EP1956619A1 - Locking switch - Google Patents

Locking switch Download PDF

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Publication number
EP1956619A1
EP1956619A1 EP08101132A EP08101132A EP1956619A1 EP 1956619 A1 EP1956619 A1 EP 1956619A1 EP 08101132 A EP08101132 A EP 08101132A EP 08101132 A EP08101132 A EP 08101132A EP 1956619 A1 EP1956619 A1 EP 1956619A1
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EP
European Patent Office
Prior art keywords
actuating element
pusher
latch
switch
switch according
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Granted
Application number
EP08101132A
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German (de)
French (fr)
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EP1956619B1 (en
Inventor
Joël GAUZIN
Jean-François Gibert
Daniel Duchalet
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Apem
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Apem
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Publication of EP1956619A1 publication Critical patent/EP1956619A1/en
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    • 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
    • H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button

Definitions

  • the present invention relates to a toggle switch, operable manually, at least one of the actuating positions is locked.
  • Rocker switches are commonly installed, especially on the dashboards of vehicles such as automobiles, construction or agricultural machinery, trucks, or any other type of vehicle.
  • a switch comprises at least one switching element which provides a desired and determined electrical function.
  • the standard switches can be operated by the application on the rocker with a limited force in one direction or in two directions. However, with simple actuation of this type, the switch may be subject to undesired manipulations, since an accidental bias exerted on the rocker can actuate it.
  • latching rocker switches such as that described in the patent, are known.
  • US 4,947,009 This 3-position switch has an actuating member provided with a latch capable of sliding in a direction perpendicular to the plane of symmetry of the tilting. In the central position, the latch prevents any pivoting of the actuating member.
  • the latch To actuate the switch in a given direction, the latch must be slid in the opposite direction, to release an opening allowing the actuating element to pass through, then to pivot the actuating element in the direction in question.
  • the handling is not intuitive because the sliding of the latch and the rotation of the element Actuation requires movements in opposite directions.
  • the patent US 5,380,964 describes a toggle switch whose locking system has improved ergonomics.
  • This switch comprises a housing, an actuator and a lever which serves to actuate the switch.
  • the housing comprises a stop member of the housing, with which cooperates an abutment surface of the lever, to prevent rotation in the direction corresponding to the actuation. Unlocking is effected by pressing the lever, which allows the stop surface to pass under the stop member, which releases the rotation of the lever. The actuation is then performed by pivoting the lever, the latter being held down.
  • the design of this switch is that the rotation of the lever in the opposite direction to that of the actuation is impossible.
  • This switch is therefore designed for two positions: a central position and a toggle actuated position, and the locking system it uses is impossible to apply to a three-position switch.
  • the document DE 44 22,475 discloses a three-position toggle switch in which an unlocking button, placed in the center of the actuating element, cooperates with a movable latch in translation in a direction substantially perpendicular to that of the button.
  • the lock is interposed on the path of the actuating element and releases it when pressing the unlocking button.
  • the unlocking button does not allow intuitive unlocking because the lock simultaneously releases the two tilt paths; pressing the button does not automatically lead to switching.
  • this button is not protected and can cause inadvertent unlocking, particularly critical when the switch is intended for risky controls such as a tractor force control. Indeed, a support with a large force can lead to an unlocking or deformation of the axis that can affect the proper operation of the switch - that is to say, a locking lock or a permanent absence of locking.
  • One of the aims of the invention is therefore to propose a latching rocker switch which can be used, if necessary, with a three-position switch, with latch for at least one tilted position or for both, and which is provided with an ergonomic and intuitive unlocking system.
  • Another object of the invention is to design a switch whose safety of operation is guaranteed and can withstand actuating forces without damaging the locking system.
  • the latch has a general shape of U, whose base is biased by the elastic support, a first branch is urged by a protruding finger from the pusher and the other branch is adapted to perform said interposition with the actuating element.
  • said other leg of the latch cooperates with an opening in the actuating element.
  • the finger extends in a direction substantially parallel to its sliding direction and has an inner face forming an inclined ramp which cooperates with the first leg of the lock so that a push on the push rod the latch in rotation.
  • the pusher is advantageously mounted in the actuating element offset with respect to the pivot axis, so that a thrust on the pusher is adapted to drive the actuating element to the tilted position.
  • the actuating element is able to occupy a second position tilted away from the tilted position.
  • the switch comprises a second latch adapted to cooperate with the pusher and positioned opposite the first latch relative to the pivot axis of the actuating element so that pushing on the pusher solicits the first and second latches and makes it possible to disengage them from the trajectory of the actuating element towards one of its tilted positions.
  • the second latch then advantageously has a general shape of U, whose base is solicited by an elastic support, a first branch is urged by a protruding finger from the pusher and the other branch is likely to interpose on the trajectory of the actuating element.
  • the pusher is slidably mounted between two walls of the actuating element, said walls forming protective cheeks vis-à-vis an inadvertent unlocking.
  • the switch has a body 9 forming a switch housing, on which is assembled a plastron 1 by means of elastic tabs 12.
  • the body and the plastron are made by molding conventional synthetic materials, such as a polyamide, for example.
  • the seal between the body 9 and the plastron 1 is provided by a gasket 8.
  • the switch has at least a switching element (not shown), operable under the action of a switching rod 10 to achieve the desired electrical contact.
  • the upper part of the switching rod 10 has a conical shape 13 which cooperates with a circular opening 14 in the plastron 1 to allow the tilting of said rod 10.
  • the seal between the switching rod 10 and the plastron 1 is ensured by an O-ring 7.
  • an actuating element consists of a rocker 2 and a rocker support 3.
  • the rocker 2 and the rocker support 3 are made by molding conventional synthetic materials, such as polyamide for example, and can be assembled by latching the flip-flop support 3 in the flip-flop 2, so that when the switch is assembled, only the flip-flop 2 is visible.
  • the actuating element 2, 3 is pivotally mounted on the plastron 1 around a transverse axis perpendicular to the plane of the figure 4 .
  • the actuating element 2, 3 is able to adopt two positions tilted on either side of a central equilibrium position.
  • Flip-flop 2 is in the form of a curved shell comprising a base 16 and an upper portion extending perpendicularly to the base and for gripping the rocker.
  • the upper part has an opening 17 of substantially rectangular shape defined by two parallel walls 18, which are perpendicular to the axis of pivoting of the actuating element.
  • each wall 18 has a notch 19 substantially perpendicular to the base 16 of the rocker, and which extends towards the base from a point 20 which forms an upper stop.
  • the rocker support 3 has the general shape of a frame, which in its middle part comprises a finger 15 which extends perpendicularly thereto.
  • the rocker support 3 is made integral with the switching rod 10 by means of the finger 15 which is inserted into a corresponding well inside said rod 10.
  • a pusher 5 is slidably mounted in the actuating element 2, 3, by means of two ribs 21 situated on its lateral faces and able to slide in the notches 19.
  • the guide of the pusher 5 is moreover ensured by surfaces 5a. , 5b, 5c able to slide inside corresponding surfaces 2a, 2b, 2c of the rocker 2 (see figure 5 ).
  • a return spring 6 is adapted to return the pusher 5 in the out position against the stops 20. The other end of the spring 6 is inserted into a housing in the rocker support 3 near the pivot axis.
  • the upper portion of the pusher exits the opening 17 so that an operator can push it with a finger.
  • the walls 18 fulfill a function of protective cheeks, preventing inadvertent unlocking induced by accidental pressure exerted on the pusher 5.
  • the pusher 5 also has a finger 22 which extends in a direction substantially parallel to its direction of sliding towards the plastron 1.
  • the inner face of the finger 22 forms a ramp 23 inclined outwards with respect to said sliding direction .
  • a latch 4 having a general U-shape defining two branches, is mounted movably in tilting against the stress at its base 24 of a resilient support 11 mounted inside a cavity 28 in the plastron 1, on the same side relative to the pivot axis as the spring 6.
  • the elastic support 11 is a spring.
  • one of the branches 25 of the latch 4 is able to be interposed on the trajectory of the actuating element, at a zone X situated under the rocker support 3, so as to prevent the rotation of the tilting element 2, 3.
  • the zone X is located at the edge of the opening 27, on the side furthest from the pivot axis.
  • the width of branch 25 (considered in a direction parallel to the pivot axis) is smaller than that of the opening 27 of the rocker support.
  • the other branch 26 of the latch 4 cooperates with the finger 22 of the pusher 5 along the ramp 23.
  • the switch has three positions: a central position A, which is the equilibrium position, represented in FIG. figure 4 , and two tilted positions B and C on either side of the position A, respectively represented at Figures 7 and 6 .
  • a central position A which is the equilibrium position, represented in FIG. figure 4
  • two tilted positions B and C on either side of the position A, respectively represented at Figures 7 and 6 .
  • the locking device described acts only in the direction of actuation from position A to position C.
  • the latch does not hinder the tilting of the actuating element from position A to position B. An operator can therefore freely move the switch from position A to position B.
  • the branch 25 of the latch 4 is in contact with the rocker support 3 at the zone X, so that it prevents the rotation of the tilting element 2,3 in the counterclockwise to position C.
  • the other branch 26 of the latch 4 cooperates with the finger 22 of the pusher 5 along the ramp 23, so that when pushing the pusher 5, the spring 11 is compressed and the latch 4 is rotated in the clockwise in the figure, which releases the flip-flop support 3 in the area X.
  • the branch 25 of the latch 4 is then positioned inside the opening 27 which is wider, and it therefore no longer opposes the tilting of the actuating element 2, 3 in the counterclockwise direction. on the face.
  • the operator can then bring the switch to the C position by tilting the actuating element without releasing its pressure on the pusher 5.
  • the pusher 5 is mounted in the actuating element offset from the pivot axis, on the same side with respect to this axis as the latch 4.
  • a push on the pusher 5 is able to drive the actuating element to the tilted position C .
  • Tilting the flip-flop support 3 then rotates the switching rod 10, which actuates the switching element.
  • a second latch and a second elastic support 30 For this purpose, one installs in another cavity 29 (see figure 4 ) of the plastron 1 of the switch already described, a second latch and a second elastic support 30.
  • This second latch and second elastic support 30 are disposed opposite the first latch 4 and the first resilient support 11 relative to the axis pivoting of the actuating element 2, 3.
  • a pusher having a second finger which cooperates with the second latch is used.
  • the second latch has a general shape of U, the base of which is urged by the second elastic support 30, a first branch is urged by the second finger of the pusher, and the other branch is capable of interposing itself on the trajectory of the actuating element 2, 3 to position B.
  • the first latch 4 prevents the actuating element 2, 3 from tilting towards the position C, whereas the second latch prevents the tilting of the position A towards the position B.
  • a pressure on the pusher solicits the first latch and the second latch and makes it possible to disengage these from the trajectory of the actuating element 2, 3.
  • the operator can then switch the actuating element 2, 3 to the actuating position B or C desired.

