EP0789927B1 - Electric push switch - Google Patents

Electric push switch Download PDF

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Publication number
EP0789927B1
EP0789927B1 EP95935827A EP95935827A EP0789927B1 EP 0789927 B1 EP0789927 B1 EP 0789927B1 EP 95935827 A EP95935827 A EP 95935827A EP 95935827 A EP95935827 A EP 95935827A EP 0789927 B1 EP0789927 B1 EP 0789927B1
Authority
EP
European Patent Office
Prior art keywords
key
contact
contact spring
spring
switch according
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.)
Expired - Lifetime
Application number
EP95935827A
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German (de)
French (fr)
Other versions
EP0789927A1 (en
Inventor
Michael Geppert
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.)
Eaton Controls GmbH and Co KG
Original Assignee
Eaton Controls GmbH and Co KG
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 Eaton Controls GmbH and Co KG filed Critical Eaton Controls GmbH and Co KG
Publication of EP0789927A1 publication Critical patent/EP0789927A1/en
Application granted granted Critical
Publication of EP0789927B1 publication Critical patent/EP0789927B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02Details
    • H01H21/18Movable parts; Contacts mounted thereon
    • H01H21/22Operating parts, e.g. handle

Definitions

  • the invention relates to an electrical key switch with an actuatable about an eccentric axis Key, the at least one tab transmitting the actuation carries, and with a bearing in a connecting contacts Housing arranged, a punched contact tongue having contact spring.
  • From DE-GM 71 38 974 is an electrical push button known in which a bearing for the axis of rotation of the key arranged off-center and above a contact rail is.
  • the button has a tab on a resilient Contact tongue of a contact spring, which acts from the resilient Contact spring is cut free.
  • the contact spring is arranged approximately perpendicular to the button in the housing. she has only one fixed bearing, around which you can press the button by the influence of the tab on the button pivots.
  • the contact tongue is for the position of the button as well as the necessary contact pressure.
  • DE 34 21 021 C2 discloses an electrical one Push button switch with a button on the symmetrical two tabs are molded, between which a cam is attached which is alternately in two recesses of a contact spring bumps, causing a pivoting of the contact spring in their opposite switching position takes place.
  • the two tabs are spring-loaded and face the cam Sides shaped in such a way that after completion of the operation the cam returns to its zero position.
  • This Design of the tabs and the cam is relatively complex and requires high accuracy in manufacture.
  • the spring back of the cam is from the spring properties of the plastic and thus of its stability dependent.
  • the invention has for its object a switch to create the type mentioned at the beginning, without complicated Parts gets along, is easy to assemble, a safe one Offers shift feel and is also still small in structure.
  • buttons that lie in the direction of the axis are clip hooks integrally formed, which swivel in a circular arc with the button and molded on the cover, correspondingly running in a circular arc Reach behind clip shoulders. So that's the key can be installed as required, depending on the assembly process. For one, can the button as the last component in the already assembled Switches are used and is therefore protected from damage protected. Secondly, it is possible to press the button in insert the bezel before the switch closes becomes fluid around the assembly process in a production line to design.
  • the invention also facilitated when at least one of two tabs formed on the button on the button opposite end has a V-cut, from the Vertex from a driving mandrel of the switching element receiving slot in the tab towards the button is let in.
  • the components influencing the functional relationships should be integrally formed on one part to meet the assembly tolerances exclude, and by the location of the components to each other, the assembly sequence should be determined in order To rule out incorrect assembly.
  • a base is held, which led to the contact points Carries contacts, the base one the Contact spring aligning bracket and a switching element clamping switching element receptacle, both in Direction of the switch interior are arranged.
  • the holder expediently consists of two Support bearings, one support bearing on the opposite of the key End of the base and the other support bearing the end of the base facing the button at the transition to Aperture is arranged, and the support surfaces of the support bearing, on which the contact spring rests are approximately parallel aligned with the direction of actuation of the button.
  • the contact spring is thus through the adjustment dome and the lead-in slope has already been largely performed.
  • the contact spring suitably has the support bearing facing the button a wall towering above the supporting surface, on the one side surface the contact spring with a punched edge is present.
  • Solution consists of the switching element holder one of the two-part tilt bearing opposite the button and one close to the button on the wall towards molded on the tipping bearing web, the tipping bearing a V-shaped swivel seat and the locking bar a locking link has, which are aligned with each other such that the tip of the V-shaped swivel seat points away from the button, and a resting seat in the latching backdrop indicates the button, the rest seat oriented towards it Reset slope is assigned.
  • This will result in a reduction of the individual parts and thus a reduction in costs. Since the elements of the switching element receptacle to the Support bearings are molded, there is still a Simplification of the tool structure. About a change the reset slope can influence the operating force the key. The changes accordingly Reset force of the button.
  • the housing can be pre-assembled, and the switching element always in the same position in which the key is pressed is brought into operative connection, receives the switching element a three-point support with a secure, against shifting protected seat.
  • About the spring-loaded locking element is in cooperation with the reset slope or the Rest seat always ensures the same position.
  • the switching element comprises a spring-loaded, locking element interacting with the locking link receiving cylinder, one in the slot of the Has tab used driving mandrel, the key facing stump has a groove receiving the locking web, and the one acting on the contact tongue of the contact spring Cam is on the circumference of the cylinder in the direction of the base, and the opposite of the button
