spring 19 of the holder 21.
  • the blocking element 6 is integrally configured together with stop 12 and gate 14, in particular the Fig. 5 can be seen.
  • the blocking element 6 and / or the lid 9 and / or the base 8 are made of a thermoplastic material and are produced by means of injection molding in a corresponding tool.
  • the locking element 6 and the cover 9 are then made in one piece in their manufacture in a tool, so that the lid 9 serves as a kind of multi-function lid for a switch with or without switch-lock and / or with locking.
  • the invention is not limited to the described and illustrated embodiments. Rather, it also encompasses all expert developments within the scope of the invention defined by the claims.
  • the invention can be used not only in power tool switches in power tools, but can also be found on other switches, such as those for household electrical appliances, electrical gardening equipment, machine tools o. The like., Use.

Claims (9)

  1. Commutateur électrique, en particulier pour un outil électrique comprenant un moteur électrique, comme un outil électrique à accumulateurs et/ou sur secteur, par exemple des foreuses, des meuleuses, des scies, des raboteuses, des meuleuses d'angle ou des outils similaires, avec un logement (2) comprenant un socle (8) et un couvercle (9), avec un système de contact (3) se trouvant dans le logement (2), avec un organe d'actionnement (4) pouvant être déplacé entre une position de départ et une position d'extrémité destiné à produire un effet de commutation sur le système de contact (3), et le cas échéant, avec un verrouillage de la commutation et/ou un arrêt pour l'organe d'actionnement (4), étant entendu que le verrouillage de la commutation et/ou l'arrêt comprend un élément d'actionnement (5) et un élément de verrouillage (6) coopérant avec l'élément d'actionnement (5), et étant entendu que l'élément de verrouillage (6) est réalisé de telle sorte qu'une coopération au choix avec l'élément d'actionnement (5) pour le verrouillage de la commutation dans la position de départ de l'organe d'actionnement (4) et/ou pour l'arrêt dans la position d'extrémité de l'organe d'actionnement (4) est rendue possible, caractérisé en ce que l'élément de verrouillage (6) est agencé sensiblement verticalement saillant du couvercle (9), en ce que l'élément de verrouillage (6) est réalisé sensiblement en forme de U avec un passage (20) délimité par des parois (16, 17), en ce que l'élément de verrouillage (6) présente une butée (12) sur un montant (16) du U pour le verrouillage de la commutation, et en ce que l'élément de verrouillage (6) présente une coulisse (14) pour l'arrêt.
  2. Commutateur électrique selon la revendication 1, caractérisé en ce que l'élément de verrouillage (6) est agencé sur le logement (2) de telle sorte que lorsque l'organe d'actionnement (4) est déplacé dans la position d'extrémité, l'élément de verrouillage (6) s'enfonce dans un évidement (7) dans l'organe d'actionnement (4), en ce que l'organe d'actionnement est de préférence agencé de façon mobile, en particulier de façon basculante, sur le couvercle (9), et en ce que d'une façon encore plus préférée, l'élément d'actionnement (5) se trouve sur l'organe d'actionnement (4), en étant en particulier monté de façon mobile sur l'organe d'actionnement (4).
  3. Commutateur électrique selon la revendication 1 ou 2, caractérisé en ce que la butée (12) est agencée sur le montant (16) du U, partiellement en saillie dans le passage (20), et le cas échéant, à distance de l'extrémité du passage (20) opposée au couvercle (9) dans la direction de déplacement de l'organe d'actionnement (4), et en ce que la coulisse (14) est de préférence agencée sur la base (17) du U à l'extrémité du passage (20) faisant face au couvercle (9) avec un évidement (18).
  4. Commutateur électrique selon la revendication 1, 2 ou 3, caractérisé en ce que l'élément d'actionnement (5) possède une contre-butée mobile (13) pour le verrouillage de la commutation de telle sorte que dans la position de départ de l'organe d'actionnement (4), la contre-butée (13) est en prise avec la butée (12) afin de bloquer le déplacement de l'organe d'actionnement (4) et elle peut être déplacée hors de prise avec la butée (12) au moyen de l'élément d'actionnement (5) afin de libérer le déplacement de l'organe d'actionnement (4), et en ce que lorsque l'organe d'actionnement (4) est déplacé, la contre-butée (13) hors de prise avec la butée (12) s'enfonce de préférence dans le passage (20).
  5. Commutateur électrique selon l'une des revendications 1 à 4, caractérisé en ce que l'élément d'actionnement (5) possède un crochet mobile (15) pour l'arrêt de telle sorte que lorsque l'organe d'actionnement (4) est déplacé, le crochet (15) s'enfonce dans le passage (20) au-delà de la butée (12), et en ce que dans la position d'extrémité de l'organe d'actionnement (4), le crochet (15) peut de préférence être mis en engagement par encliquetage avec la coulisse (14) au moyen de l'élément d'actionnement (5) afin de maintenir l'organe d'actionnement (4) dans la position d'extrémité, en particulier du fait de la saisie par l'arrière du crochet (15) dans l'évidement (18).
  6. Commutateur électrique selon l'une des revendications 1 à 5, caractérisé en ce qu'un ressort de pression (19) destiné à renvoyer l'organe d'actionnement (4) depuis la position d'extrémité dans la position de départ se trouve entre les deux montants (16), sur le côté de l'élément de verrouillage (6) opposé à la base (17) du U, et en ce que le ressort de pression (19) est de préférence agencé entre le couvercle (9) et un support (21) sur l'organe d'actionnement (4).
  7. Commutateur électrique selon l'une des revendications 1 à 6, caractérisé en ce que l'élément d'actionnement (5) est monté de façon basculante sur l'organe d'actionnement (4), en ce que l'élément d'actionnement (5) peut de préférence être renvoyé au moyen d'un ressort (22), et en ce que d'une façon encore plus préférée, le ressort (22) est agencé sur le côté du support (21) opposé au ressort de pression (19).
  8. Commutateur électrique selon l'une des revendications 1 à 7, caractérisé en ce que l'élément de verrouillage (6) est réalisé d'une seule pièce avec la butée (12) et la coulisse (14), en ce que l'élément de verrouillage (6) et/ou le couvercle (9) et/ou le socle (8) sont de préférence réalisés dans un matériau thermoplastique, et en ce que d'une façon encore plus préférée, l'élément de verrouillage (6) et le couvercle (9) sont réalisés d'une seule pièce lors de leur fabrication par injection.
  9. Commutateur électrique selon l'une des revendications 1 à 8, caractérisé en ce que le verrouillage de la commutation fait également fonction de sécurité pour l'organe d'actionnement (4) pendant le transport.
EP20090003524 2008-03-12 2009-03-11 Commutateur électrique, notamment commutateur d'outil électrique Active EP2101340B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008013924 2008-03-12