Abstract

The switch has tilting elements (2, 3) mounted on an armor (1) and integrated to a switch rod (10) that occupies central and tilted positions. A pushrod (5) slidably mounted in the tilting element in a returning/outgoing direction parallel to a tilting symmetry plane. A lock (4) is moved on a spring (11). The lock moves to a position where it is interposed on a path of the tilting element and another position where it cooperates with the pushrod, so that a thrust on the pushrod stresses the lock and disengages the pushrod from the path of the tilting element towards the tilted position.

Description

DOMAINE DE L'INVENTIONFIELD OF THE INVENTION

La présente invention concerne un commutateur à bascule, actionnable manuellement, dont au moins une des positions d'actionnement est verrouillée.The present invention relates to a toggle switch, operable manually, at least one of the actuating positions is locked.

ARRIERE PLAN DE L'INVENTIONBACKGROUND OF THE INVENTION

Des commutateurs à bascule sont couramment installés notamment sur les tableaux de bord des véhicules tels que des automobiles, des engins de travaux publics ou agricoles, des camions, ou tout autre type de véhicule. Un tel commutateur comprend au moins un élément de commutation qui assure une fonction électrique recherchée et déterminée.Rocker switches are commonly installed, especially on the dashboards of vehicles such as automobiles, construction or agricultural machinery, trucks, or any other type of vehicle. Such a switch comprises at least one switching element which provides a desired and determined electrical function.

Les commutateurs standard peuvent être actionnés par l'application sur la bascule d'une force limitée dans une seule direction ou dans deux directions. Toutefois, avec un actionnement simple de ce type, le commutateur peut être sujet à des manipulations non désirées, puisqu'une sollicitation accidentelle exercée sur la bascule peut l'actionner.The standard switches can be operated by the application on the rocker with a limited force in one direction or in two directions. However, with simple actuation of this type, the switch may be subject to undesired manipulations, since an accidental bias exerted on the rocker can actuate it.