  • the blunt end of the cylinder is a two-part Tilting blade arranged in the two-part tilting bearing on the switching element mount.
  • a stable design of the contact spring is obtained when it has a closed outer shape.
  • Such Form is easy to produce in strips, with little waste arises, and the resilient alignment very easy aligned with the rolling direction of the strip can be. Therefore, another is advantageous Design the approximately rectangular contact spring with the end opposite the key in a corner one of the inclined sides of the holder matched, and that's in the other corner the adjustment dome of the holder receiving adjustment hole, wherein inside the contact spring is the contact tongue, whose the punched edge that was created in the free punching and facing the key a punch on the side surface of the wall of the Bracket is applied.
  • the contact tongue of the contact spring is preferred with a narrow bridge on the side facing away from the key Side attached to the contact spring, and the on Switch arranged cam acts on this web and presses the contact spring in the rest position of the button on the Support bearing on, a U-spring with its base on the web is attached, the contact leg pointing in the direction of the button wear the spring contact points at the ends.
  • the contact tongue can take measures according to the requirements be slightly resilient, what by a Width variation of the web is feasible.
  • the cam of the Switching element presses on the contact tongue and holds the contact spring firmly in the rest position on the support bearings, whereby there is always an equal distance. Finally can change the cross-section of the U-spring the contact tongue to be adapted to the current flowing through them.
  • the Function of the electrical key switch for the respective Component can be used in which it is installed.
  • the electric key switch part of a motor vehicle interior light, the housing, the bezel and the Socket parts of the motor vehicle interior light are, and the Aperture has a translucent area and an opaque one Area with an aperture through which the button protrudes.
  • the electrical key switch essentially consists of a rectangular housing 1, the one on its top circumferential edge 2 carries, on the clip connections 3 an aperture 4 is attached. At the opposite edge 2 The end of the housing 1 has a bevel 5, which allows the electric push button switch in swivel in an installation opening and by means of the click seat 6 and the detent spring 7 in the installation opening. Here is the bottom 8 of the edge 2 on the top the installation opening.
  • a base 9 is fixed, which on its the housing 1 flush outside carries the click seat 6. Out the base 9 protrude contacts 10, which are inside the base 9 an electrically conductive connection with injected Have punching tracks 11.
  • the aperture 4 On the housing 1 opposite Side, the aperture 4 has an aperture hole 12, through which a button 13 protrudes.
  • 1 is the Key 13 with the wide full line in the unactuated state shown, while the two-dot chain line 13 shows in the actuated state.
  • the key 13 pivots an off-center axis 14 and pivot with it at the same time tabs 16 fastened to the inside 15 of the button 13.
  • the tabs 16 of the button 13 protrude into the housing 1 and act there approximately parallel to the direction of actuation 19 the key 13 aligned, resiliently clamped Switching element 20, which is pivotable about the pivot point 21 is.
  • the fulcrum 21 of the switching element 20 lies opposite the axis 14 of the key 13.
  • a cam 22 am Switching element 20 acts on a punched-out contact tongue 18 a contact spring 17.
  • the contact spring 17 is approximately parallel to the direction of actuation 19 of the button 13 in Housing 1 used.
  • two lugs 24 are formed, which in the Project area of the aperture hole 12 and at its end carry an upward support cone 23.
  • the support cone 23 is not in the middle of the aperture hole 12. Its tip is also below the surface of the bezel 4.
  • the intersection between the central axis of the support cone 23 and its tip is the axis 14 around which the Key 13 pivots.
  • From the bottom is key 13 a notch 25 inserted with which the button 13 on the Support cone 23 is placed.
  • On the in the direction of the axis 14 lying side cheeks 26 of the button 13 are clip hooks 27 molded. This clip hook 27 pivot with the Button 13 in a circular arc around the axis 14.
  • clip shoulders 28 are formed, which are corresponding in the form of a circular arc run around the axis 14.
  • the button 13 Existing clip hooks 27 engage behind the clip shoulders 28 on the aperture 4 and thus place the button 13 off-center pivotable firmly.
  • tabs 16 are on the 29 V cuts 30 opposite end 13 of button 13 let in. From the apex 31 of the V-cut 30 runs a slot 33 in the direction of the button 13.
  • the slot 33 in the tab 16 takes a driving mandrel 32 of the switching element 20 on.
  • the depth of the slot 33 is made so long that the driving mandrel 32 in no position of the pivoting from button 13 and switching element 20 in slot base 34 to the system is coming.
  • the base 9 carrying the contacts 10 is in the housing 1 held.
  • the contacts 10 are on the punched tracks 11 continued to the contact points 35, which in The inside of the switch is exposed.
  • Has to hold the base 9 the housing on the one hand, has an insertion hole in the housing base 38 39 and on the other hand a notch in the housing wall 40 41 and continue in the opposite narrow sides of the housing 42 each have a housing groove 43.
  • the base 9 is of the open side of the housing 1 through the panel 4 in assembled state is covered in the housing 1 inserted.
  • a base spring 44 is inserted into the housing groove 43 inserted.
  • a socket wedge 45 comes in the insertion hole 39 in the housing base 38 for engagement and the base base 46 is congruent with the housing wall 40, which makes the electrical push button switch a closed Received outside wall.
  • the punching tracks 11 are injected into the base 9.
  • the base 9 has a base recess in its interior 47, on which the punching tracks 11 to the surface to step. In this area, the punching tracks 11 form the Contact points 35.
  • the base 9 continues to bear inside a bracket 36 and the alignment of the contact spring 17 a switching element receptacle that clamps the switching element 20 37.
  • the bracket 36 formed on the base 9 consists of two Support bearings 48, 49.
  • the support bearing 48 is located on the the button 13 facing end of the base 9 at the transition to Aperture 4.
  • the support bearing 49 lies on the button 13 opposite End of the base 9.
  • Each support bearing 48, 49 has a support surface 50 on which the contact spring 20 lies on.