Publications (2)

Publication Number Publication Date
EP2101340A1 EP2101340A1 (fr) 2009-09-16
EP2101340B1 true EP2101340B1 (fr) 2013-07-03

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EP20090003524 Active EP2101340B1 (fr) 2008-03-12 2009-03-11 Commutateur électrique, notamment commutateur d'outil électrique

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EP (1) EP2101340B1 (fr)
DE (1) DE102009011766A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010016211U1 (de) * 2010-11-30 2012-03-01 Maschinenfabrik Reinhausen Gmbh Umsteller
DE102011087551B3 (de) * 2011-12-01 2013-04-04 Siemens Aktiengesellschaft Verriegelungsmechanismus für einen Einschaltknopf eines Leistungsschalters
DE102011089726A1 (de) 2011-12-23 2013-06-27 Robert Bosch Gmbh Werkzeugmaschine
DE102011089729A1 (de) 2011-12-23 2013-06-27 Robert Bosch Gmbh Werkzeugmaschine
DE102011089724A1 (de) 2011-12-23 2013-06-27 Robert Bosch Gmbh Werkzeugmaschine
DE102012218197A1 (de) * 2012-05-04 2013-11-07 Robert Bosch Gmbh Werkzeugmaschinenbremsvorrichtung
EP2884515A1 (fr) * 2013-12-16 2015-06-17 HILTI Aktiengesellschaft Commutateur d'appareil pour outils électriques avec blocage du commutateur
EP3678154A1 (fr) 2019-01-03 2020-07-08 Defond Components Limited Système de verrouillage destiné à être utilisé avec un ensemble de déclenchement d'un dispositif électrique
DE102019120363B4 (de) * 2019-04-26 2020-11-12 Defond Components Limited Eine verbesserte abzugsvorrichtung mit einer schutzabdeckung
EP3764381B1 (fr) * 2019-07-09 2022-08-03 Defond Electech Co., Ltd Ensemble de verrouillage destiné à être utilisé pour verrouiller le déclencheur d'un appareil électrique
EP4233654A1 (fr) * 2022-02-28 2023-08-30 BSH Hausgeräte GmbH Appareil de cuisine à moteur électrique doté d'un interrupteur de sécurité

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2410871C2 (de) 1974-03-07 1981-11-19 J.& J. Marquardt, 7201 Rietheim-Weilheim Elektrischer Schalter mit Sperreinrichtung
JP2977076B2 (ja) * 1996-03-01 1999-11-10 リョービ株式会社 電動工具のスイッチ機構
DE19962002A1 (de) * 1999-12-22 2001-06-28 Marquardt Gmbh Elektrischer Schalter
GB2363520B (en) * 2000-06-15 2004-02-04 Black & Decker Inc Power tool actuator

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DE102009011766A1 (de) 2009-09-24
EP2101340A1 (fr) 2009-09-16

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