Par conséquent, pour réduire la probabilité d'un actionnement par inadvertance, des systèmes de verrouillage ont été développés de façon à ce que le commutateur ne puisse être actionné que par une combinaison de deux mouvements.Therefore, to reduce the likelihood of inadvertent actuation, locking systems have been developed so that the switch can be actuated only by a combination of two movements.

On connaît ainsi des commutateurs à bascule à verrouillage, tels que celui décrit dans le brevet US 4,947,009 . Ce commutateur à 3 positions présente un organe d'actionnement muni d'un loquet susceptible de coulisser dans une direction perpendiculaire au plan de symétrie du basculement. En position centrale, le loquet interdit tout pivotement de l'organe d'actionnement. Pour actionner le commutateur dans un sens donné, il faut faire coulisser le loquet dans le sens inverse, afin de libérer une ouverture permettant de laisser passer l'élément d'actionnement, puis faire pivoter l'élément d'actionnement dans le sens en question. Or, le maniement n'est pas intuitif car le coulissement du loquet et la rotation de l'élément d'actionnement nécessitent des mouvements dans des directions opposées. De plus, il est nécessaire de tenir le loquet avec deux doigts pour pouvoir effectuer l'enchaînement des mouvements. L'actionnement d'un tel commutateur nécessite donc une attention particulière de l'opérateur, ce qui peut le distraire de la conduite du véhicule.Thus, latching rocker switches, such as that described in the patent, are known. US 4,947,009 . This 3-position switch has an actuating member provided with a latch capable of sliding in a direction perpendicular to the plane of symmetry of the tilting. In the central position, the latch prevents any pivoting of the actuating member. To actuate the switch in a given direction, the latch must be slid in the opposite direction, to release an opening allowing the actuating element to pass through, then to pivot the actuating element in the direction in question. . However, the handling is not intuitive because the sliding of the latch and the rotation of the element Actuation requires movements in opposite directions. In addition, it is necessary to hold the latch with two fingers to perform the sequence of movements. The actuation of such a switch therefore requires special attention from the operator, which can distract from driving the vehicle.

Le brevet US 5,380,964 décrit un commutateur à bascule dont le système de verrouillage présente une ergonomie améliorée. Ce commutateur comprend un boîtier, un organe d'actionnement et un levier qui sert à l'actionnement du commutateur. Le boîtier comporte un élément de butée du boîtier, avec lequel coopère une surface de butée du levier, pour empêcher la rotation dans le sens qui correspond à l'actionnement. Le déverrouillage est effectué par une pression sur le levier, qui permet à la surface de butée de passer sous l'élément de butée, ce qui libère la rotation du levier. L'actionnement est alors effectué par le pivotement du levier, celui-ci étant maintenu enfoncé. Toutefois, la conception de ce commutateur fait que la rotation du levier dans le sens inverse de celui de l'actionnement est impossible. Ce commutateur n'est donc conçu que pour deux positions : une position centrale et une position d'actionnement basculée, et le système de verrouillage qu'il utilise est impossible à appliquer à un commutateur à trois positions.The patent US 5,380,964 describes a toggle switch whose locking system has improved ergonomics. This switch comprises a housing, an actuator and a lever which serves to actuate the switch. The housing comprises a stop member of the housing, with which cooperates an abutment surface of the lever, to prevent rotation in the direction corresponding to the actuation. Unlocking is effected by pressing the lever, which allows the stop surface to pass under the stop member, which releases the rotation of the lever. The actuation is then performed by pivoting the lever, the latter being held down. However, the design of this switch is that the rotation of the lever in the opposite direction to that of the actuation is impossible. This switch is therefore designed for two positions: a central position and a toggle actuated position, and the locking system it uses is impossible to apply to a three-position switch.

Enfin, le document DE 44 22 475 décrit un commutateur à bascule à trois positions dans lequel un bouton de déverrouillage, placé au centre de l'élément d'actionnement, coopère avec un verrou mobile en translation dans une direction sensiblement perpendiculaire à celle du bouton. Le verrou est interposé sur la trajectoire de l'élément d'actionnement et la libère lorsque l'on exerce une pression sur le bouton de déverrouillage.Finally, the document DE 44 22,475 discloses a three-position toggle switch in which an unlocking button, placed in the center of the actuating element, cooperates with a movable latch in translation in a direction substantially perpendicular to that of the button. The lock is interposed on the path of the actuating element and releases it when pressing the unlocking button.

Toutefois, de par sa position centrale, le bouton de déverrouillage ne permet pas un déverrouillage intuitif car le verrou libère simultanément les deux trajectoires de basculement ; l'appui sur le bouton ne conduit pas donc automatiquement à une commutation.However, because of its central position, the unlocking button does not allow intuitive unlocking because the lock simultaneously releases the two tilt paths; pressing the button does not automatically lead to switching.

En outre, ce bouton n'est pas protégé et peut occasionner des déverrouillages intempestifs, particulièrement critiques lorsque le commutateur est destiné à des commandes à risques comme par exemple une commande de force pour tracteur. En effet, un appui avec une force importante peut conduire à un déverrouillage ou à une déformation de l'axe pouvant nuire au bon fonctionnement du commutateur - c'est-à-dire un blocage du verrouillage ou une absence définitive de verrouillage.In addition, this button is not protected and can cause inadvertent unlocking, particularly critical when the switch is intended for risky controls such as a tractor force control. Indeed, a support with a large force can lead to an unlocking or deformation of the axis that can affect the proper operation of the switch - that is to say, a locking lock or a permanent absence of locking.

L'un des buts de l'invention est donc de proposer un commutateur à bascule à verrouillage qui puisse être utilisé le cas échéant avec un commutateur à trois positions, avec verrouillage pour au moins une position basculée ou pour les deux, et qui soit muni d'un système de déverrouillage ergonomique et intuitif. Un autre but de l'invention est de concevoir un commutateur dont la sécurité de l'actionnement est garantie et pouvant supporter des efforts d'actionnement sans détérioration du système de verrouillage.One of the aims of the invention is therefore to propose a latching rocker switch which can be used, if necessary, with a three-position switch, with latch for at least one tilted position or for both, and which is provided with an ergonomic and intuitive unlocking system. Another object of the invention is to design a switch whose safety of operation is guaranteed and can withstand actuating forces without damaging the locking system.