  • the support surfaces 50 are on the same Height level of the base 9 and are approximately parallel to Actuating direction 19 of the button 13 aligned.
  • the support bearing 49 opposite the button 13 has an insertion slope projecting above the support surface 50 51 for the contact spring 17 and the other an adjustment dome 52 on which the contact spring 20 with its adjustment hole 53 is put on.
  • the support bearing 48 near the button 13 has a wall 54 which projects above the support surface 50. On one side surface 55 of the wall 54 lies with one Punching edge 56 on the contact spring 17. The contact spring 17 is thus through the alignment dome 52, the side surface 55 of the Wall 54 and the lead-in chamfer 51 out.
  • the switching element receptacle 37 attached to the base 9 is made on the one hand from a tilting bearing 57 and on the other hand from one Resting web 58.
  • the tilting bearing 57 is divided into two and is located opposite the button 13 on the base 9. It is symmetrical and each has a V-shaped Swivel seat 59, which is outside the width of the contact spring 17th lies.
  • the locking web 58 is the key 13 obvious to the Wall 54 integrally formed and points in the direction of the two-part Tilting bearing 57.
  • a latching link 60 is located in the latching web 58 let in, which has a rest seat 62.
  • the swivel seat 59 is arranged so that the tip 61 of the V-shaped swivel seat 59 from the button 13 points away, and the rest seat 62 in the rest 60 points to button 13.
  • the locking web 58 is between the rest seat 62 in the direction of the base 9 a reset slope 63 molded, the direction of action of the reset slope 63 is aligned with the rest seat 62.
  • the Reset slope 63 of the locking link 60 is still located a pressure point 64, with the help of which a more tactile Switching is made possible.
  • the switching element 20 consists of a middle between the Tilt bearings 57 and thus also arranged centrally to the latching link 60 Cylinder 66 as a central element.
  • Cylinder 66 On the circumference 69 of the cylinder 66 there are two driving mandrels 32 which in the slots 33 of the tabs 16 are inserted.
  • a groove 68 In the Key 13 facing stump 67 of cylinder 66 is a groove 68 recessed in the locking web 58 of the switching element receptacle 37 is slidably received. From the same Side of the stump 67 is a blind bore in the cylinder 66 72 inserted into which the locking element 65 is inserted is.
  • the locking element 65 consists of a pressure sleeve 73 which one end of a compression spring 74 receives while the other End of the compression spring 74 is supported on the bottom of the blind bore 72.
  • the cam 22 is fastened to the circumference 69 of the cylinder 66, which is aligned in the direction of the base 9. Of the Cam 22 acts on the contact tongue 18 of the contact spring 17.
  • the tilting cutting edge 71 which is divided into two, is located at the butt end 70 opposite the key 13 Cylinder 66.
  • the tilting cutting edge 71 is V-shaped, with a more acute angle than the tilt bearing 57. With the tilting cutting edge 71, the switching element 20 is in the Tilt bearing 57 used. In the non-actuated position lies the pressure sleeve 73 in the rest seat 62 and thus holds it Switching element 20 approximately parallel to the actuation direction 19 the button 13.
  • the contact spring present in the holder 36 in the base 9 17 has an approximately rectangular shape.
  • a corner is 75 at the end opposite the key 13 with a Inclined side 76 provided with the insertion slope 51 of the Bracket 36 is matched.
  • the adjustment hole 53 is located in the other corner 76 of the contact spring 17. In this Adjustment hole 53 dips the adjustment dome 52 of the holder 36 a.
  • the contact tongue inside the contact spring 17 18 is integral with the contact spring by means of punching produced.
  • the clearance has here in outer area also an almost rectangular one Shape.
  • a button is created by the punching 13 facing punch web 77.
  • the inner punch edge 56 of this The punch web 77 lies on the side surface 55 of the wall 54 the bracket 36.
  • a narrow bridge 78 is the freely stamped contact tongue 18 on the contact spring 17 in one piece, with the narrow web 78 on the Button 13 facing away from the contact spring 17.
  • a U-spring 79 is with its base 80 on the narrow bridge 78 attached, the contact leg 81 by means of slots 83 to twin contacts pointing in the direction of the button 13 are configured, the spring contact points 82 at the end carry.
  • the spring contact points 82 are by one on the Contact tongue 18 molded contact angle 84 realized.
  • the Tip 85 of the contact angle 84 is rounded with a radius, thus the contact angle 84 on the contact points 85 makes a perfect contact.
  • the button 13 in Operating direction 19 pressed, it pivots around Axis 14 to the bottom 86 of the key 13 on the bottom 87 of the aperture hole 12 strikes. By striking it the path of the button 13 is limited.
  • the switching element 20 pivots about the pivot point 21, and the locking element 65 comes out of its locking seat 62 and slides against the force of the compression spring 74 on the Reset slope 63 along.
  • FIGS. 10 and 11 show a motor vehicle interior light, in which the electrical pushbutton switch is implemented. So far the components are given the same designations as possible and assigned reference numbers.
  • the motor vehicle -Interior lamp consists of a housing 1 with a circumferential Edge 2, which is covered by an aperture 4.
  • the Aperture 4 has a translucent area 88 and one opaque area 89 and is in a two color Spraying process.
  • In the bezel is the aperture hole 12 from which the button 13 protrudes.
  • the Motor vehicle interior light is by means of the rest seat 6 and the detent spring 7 set in an installation opening.
  • a Socket 9 is inserted into the housing 1 and carries the Bracket 36 with the contact spring 17 and also the Switching element holder 37 with switching element 20.
  • the connecting contacts 10 are surrounded by a connector housing 90. Inside the Motor vehicle interior lights are still not shown Incandescent lamps below the translucent area 88. The connections to the light bulbs are made also via the punching tracks 11, which are at predetermined Places are led out of the base 9 and corresponding Have recordings for the light bulbs.
  • the electric one Key switch is therefore part of the motor vehicle interior light, the housing 1, the panel 4 and the base 9 Parts of the motor vehicle interior light are.
  • the aperture 4 has both a translucent area 88 behind which the lighting elements are located, and another the translucent Area 88 encompassing opaque area 89. This is in this opaque area 89 Aperture hole 12 through which the button 13 protrudes.