BREVE DESCRIPTION DE L'INVENTIONBRIEF DESCRIPTION OF THE INVENTION

Conformément à l'invention, il est proposé un commutateur comprenant :

  • un boîtier,
  • un élément d'actionnement monté pivotant dans le boîtier et solidaire d'une tige de commande de commutation, apte à occuper une position centrale et une position basculée,
  • un poussoir monté coulissant dans l'élément d'actionnement dans une direction rentrante / sortante sensiblement parallèle au plan de symétrie du basculement,
le commutateur comprenant en outre un verrou mobile en basculement à l'encontre de la sollicitation d'un appui élastique, ledit verrou étant distinct du poussoir et apte à prendre une première position où il est interposé sur la trajectoire de l'élément d'actionnement, et une deuxième position où il coopère avec le poussoir de telle sorte qu'une poussée sur le poussoir sollicite le verrou et permet de dégager celui-ci de la trajectoire de l'élément d'actionnement vers la position basculée.According to the invention, there is provided a switch comprising:
  • a housing,
  • an actuating element pivotally mounted in the housing and secured to a switching control rod, adapted to occupy a central position and a tilted position,
  • a pusher slidably mounted in the actuating element in a re-entrant / outgoing direction substantially parallel to the plane of symmetry of the tilting,
the switch further comprising a latch movable in tilting against the biasing of an elastic support, said latch being distinct from the pusher and adapted to take a first position where it is interposed on the trajectory of the actuating element and a second position where it cooperates with the pusher such that a push on the pusher solicits the latch and allows it to disengage it from the trajectory of the actuating element to the tilted position.

Selon un mode particulier de réalisation, le verrou a une forme générale de U, dont la base est sollicitée par l'appui élastique, une première branche est sollicitée par un doigt saillant à partir du poussoir et l'autre branche est apte à réaliser ladite interposition avec l'élément d'actionnement.According to a particular embodiment, the latch has a general shape of U, whose base is biased by the elastic support, a first branch is urged by a protruding finger from the pusher and the other branch is adapted to perform said interposition with the actuating element.

De façon avantageuse, ladite autre branche du verrou coopère avec une ouverture dans l'élément d'actionnement.Advantageously, said other leg of the latch cooperates with an opening in the actuating element.

Selon un mode particulier de réalisation, le doigt s'étend dans une direction sensiblement parallèle à sa direction de coulissement et présente une face interne formant une rampe inclinée qui coopère avec la première branche du verrou de telle sorte qu'une poussée sur le poussoir entraîne le verrou en rotation.According to a particular embodiment, the finger extends in a direction substantially parallel to its sliding direction and has an inner face forming an inclined ramp which cooperates with the first leg of the lock so that a push on the push rod the latch in rotation.

Le poussoir est avantageusement monté dans l'élément d'actionnement décalé par rapport à l'axe de pivotement, de telle sorte qu'une poussée sur le poussoir est apte à entraîner l'élément d'actionnement vers la position basculée.The pusher is advantageously mounted in the actuating element offset with respect to the pivot axis, so that a thrust on the pusher is adapted to drive the actuating element to the tilted position.

De manière avantageuse, l'élément d'actionnement est apte à occuper une deuxième position basculée à l'opposé de la position basculée.Advantageously, the actuating element is able to occupy a second position tilted away from the tilted position.

Selon un mode particulier de réalisation de l'invention, le commutateur comprend un deuxième verrou apte à coopérer avec le poussoir et positionné à l'opposé du premier verrou par rapport à l'axe de pivotement de l'élément d'actionnement de sorte qu'une poussée sur le poussoir sollicite le premier et le deuxième verrou et permet de dégager ceux-ci de la trajectoire de l'élément d'actionnement vers l'une de ses positions basculées.According to a particular embodiment of the invention, the switch comprises a second latch adapted to cooperate with the pusher and positioned opposite the first latch relative to the pivot axis of the actuating element so that pushing on the pusher solicits the first and second latches and makes it possible to disengage them from the trajectory of the actuating element towards one of its tilted positions.

Le deuxième verrou a alors avantageusement une forme générale de U, dont la base est sollicitée par un appui élastique, une première branche est sollicitée par un doigt saillant à partir du poussoir et l'autre branche est susceptible de s'interposer sur la trajectoire de l'élément d'actionnement.The second latch then advantageously has a general shape of U, whose base is solicited by an elastic support, a first branch is urged by a protruding finger from the pusher and the other branch is likely to interpose on the trajectory of the actuating element.

De manière préférée, le poussoir est monté coulissant entre deux parois de l'élément d'actionnement, lesdites parois formant des joues de protection vis-à-vis d'un déverrouillage intempestif.Preferably, the pusher is slidably mounted between two walls of the actuating element, said walls forming protective cheeks vis-à-vis an inadvertent unlocking.

BREVE DESCRIPTION DES DESSINSBRIEF DESCRIPTION OF THE DRAWINGS

L'invention sera mieux comprise, et d'autres avantages et caractéristiques ressortiront mieux de la description qui va suivre d'un mode de réalisation, donné à titre d'exemple non limitatif, du commutateur selon l'invention, à partir des dessins annexés sur lesquels :

  • la figure 1 est un éclaté en perspective du commutateur selon l'invention,
  • la figure 2 est une vue de dessus du commutateur assemblé,
  • la figure 3 est une vue de côté du commutateur assemblé,
  • la figure 4 est une vue de face en coupe partielle suivant le plan de coupe A-A représenté à la figure 3, du commutateur en position A
  • la figure 5 est une vue de face en coupe partielle suivant A-A du commutateur en position A, le poussoir étant actionné,
  • la figure 6 est une vue de face en coupe partielle suivant A-A du commutateur en position C
  • la figure 7 est une vue de face en coupe partielle suivant A-A du commutateur en position B
  • la figure 8 est une vue isométrique du produit assemblé.
The invention will be better understood, and other advantages and features will become more apparent from the following description of an embodiment, given by way of non-limiting example, of the switch according to the invention, from the attached drawings. on which ones :
  • the figure 1 is an exploded view of the switch according to the invention,
  • the figure 2 is a top view of the assembled switch,
  • the figure 3 is a side view of the assembled switch,
  • the figure 4 is a front view in partial section along the sectional plane AA shown in FIG. figure 3 , from the switch to position A
  • the figure 5 is a front view in partial section along AA of the switch in position A, the pusher being actuated,
  • the figure 6 is a front view in partial section along AA of the switch in position C
  • the figure 7 is a front view in partial section along AA of the switch in position B
  • the figure 8 is an isometric view of the assembled product.

DESCRIPTION DETAILLEE DE L'INVENTIONDETAILED DESCRIPTION OF THE INVENTION

En référence à la figure 1, le commutateur possède un corps 9 formant boîtier de commutateur, sur lequel est assemblé un plastron 1 au moyen de pattes élastiques 12. Le corps et le plastron sont réalisés par moulage de matériaux synthétiques usuels, tels qu'un polyamide par exemple. L'étanchéité entre le corps 9 et le plastron 1 est assurée par un joint 8.With reference to the figure 1 , the switch has a body 9 forming a switch housing, on which is assembled a plastron 1 by means of elastic tabs 12. The body and the plastron are made by molding conventional synthetic materials, such as a polyamide, for example. The seal between the body 9 and the plastron 1 is provided by a gasket 8.

Les composants internes du commutateur, tels qu'éléments de commutation, organes mécaniques, bornes de sortie, sont bien connus de l'homme du métier et ne seront pas décrits de façon détaillée. Notamment, le commutateur possède au moins un élément de commutation (non représenté), apte à être actionné sous l'action d'une tige de commutation 10 pour réaliser le contact électrique souhaité.The internal components of the switch, such as switching elements, mechanical members, output terminals, are well known to those skilled in the art and will not be described in detail. In particular, the switch has at least a switching element (not shown), operable under the action of a switching rod 10 to achieve the desired electrical contact.

La partie supérieure de la tige de commutation 10 présente une forme conique 13 qui coopère avec une ouverture circulaire 14 dans le plastron 1 pour permettre le basculement de ladite tige 10. L'étanchéité entre la tige de commutation 10 et le plastron 1 est assurée par un joint torique 7.The upper part of the switching rod 10 has a conical shape 13 which cooperates with a circular opening 14 in the plastron 1 to allow the tilting of said rod 10. The seal between the switching rod 10 and the plastron 1 is ensured by an O-ring 7.

Par ailleurs, un élément d'actionnement est constitué d'une bascule 2 et d'un support de bascule 3. La bascule 2 et le support de bascule 3 sont réalisés par moulage de matériaux synthétiques usuels, tels que du polyamide par exemple, et peuvent être assemblés par encliquetage du support de bascule 3 dans la bascule 2, de sorte que, lorsque le commutateur est assemblé, seule la bascule 2 est visible.Furthermore, an actuating element consists of a rocker 2 and a rocker support 3. The rocker 2 and the rocker support 3 are made by molding conventional synthetic materials, such as polyamide for example, and can be assembled by latching the flip-flop support 3 in the flip-flop 2, so that when the switch is assembled, only the flip-flop 2 is visible.

L'élément d'actionnement 2, 3 est monté pivotant sur le plastron 1 autour d'un axe transversal perpendiculaire au plan de la figure 4. L'élément d'actionnement 2, 3 est apte à adopter deux positions basculées de part et d'autre d'une position centrale d'équilibre.The actuating element 2, 3 is pivotally mounted on the plastron 1 around a transverse axis perpendicular to the plane of the figure 4 . The actuating element 2, 3 is able to adopt two positions tilted on either side of a central equilibrium position.

La bascule 2 se présente sous la forme d'une coque bombée comprenant une base 16 et une partie supérieure s'étendant perpendiculairement à la base et permettant la préhension de la bascule. La partie supérieure présente une ouverture 17 de forme sensiblement rectangulaire définie par deux parois parallèles 18, qui sont perpendiculaires à l'axe de pivotement de l'élément d'actionnement.Flip-flop 2 is in the form of a curved shell comprising a base 16 and an upper portion extending perpendicularly to the base and for gripping the rocker. The upper part has an opening 17 of substantially rectangular shape defined by two parallel walls 18, which are perpendicular to the axis of pivoting of the actuating element.

La face intérieure de chaque paroi 18 comporte une encoche 19 sensiblement perpendiculaire à la base 16 de la bascule, et qui s'étend vers la base depuis un point 20 qui forme une butée supérieure.The inner face of each wall 18 has a notch 19 substantially perpendicular to the base 16 of the rocker, and which extends towards the base from a point 20 which forms an upper stop.

Le support de bascule 3 a la forme générale d'un cadre, qui, dans sa partie médiane, comporte un doigt 15 qui s'étend perpendiculairement à celle-ci.The rocker support 3 has the general shape of a frame, which in its middle part comprises a finger 15 which extends perpendicularly thereto.

De part et d'autre de la partie médiane du support de bascule 3, se trouvent deux ouvertures 27 de forme sensiblement rectangulaire.On either side of the middle portion of the rocker support 3 are two openings 27 of substantially rectangular shape.

Le support de bascule 3 est rendu solidaire de la tige de commutation 10 par l'intermédiaire du doigt 15 qui est inséré dans un puits correspondant à l'intérieur de ladite tige 10.The rocker support 3 is made integral with the switching rod 10 by means of the finger 15 which is inserted into a corresponding well inside said rod 10.

Un poussoir 5 est monté coulissant dans l'élément d'actionnement 2, 3, au moyen de deux nervures 21 situées sur ses faces latérales et aptes à coulisser dans les encoches 19. Le guidage du poussoir 5 est par ailleurs assuré par des surfaces 5a, 5b, 5c aptes à coulisser à l'intérieur de surfaces correspondantes 2a, 2b, 2c de la bascule 2 (voir figure 5). Un ressort de rappel 6 est apte à ramener le poussoir 5 en position sortante contre les butées 20. L'autre extrémité du ressort 6 est insérée dans un logement dans le support de bascule 3 à proximité de l'axe de pivotement.A pusher 5 is slidably mounted in the actuating element 2, 3, by means of two ribs 21 situated on its lateral faces and able to slide in the notches 19. The guide of the pusher 5 is moreover ensured by surfaces 5a. , 5b, 5c able to slide inside corresponding surfaces 2a, 2b, 2c of the rocker 2 (see figure 5 ). A return spring 6 is adapted to return the pusher 5 in the out position against the stops 20. The other end of the spring 6 is inserted into a housing in the rocker support 3 near the pivot axis.