Description

Die Erfindung bezieht sich auf einen elektrischen Tastschalter mit einer um eine außermittige Achse betätigbaren Taste, die mindestens eine die Betätigung übertragende Lasche trägt, und mit einer in einem Anschlußkontakte tragenden Gehäuse angeordneten, eine freigestanzte Kontaktzunge aufweisenden Kontaktfeder.The invention relates to an electrical key switch with an actuatable about an eccentric axis Key, the at least one tab transmitting the actuation carries, and with a bearing in a connecting contacts Housing arranged, a punched contact tongue having contact spring.

Aus dem DE-GM 71 38 974 ist ein elektrischer Tastschalter bekannt, bei dem ein Lager für die Drehachse der Taste außermittig und oberhalb einer Kontaktschiene angeordnet ist. Die Taste besitzt eine Lasche, die auf eine federnde Kontaktzunge einer Kontaktfeder einwirkt, welche aus der federnden Kontaktfeder freigeschnitten ist. Die Kontaktfeder ist annähernd senkrecht zur Taste im Gehäuse angeordnet. Sie hat nur ein Festlager, um das sie beim Betätigen der Taste durch den Einfluß der an der Taste befindlichen Lasche schwenkt. Die Kontaktzunge ist für die Stellung der Taste sowie die nötige Kontaktanpreßkraft verantwortlich. Durch diesen Aufbau ist es erforderlich, daß der Boden des Gehäuses großflächig ausgebildet sein muß, und die Kontaktfeder eine komplizierte Form aufweist, um die Rücktellung sowie die Kontaktanpreßkraft zu gewährleisten. Bei Erwärmung durch Stromfluß durch die Kontaktfeder wird jedoch die Federkraft nachlassen, wodurch sich der Oberflächendurchgangswiderstand erhöht, was zu einem Aufschaukeln der Temperatur führt. From DE-GM 71 38 974 is an electrical push button known in which a bearing for the axis of rotation of the key arranged off-center and above a contact rail is. The button has a tab on a resilient Contact tongue of a contact spring, which acts from the resilient Contact spring is cut free. The contact spring is arranged approximately perpendicular to the button in the housing. she has only one fixed bearing, around which you can press the button by the influence of the tab on the button pivots. The contact tongue is for the position of the button as well as the necessary contact pressure. By this construction requires that the bottom of the housing must be formed over a large area, and the contact spring has a complicated shape to the default as well to ensure the contact pressure. When heated by However, current flow through the contact spring becomes the spring force decrease, which increases the surface volume resistance increases, which leads to an increase in temperature.

Weiterhin offenbart die DE 34 21 021 C2 einen elektrischen Tastschalter mit einer Taste, an der symmetrisch zwei Laschen angeformt sind, zwischen denen ein Nocken befestigt ist, der wechselweise in zwei Vertiefungen einer Kontaktfeder stößt, wodurch eine Schwenkung der Konaktfeder in ihre entgegengesetzte Schaltstellung erfolgt. Die beiden Laschen sind federnd ausgeführt und auf ihren dem Nocken zugekehrten Seiten derart ausgeformt, daß nach Beendigung der Betätigung der Nocken wieder in seine Null-Stellung zurückkehrt. Diese Ausgestaltung der Laschen und des Nocken ist relativ aufwendig und erfordert eine hohe Genauigkeit bei der Herstellung. Die Rückfederung des Nockens ist von den Federeigenschaften des Kunststoffes und damit von seiner Halterungsbeständigkeit abhängig.Furthermore, DE 34 21 021 C2 discloses an electrical one Push button switch with a button on the symmetrical two tabs are molded, between which a cam is attached which is alternately in two recesses of a contact spring bumps, causing a pivoting of the contact spring in their opposite switching position takes place. The two tabs are spring-loaded and face the cam Sides shaped in such a way that after completion of the operation the cam returns to its zero position. This Design of the tabs and the cam is relatively complex and requires high accuracy in manufacture. The spring back of the cam is from the spring properties of the plastic and thus of its stability dependent.

Der Erfindung liegt die Aufgabe zugrunde, einen Schalter der eingangs genannten Art zu schaffen, der ohne komplizierte Teile auskommt, leicht zu montieren ist, ein sicheres Schaltgefühl bietet und auBerdem noch klein im Aufbau ist.The invention has for its object a switch to create the type mentioned at the beginning, without complicated Parts gets along, is easy to assemble, a safe one Offers shift feel and is also still small in structure.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Lasche der Taste auf ein annähernd parallel zur Betätigungsrichtung der Taste ausgerichtetes, federnd eingespanntes und verschwenkbares Schaltglied wirkt, wobei der Drehpunkt des Schaltgliedes entgegengesetzt der Achse der Taste liegt, und das Schaltglied einen Nocken trägt, der die Kontaktzunge der parallel zur Betätigungsrichtung der Taste eingespannten Kontaktfeder beaufschlagt.This object is achieved in that the Tab the button on an approximately parallel to the direction of actuation button-aligned, spring-loaded and pivotable switching element acts, the fulcrum of the Switching element lies opposite the axis of the key, and the switching element carries a cam that the contact tongue of the clamped parallel to the direction of actuation of the button Contact spring applied.

Durch diese Maßnahmen ergeben sich eine Verringerung der an der Taste befestigten Teile, eine Verbesserung des Schaltgefühles, da dieses nicht mehr von den Federeigenschaften der elektrisch beaufschlagen Kontaktfeder abhängig ist, und eine Verkleinerung des Schalters, da die großflächige Kontaktfeder parallel zur Betätigungsrichtung des Schalters im Gehäuse eingesetzt ist.These measures result in a reduction in the parts attached to the button, an improvement of the switching feeling, since this no longer depends on the spring properties of the electrically apply contact spring is dependent, and a The switch is reduced in size because of the large contact spring parallel to the direction of actuation of the switch Housing is inserted.

Nach einer vorteilhaften Ausgestaltung der Erfindung ist an einer am Gehäuse gehalterten Blende ein Ansatz mit einem Stützkegel vorgesehen, auf dem sich die Taste mittels einer eingelassenen Kerbe abstützt, und an den seitlichen Wangen der Taste, die in Richtung der Achse liegen, sind Klipshaken angeformt, die mit der Taste kreisbogenförmig schwenken und an der Blende angeformte, ensprechend kreisbogenförmig verlaufende Klipsschultern hintergreifen. Sonach ist die Taste je nach Montageablauf beliebig montierbar. Zum einen kann die Taste als letztes Bauteil in den bereits fertigmontierten Schalter eingesetzt werden und ist daher vor Beschädigungen geschützt. Zum anderen ist es möglich, die Taste in die Blende einzusetzen, bevor der Schalter verschlossen wird, um den Montageablauf in einer Fertigungsstraße flüssig zu gestalten.According to an advantageous embodiment of the invention an aperture held on the housing an approach with a Support cone provided on which the button is located by means of a recessed notch supports, and on the side cheeks The buttons that lie in the direction of the axis are clip hooks integrally formed, which swivel in a circular arc with the button and molded on the cover, correspondingly running in a circular arc Reach behind clip shoulders. So that's the key can be installed as required, depending on the assembly process. For one, can the button as the last component in the already assembled Switches are used and is therefore protected from damage protected. Secondly, it is possible to press the button in insert the bezel before the switch closes becomes fluid around the assembly process in a production line to design.