La partie supérieure du poussoir sort de l'ouverture 17 de sorte qu'un opérateur peut l'enfoncer avec un doigt. Toutefois, les parois 18 remplissent une fonction de joues de protection, en empêchant un déverrouillage intempestif induit par une pression accidentelle exercée sur le poussoir 5.The upper portion of the pusher exits the opening 17 so that an operator can push it with a finger. However, the walls 18 fulfill a function of protective cheeks, preventing inadvertent unlocking induced by accidental pressure exerted on the pusher 5.

Le poussoir 5 présente par ailleurs un doigt 22 qui s'étend selon une direction sensiblement parallèle à sa direction de coulissement vers le plastron 1. La face interne du doigt 22 forme une rampe 23 inclinée vers l'extérieur par rapport à ladite direction de coulissement.The pusher 5 also has a finger 22 which extends in a direction substantially parallel to its direction of sliding towards the plastron 1. The inner face of the finger 22 forms a ramp 23 inclined outwards with respect to said sliding direction .

Enfin, un verrou 4, ayant une forme générale de U définissant deux branches, est monté mobile en basculement à l'encontre de la sollicitation au niveau de sa base 24 d'un appui élastique 11 monté à l'intérieur d'une cavité 28 dans le plastron 1, du même côté par rapport à l'axe de pivotement que le ressort 6. Selon un mode particulier de réalisation, l'appui élastique 11 est un ressort.Finally, a latch 4, having a general U-shape defining two branches, is mounted movably in tilting against the stress at its base 24 of a resilient support 11 mounted inside a cavity 28 in the plastron 1, on the same side relative to the pivot axis as the spring 6. According to a particular embodiment, the elastic support 11 is a spring.

En référence aux figures 4 et 5, l'une des branches 25 du verrou 4 est apte à s'interposer sur la trajectoire de l'élément d'actionnement, au niveau d'une zone X située sous le support de bascule 3, de manière à empêcher la rotation de l'élément de basculement 2, 3. La zone X est située au bord de l'ouverture 27, du côté le plus éloigné de l'axe de pivotement. La largeur de la branche 25 (considérée dans une direction parallèle à l'axe de pivotement) est plus faible que celle de l'ouverture 27 du support de bascule.With reference to Figures 4 and 5 , one of the branches 25 of the latch 4 is able to be interposed on the trajectory of the actuating element, at a zone X situated under the rocker support 3, so as to prevent the rotation of the tilting element 2, 3. The zone X is located at the edge of the opening 27, on the side furthest from the pivot axis. The width of branch 25 (considered in a direction parallel to the pivot axis) is smaller than that of the opening 27 of the rocker support.

L'autre branche 26 du verrou 4 coopère avec le doigt 22 du poussoir 5 le long de la rampe 23.The other branch 26 of the latch 4 cooperates with the finger 22 of the pusher 5 along the ramp 23.

On va maintenant décrire le fonctionnement d'un commutateur conforme à l'invention et les manipulations nécessaires à son actionnement.We will now describe the operation of a switch according to the invention and the manipulations necessary for its actuation.

Le commutateur admet trois positions : une position centrale A, qui est la position d'équilibre, représentée à la figure 4, et deux positions basculées B et C de part et d'autre de la position A, représentées respectivement aux figures 7 et 6. Dans l'exemple décrit, on atteint la position B par un basculement dans le sens horaire sur les figures, et la position C par un basculement dans un sens anti-horaire sur les figures.The switch has three positions: a central position A, which is the equilibrium position, represented in FIG. figure 4 , and two tilted positions B and C on either side of the position A, respectively represented at Figures 7 and 6 . In the example described, one reaches the position B by a swing in the clockwise direction in the figures, and the position C by a swing in a counterclockwise direction in the figures.

Dans ce mode de réalisation, le dispositif de verrouillage décrit n'agit que dans le sens d'actionnement de la position A vers la position C.In this embodiment, the locking device described acts only in the direction of actuation from position A to position C.

Comme on le voit sur les figures 4 et 7, le verrou ne fait pas obstacle au basculement de l'élément d'actionnement de la position A vers la position B. Un opérateur peut donc amener librement le commutateur de la position A à la position B.As we see on the figures 4 and 7 , the latch does not hinder the tilting of the actuating element from position A to position B. An operator can therefore freely move the switch from position A to position B.

En référence à la figure 4, qui représente le commutateur en position A, la branche 25 du verrou 4 est en contact avec le support de bascule 3 au niveau de la zone X, de sorte qu'il empêche la rotation de l'élément de basculement 2,3 dans le sens anti-horaire vers la position C.With reference to the figure 4 , which represents the switch in position A, the branch 25 of the latch 4 is in contact with the rocker support 3 at the zone X, so that it prevents the rotation of the tilting element 2,3 in the counterclockwise to position C.

En référence à la figure 5, l'autre branche 26 du verrou 4 coopère avec le doigt 22 du poussoir 5 le long de la rampe 23, de sorte que lorsqu'on enfonce le poussoir 5, le ressort 11 est comprimé et le verrou 4 est entraîné en rotation dans le sens horaire sur la figure, ce qui libère le support de bascule 3 dans la zone X.With reference to the figure 5 , the other branch 26 of the latch 4 cooperates with the finger 22 of the pusher 5 along the ramp 23, so that when pushing the pusher 5, the spring 11 is compressed and the latch 4 is rotated in the clockwise in the figure, which releases the flip-flop support 3 in the area X.

La branche 25 du verrou 4 se trouve alors positionnée à l'intérieur de l'ouverture 27 qui est plus large, et elle ne s'oppose donc plus au basculement de l'élément d'actionnement 2, 3 dans le sens anti-horaire sur la figure.The branch 25 of the latch 4 is then positioned inside the opening 27 which is wider, and it therefore no longer opposes the tilting of the actuating element 2, 3 in the counterclockwise direction. on the face.

En référence à la figure 6, l'opérateur peut alors amener le commutateur à la position C en faisant basculer l'élément d'actionnement sans relâcher sa pression sur le poussoir 5. A cet égard et comme on l'a vu plus haut, le poussoir 5 est monté dans l'élément d'actionnement décalé de l'axe de pivotement, du même côté par rapport à cet axe que le verrou 4. Ainsi, une poussée sur le poussoir 5 est apte à entraîner l'élément d'actionnement vers la position basculée C.With reference to the figure 6 , the operator can then bring the switch to the C position by tilting the actuating element without releasing its pressure on the pusher 5. In this respect and as seen above, the pusher 5 is mounted in the actuating element offset from the pivot axis, on the same side with respect to this axis as the latch 4. Thus, a push on the pusher 5 is able to drive the actuating element to the tilted position C .