Das Montieren der Taste in den fertig vormontierten Schalter bzw. das Zusammenfügen von der die Taste tragenden Blende mit dem Gehäuse wird nach einer vorteilhaften Weiterbildung der Erfindung auch dadurch erleichtert, wenn mindestens eine von zwei an der Taste angeformten Laschen an ihrem der Taste gegenüberliegenden Ende einen V-Einschnitt besitzt, von dessen Scheitel aus ein einen Mitnahmedorn des Schaltgliedes aufnehmender Schlitz in die Lasche in Richtung der Taste eingelassen ist.Mounting the button in the pre-assembled switch or the assembly of the panel carrying the button with the housing after an advantageous development the invention also facilitated when at least one of two tabs formed on the button on the button opposite end has a V-cut, from the Vertex from a driving mandrel of the switching element receiving slot in the tab towards the button is let in.

Die die Funktionszusammenhänge beeinflussenden Bauteile sollen einstückig an eir Teil angeformt sein, um die Montagetoleranzen auszuschließen, und durch die Lage der Bauteile zueinander soll die Montagefolge festgelegt werden, um Falschmontagen auszuschließen. Dazu ist bevorzugt im Gehäuse ein Sockel gehaltert, der die zu Kontaktpunkten weitergeführten Anschlußkontakte trägt, wobei der Sockel eine die Kontaktfeder ausrichtende Halterung und eine das Schaltglied einspannende Schaltglied-Aufnahme aufweist, die beide in Richtung des Schalterinneren angeordnet sind.The components influencing the functional relationships should be integrally formed on one part to meet the assembly tolerances exclude, and by the location of the components to each other, the assembly sequence should be determined in order To rule out incorrect assembly. This is preferred in the housing a base is held, which led to the contact points Carries contacts, the base one the Contact spring aligning bracket and a switching element clamping switching element receptacle, both in Direction of the switch interior are arranged.

Zweckmäßigerweise besteht dabei die Halterung aus zwei Stützlagern, wobei ein Stützlager an dem der Taste gegenüberliegenden Ende des Sockels und das andere Stützlager an dem der Taste zugewandten Ende des Sockels am Übergang zur Blende angeordnet ist,und die Stützflächen der Stützlager, auf denen die Kontaktfeder aufliegt, sind annähernd parallel zur Betätigungsrichtung der Taste ausgerichtet. Durch diese Maßnahme läßt sich der Schaltpunkt konstruktiv einfach bestimmen, da keine zusätzlichen Winkel berücksichtigt werden müssen, und die Kontaktfeder liegt stets eben auf. Ein einfaches Montieren der Einzelteile wirkt sich stets günstig auf den Preis aus. Auch wird dadurch in der Regel die Häufigkeit der Montagefehler verringert. Bevorzugt besitzt daher das der Taste gegenüberliegende Stützlager eine über die Stützfläche aufragende Einführschräge und trägt einen Justierdom, auf den die Kontaktfeder mit ihrem Justierloch aufgesetzt ist. Die Kontaktfeder ist somit durch den Justierdom und die Einführschräge bereits weitgehend geführt. Um das Verschwenken der Kontaktfeder noch weiter einzuengen, besitzt zweckmäßigerweise das der Taste zugewandte Stützlager eine über die Stützfläche aufragende Wand, an deren einer Seitenfläche die Kontaktfeder mit einer Stanzkante anliegt.The holder expediently consists of two Support bearings, one support bearing on the opposite of the key End of the base and the other support bearing the end of the base facing the button at the transition to Aperture is arranged, and the support surfaces of the support bearing, on which the contact spring rests are approximately parallel aligned with the direction of actuation of the button. Through this Measure, the switching point can be determined in a structurally simple manner, since no additional angles are taken into account must, and the contact spring is always flat. An easy Assembling the individual parts always has a favorable effect on the price. This also usually means the frequency the assembly error is reduced. Preferably owns hence the support bearing opposite the button one over the support surface protrudes and carries one Adjustment dome on which the contact spring with its adjustment hole is put on. The contact spring is thus through the adjustment dome and the lead-in slope has already been largely performed. To further restrict the pivoting of the contact spring, suitably has the support bearing facing the button a wall towering above the supporting surface, on the one side surface the contact spring with a punched edge is present.

Nach einer weiteren bevorzugten Ausgestaltung der erfindungsgemäßen Lösung besteht die Schaltglied-Aufnahme aus einem der Taste gegenüberliegeden, zweigeteilten Kipplager und einem der Taste naheliegenden, an der Wand in Richtung auf das Kipplager angeformten Raststeg, wobei das Kipplager einen V-förmigen Schwenksitz und der Raststeg eine Rastkulisse aufweist, die derart zueinander ausgerichtet sind, daß die Spitze des V-förmigen Schwenksitzes von der Taste wegweist, und ein Rastsitz in der Rastkulisse zur Taste hinweist, wobei dem Rastsitz eine zu diesem hin ausgerichtete Rückstellschräge zugeordnet ist. Hierdurch wird eine Verringerung der Einzelteile und somit eine Kostenreduzierung erreicht. Da die Elemente der Schaltglied-Aufnahme an die Stützlager mitangeformt sind, ergibt sich weiterhin eine Vereinfachung des Werkzeugaufbaues. Über eine Veränderung der Rückstellschräge kann Einfluß auf die Betätigungskraft der Taste genommen werden. Entsprechend ändert sich auch die Rückstellkraft der Taste.According to a further preferred embodiment of the invention Solution consists of the switching element holder one of the two-part tilt bearing opposite the button and one close to the button on the wall towards molded on the tipping bearing web, the tipping bearing a V-shaped swivel seat and the locking bar a locking link has, which are aligned with each other such that the tip of the V-shaped swivel seat points away from the button, and a resting seat in the latching backdrop indicates the button, the rest seat oriented towards it Reset slope is assigned. This will result in a reduction of the individual parts and thus a reduction in costs. Since the elements of the switching element receptacle to the Support bearings are molded, there is still a Simplification of the tool structure. About a change the reset slope can influence the operating force the key. The changes accordingly Reset force of the button.

Damit das Gehäuse vormontiert werden kann, und das Schaltglied stets die gleiche Lage einnimmt, in der die Taste mit ihm in Wirkverbindung gebracht wird, erhält das Schaltglied eine Dreipunktauflage mit einem sicheren,gegen das Verschieben geschützten Sitz. Über das federbelastete Rastelement wird in Zusammenwirkung mit der Rückstellschräge bzw. dem Rastsitz stets die gleiche Stellung gewährleistet. Zweckmäßigerweise umfaßt daher das Schaltglied einen ein federbelastetes, mit der Rastkulisse zusammenwirkendes Rastelement aufnehmenden Zylinder,der einen in den Schlitz der Lasche eingesetzten Mitnahmedorn besitzt, dessen der Taste zugewandter Stumpf eine den Raststeg aufnehmende Nut aufweist, und der die Kontaktzunge der Kontaktfeder beaufschlagende Nocken ist an dem Umfang des Zylinders in Richtung des Sockels angebracht, und am der Taste entgegengesetzten Stumpfende des Zylinders ist eine zweigeteilte Kippschneide angeordnet, die in das zweigeteilte Kipplager an der Schaltglied-Aufnahme eingreit. So that the housing can be pre-assembled, and the switching element always in the same position in which the key is pressed is brought into operative connection, receives the switching element a three-point support with a secure, against shifting protected seat. About the spring-loaded locking element is in cooperation with the reset slope or the Rest seat always ensures the same position. Conveniently therefore, the switching element comprises a spring-loaded, locking element interacting with the locking link receiving cylinder, one in the slot of the Has tab used driving mandrel, the key facing stump has a groove receiving the locking web, and the one acting on the contact tongue of the contact spring Cam is on the circumference of the cylinder in the direction of the base, and the opposite of the button The blunt end of the cylinder is a two-part Tilting blade arranged in the two-part tilting bearing on the switching element mount.

Eine stabile Ausführung der Kontaktfeder erhält man, wenn diese eine geschlossene äußere Form besitzt. Eine solche Form ist leicht im Streifen herstellbar, wobei wenig Verschnitt entsteht, und die federnde Ausrichtung sehr einfach mit der Walzrichtung des Bandes in Übereinstimmung gebracht werden kann. Daher ist nach einer weiteren vorteilhaften Ausgestaltung die annähernd rechteckförmige Kontaktfeder an ihrem der Taste gegenüberliegenden Ende an einer Ecke mit einer der Einführschräge der Halterung angeglichenen Schrägseite abgestimmt, und in der anderen Ecke befindet sich das den Justierdom der Halterung aufnehmende Justierloch, wobei im Innern der Kontaktfeder die Kontaktzunge liegt, deren bei der Freitstanzung entstandene, der Taste zugewandte Stanzkante eines Stanzsteges an der Seitenfläche der Wand der Halterung anliegt. Bevorzugt ist die Kontaktzunge der Kontaktfeder mit einem schmalen Steg an der der Taste abgewandten Seite an der Kontaktfeder befestigt, und der am Schaltglied angeordnete Nocken wirkt auf diesen Steg ein und preßt die Kontaktfeder in Ruhestellung der Taste an die Stützlager an, wobei am Steg eine U-Feder mit ihrer Basis befestigt ist, deren in Richtung der Taste weisende Kontaktschenkel endseitig die Federkontaktpunkte tragen. Durch diese Maßnahmen kann die Kontaktzunge den Erfordernissen entsprechend leicht federnd ausgebildet werden, was durch eine Breitenvariation des Steges durchführbar ist. Der Nocken des Schaltgliedes drückt auf die Kontaktzunge und hält die Kontaktfeder in der Ruhestellung auf den Stützlagern fest, wodurch stets ein gleicher Abstand vorhanden ist. Schließlich kann durch Änderung des Querschnittes der U-Feder die Kontaktzunge an den sie durchfließenden Strom angepaßt werden.A stable design of the contact spring is obtained when it has a closed outer shape. Such Form is easy to produce in strips, with little waste arises, and the resilient alignment very easy aligned with the rolling direction of the strip can be. Therefore, another is advantageous Design the approximately rectangular contact spring with the end opposite the key in a corner one of the inclined sides of the holder matched, and that's in the other corner the adjustment dome of the holder receiving adjustment hole, wherein inside the contact spring is the contact tongue, whose the punched edge that was created in the free punching and facing the key a punch on the side surface of the wall of the Bracket is applied. The contact tongue of the contact spring is preferred with a narrow bridge on the side facing away from the key Side attached to the contact spring, and the on Switch arranged cam acts on this web and presses the contact spring in the rest position of the button on the Support bearing on, a U-spring with its base on the web is attached, the contact leg pointing in the direction of the button wear the spring contact points at the ends. Through this The contact tongue can take measures according to the requirements be slightly resilient, what by a Width variation of the web is feasible. The cam of the Switching element presses on the contact tongue and holds the contact spring firmly in the rest position on the support bearings, whereby there is always an equal distance. Finally can change the cross-section of the U-spring the contact tongue to be adapted to the current flowing through them.