Le basculement du support de bascule 3 entraîne alors en rotation la tige de commutation 10, qui actionne l'élément de commutation.Tilting the flip-flop support 3 then rotates the switching rod 10, which actuates the switching element.

Il est intéressant de relever que cet enchaînement d'opérations peut être effectué d'un seul doigt. De plus, le déverrouillage favorise le basculement de l'élément d'actionnement vers la position souhaitée. Le commutateur à verrouillage selon l'invention est donc particulièrement ergonomique.It is interesting to note that this sequence of operations can be performed with one finger. In addition, the unlocking facilitates the tilting of the actuating element towards the desired position. The lock switch according to the invention is therefore particularly ergonomic.

Ainsi, comme l'actionnement résulte de la combinaison de deux mouvements, on évite tout risque d'actionnement accidentel du commutateur, mais, de par sa cinématique, l'actionnement reste intuitif et peut être effectué par l'opérateur rapidement et sans nécessiter une attention prolongée de sa part.Thus, as the actuation results from the combination of two movements, it avoids any risk of accidental actuation of the switch, but, by its kinematics, the actuation remains intuitive and can be performed by the operator quickly and without requiring a prolonged attention on his part.

Au relâchement de la pression sur le poussoir 5, ce dernier remonte sous l'action du ressort de rappel 6, et le verrou 4 commence à pivoter vers sa position initiale sous l'action du ressort 11, sans pour autant verrouiller le dispositif.At release of the pressure on the pusher 5, the latter rises under the action of the return spring 6, and the latch 4 begins to pivot to its initial position under the action of the spring 11, without locking the device.

Le retour du commutateur à la position A (figure 4) autorise la fin de la rotation du verrou 4 qui vient se loger sous le support de bascule 3 dans la zone X. Le commutateur est donc à nouveau verrouillé en position A.The return of the switch to position A ( figure 4 ) allows the end of the rotation of the latch 4 which is housed under the support of rocker 3 in the zone X. The switch is thus locked again in position A.

Selon une variante de l'invention, on peut profiter de la symétrie générale de l'ensemble par rapport à la position centrale A pour créer un verrouillage également dans le deuxième sens d'actionnement (de la position A vers la position B).According to a variant of the invention, one can take advantage of the general symmetry of the assembly relative to the central position A to create a lock also in the second direction of actuation (from position A to position B).

A cet effet, on installe dans une autre cavité 29 (voir figure 4) du plastron 1 du commutateur déjà décrit, un deuxième verrou et un deuxième appui élastique 30. Ce deuxième verrou et ce deuxième appui élastique 30 sont disposés à l'opposé du premier verrou 4 et du premier appui élastique 11 par rapport à l'axe de pivotement de l'élément d'actionnement 2, 3. De plus, on utilise un poussoir comportant un deuxième doigt qui coopère avec le deuxième verrou. Le deuxième verrou a une forme générale de U, dont la base est sollicitée par le deuxième appui élastique 30, une première branche est sollicitée par le deuxième doigt du poussoir, et l'autre branche est susceptible de s'interposer sur la trajectoire de l'élément d'actionnement 2, 3 vers la position B.For this purpose, one installs in another cavity 29 (see figure 4 ) of the plastron 1 of the switch already described, a second latch and a second elastic support 30. This second latch and second elastic support 30 are disposed opposite the first latch 4 and the first resilient support 11 relative to the axis pivoting of the actuating element 2, 3. In addition, a pusher having a second finger which cooperates with the second latch is used. The second latch has a general shape of U, the base of which is urged by the second elastic support 30, a first branch is urged by the second finger of the pusher, and the other branch is capable of interposing itself on the trajectory of the actuating element 2, 3 to position B.

Ainsi, en position A, le premier verrou 4 empêche le basculement de l'élément d'actionnement 2, 3 vers la position C, tandis que le deuxième verrou empêche le basculement de la position A vers la position B.Thus, in position A, the first latch 4 prevents the actuating element 2, 3 from tilting towards the position C, whereas the second latch prevents the tilting of the position A towards the position B.

Une pression sur le poussoir sollicite le premier verrou et le deuxième verrou et permet de dégager ceux-ci de la trajectoire de l'élément d'actionnement 2, 3.A pressure on the pusher solicits the first latch and the second latch and makes it possible to disengage these from the trajectory of the actuating element 2, 3.

En maintenant sa pression sur le poussoir 5, l'opérateur peut alors basculer l'élément d'actionnement 2, 3 vers la position d'actionnement B ou C souhaitée.By maintaining its pressure on the pusher 5, the operator can then switch the actuating element 2, 3 to the actuating position B or C desired.

On obtient ainsi un commutateur avec un double dispositif de verrouillage.This gives a switch with a double locking device.

Enfin, il va de soi que les exemples que l'on vient de donner ne sont que des illustrations particulières en aucun cas limitatives quant aux modalités d'exécution et aux domaines d'application de l'invention.Finally, it goes without saying that the examples that have just been given are only particular illustrations in no way limiting as to the manner of execution and the fields of application of the invention.

Claims (9)

- Commutateur comprenant : - un boîtier (1, 9), - un élément d'actionnement (2, 3) monté pivotant dans le boîtier (1, 9) et solidaire d'une tige de commande de commutation (10), apte à occuper une position centrale (A) et une position (C) basculée, - un poussoir (5) monté coulissant dans l'élément d'actionnement (2, 3) dans une direction rentrante / sortante sensiblement parallèle au plan de symétrie du basculement, caractérisé en ce qu'il comprend en outre un verrou (4) mobile (4) en basculement sur un appui élastique (11), ledit verrou (4) étant distinct du poussoir (5) et apte à prendre une première position où il est interposé sur la trajectoire de l'élément d'actionnement (2, 3), et une deuxième position où il coopère avec le poussoir (5) de telle sorte qu'une poussée sur le poussoir (5) sollicite le verrou (4) et permet de dégager celui-ci de la trajectoire de l'élément d'actionnement (2, 3) vers la position basculée (C).- Switch comprising: a housing (1, 9), - an actuating element (2, 3) pivotally mounted in the housing (1, 9) and integral with a switching control rod (10), able to occupy a central position (A) and a position (C) tilted, a pusher (5) slidably mounted in the actuating element (2, 3) in a re-entrant / outward direction substantially parallel to the plane of symmetry of the tilting, characterized in that it further comprises a latch (4) movable (4) tilting on a resilient support (11), said latch (4) being distinct from the pusher (5) and adapted to take a first position where it is interposed on the path of the actuating element (2, 3), and a second position where it cooperates with the pusher (5) so that a push on the pusher (5) biases the latch (4) and allows to disengage it from the path of the actuating element (2, 3) to the tilted position (C). - Commutateur selon la revendication 1, caractérisé en ce que le verrou (4) a une forme générale de U, dont la base (24) est sollicitée par l'appui élastique (11), une première branche (26) est sollicitée par un doigt (22) saillant à partir du poussoir (5) et l'autre branche (25) est apte à réaliser ladite interposition avec l'élément d'actionnement (2, 3).- Switch according to claim 1, characterized in that the latch (4) has a general shape of U, whose base (24) is urged by the resilient support (11), a first branch (26) is requested by a finger (22) protruding from the pusher (5) and the other leg (25) is adapted to perform said interposition with the actuating element (2, 3). - Commutateur selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que ladite autre branche (25) du verrou (4) coopère avec une ouverture (27) dans l'élément d'actionnement (2, 3).- Switch according to any one of claims 1 or 2, characterized in that said other leg (25) of the latch (4) cooperates with an opening (27) in the actuating element (2, 3). - Commutateur selon l'une quelconque des revendications 2 ou 3, caractérisé en ce que le doigt (22) s'étend dans une direction sensiblement parallèle à sa direction de coulissement et présente une face interne formant une rampe (23) inclinée qui coopère avec la première branche (26) du verrou (4) de telle sorte qu'une poussée sur le poussoir (5) entraîne le verrou (4) en rotation.- Switch according to any one of claims 2 or 3, characterized in that the finger (22) extends in a direction substantially parallel to its sliding direction and has an inner face forming an inclined ramp (23) which cooperates with the first leg (26) of the latch (4) so that a push on the pusher (5) drives the latch (4) in rotation. - Commutateur selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le poussoir (5) est monté dans l'élément d'actionnement (2, 3) décalé par rapport à l'axe de pivotement, de telle sorte qu'une poussée sur le poussoir (5) est apte à entraîner l'élément d'actionnement vers la position basculée (C).Switch according to any one of claims 1 to 4, characterized in that the pusher (5) is mounted in the actuating element (2, 3) offset with respect to the pivot axis, so that a push on the pusher (5) is able to drive the actuating element to the tilted position (C). - Commutateur selon l'une quelconque des revendications 1 à 5, caractérisé en ce que l'élément d'actionnement (2, 3) est apte à occuper une deuxième position basculée (B) à l'opposé de la position basculée (C).Switch according to any one of Claims 1 to 5, characterized in that the actuating element (2, 3) is capable of occupying a second pivoted position (B) opposite the tilted position (C). . - Commutateur selon la revendication 6, caractérisé en ce qu'il comprend un deuxième verrou apte à coopérer avec le poussoir et positionné à l'opposé du premier verrou (4) par rapport à l'axe de pivotement de l'élément d'actionnement (2, 3) de sorte qu'une poussée sur le poussoir (5) sollicite le premier et le deuxième verrou et permet de dégager ceux-ci de la trajectoire de l'élément d'actionnement (2, 3) vers l'une de ses positions basculées.- Switch according to claim 6, characterized in that it comprises a second latch adapted to cooperate with the pusher and positioned opposite the first latch (4) relative to the pivot axis of the actuating element (2, 3) so that a thrust on the pusher (5) biases the first and second latches and makes it possible to disengage them from the path of the actuating element (2, 3) towards one of its tilted positions. - Commutateur selon la revendication 7, caractérisé en ce que le deuxième verrou a une forme générale de U, dont la base est sollicitée par un appui élastique (30), une première branche est sollicitée par un doigt saillant à partir du poussoir et l'autre branche est susceptible de s'interposer sur la trajectoire de l'élément d'actionnement (2, 3).- Switch according to claim 7, characterized in that the second latch has a general shape of U, whose base is urged by a resilient support (30), a first branch is urged by a protruding finger from the pusher and the another branch is capable of interposing on the trajectory of the actuating element (2, 3). - Commutateur selon l'une des revendications 1 à 8, caractérisé en ce que le poussoir (5) est monté coulissant entre deux parois (18) de l'élément d'actionnement (2, 3), lesdites parois (18) formant des joues de protection empêchant un déverrouillage intempestif.- Switch according to one of claims 1 to 8, characterized in that the pusher (5) is slidably mounted between two walls (18) of the actuating element (2, 3), said walls (18) forming protective cheeks preventing inadvertent unlocking.
EP08101132A 2007-02-08 2008-01-31 Locking switch Active EP1956619B1 (en)

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CN (1) CN101241805B (en)
AT (1) ATE466371T1 (en)
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JP2004288440A (en) * 2003-03-20 2004-10-14 Pioneer Electronic Corp Switch for electronic equipment, electronic equipment, and manufacturing device for electronic equipment
EP1898437B1 (en) * 2006-09-05 2016-08-24 Defond Components Limited Electrical switch

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4947009A (en) 1987-10-28 1990-08-07 Mcgill Manufacturing Company, Inc. Conscious effort safety switch
US5380964A (en) 1993-10-18 1995-01-10 Deere & Company Switch assembly
DE4422475A1 (en) 1994-06-28 1996-01-04 Marquardt Gmbh Electric switch for vehicles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1898437B1 (en) * 2006-09-05 2016-08-24 Defond Components Limited Electrical switch

Also Published As

Publication number Publication date
ATE466371T1 (en) 2010-05-15
EP1956619B1 (en) 2010-04-28
US7868261B2 (en) 2011-01-11
CN101241805A (en) 2008-08-13
ES2343446T3 (en) 2010-07-30
FR2912543A1 (en) 2008-08-15
US20080190746A1 (en) 2008-08-14
CN101241805B (en) 2011-06-01
DE602008001056D1 (en) 2010-06-10

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