Selbstverständlich ist es möglich, den elektrischen Tastschalter in andere Bauelemente zu integrieren, wobei die Funktion des elektrischen Tastschalters für das jeweilige Bauelement ausgenutzt werden kann, in das er eingebaut ist. Nach einer vorteilhaften Ausführungsform der Erfindung ist daher der elektrische Tastschalter Bestandteil einer Kraftfahrzeug-Innenleuchte, wobei das Gehäuse, die Blende und der Sockel Teile der Kraftfahrzeug-Innenleuchte sind, und die Blende weist einen durchscheinenden Bereich und einen undurchsichtigen Bereich mit einem Blendenloch auf, durch das die Taste hindurchragt.Of course, it is possible to use the electrical push button integrate into other components, the Function of the electrical key switch for the respective Component can be used in which it is installed. According to an advantageous embodiment of the invention hence the electric key switch part of a motor vehicle interior light, the housing, the bezel and the Socket parts of the motor vehicle interior light are, and the Aperture has a translucent area and an opaque one Area with an aperture through which the button protrudes.

Der der Erfindung zugrundeliegende Gedanke wird in der nachfolgenden Beschreibung anhand zweier Ausführungsbeispiele, die in der Zeichnung dargestellt sind, näher erläutert. Es zeigt:

Fig. 1
eine Seitenansicht auf einen elektrischen Tastschalter gemäß der Erfindung,
Fig. 2
eine Ansicht auf den elektrischen Tastschalter in Richtung des Pfeiles II gemäß Fig. 1,
Fig. 3
einen Schnitt durch den elektrischen Tastschalter gemäß Fig. 2 entlang der Linie III-III im unbetätigten Zustand,
Fig. 4
einen Schnitt durch den elektrischen Tastschalter gemäß Fig. 3 im betätigten Zustand,
Fig. 5
einen Schnitt durch den elektrischen Tastschalter gemäß Fig. 2 entlang der Linie V-V im unbetätigten Zustand,
Fig. 6
einen Schnitt durch der lektrischen Tastschalter gemäß Fig. 5 im betätigten Zustand,
Fig. 7
einen Schnitt durch den elektrischen Tastschalter gemäß Fig. 3 entlang der Linie VII-VII,
Fig. 8
die Darstellung nach Fig. 7 ohne eingebautes Schaltglied,
Fig. 9
einen Teilschnitt durch die Darstellung nach Fig. 7 entlang der Linie IX-IX,
Fig. 10
eine Ansicht auf eine Kraftfahrzeug-Innenleuchte mit einem eingebauten elektrischen Tastschalter und
Fig.
11 einen Schnitt durch die Kraftfahrzeug-Innenleuchte gemäß Fig. 10 in Richtung des Pfeiles XI-XI.
The idea on which the invention is based is explained in more detail in the following description with reference to two exemplary embodiments which are shown in the drawing. It shows:
Fig. 1
a side view of an electrical key switch according to the invention,
Fig. 2
2 shows a view of the electrical pushbutton switch in the direction of arrow II according to FIG. 1,
Fig. 3
2 along the line III-III in the unactuated state,
Fig. 4
3 shows a section through the electrical pushbutton switch according to FIG. 3 in the actuated state,
Fig. 5
3 shows a section through the electrical pushbutton switch according to FIG. 2 along line VV in the unactuated state
Fig. 6
5 shows a section through the electrical pushbutton switch according to FIG. 5 in the actuated state,
Fig. 7
3 shows a section through the electrical pushbutton switch according to FIG. 3 along the line VII-VII,
Fig. 8
7 without built-in switching element,
Fig. 9
7 shows a partial section through the representation according to FIG. 7 along the line IX-IX,
Fig. 10
a view of a motor vehicle interior light with a built-in electrical push button and
Fig.
11 shows a section through the motor vehicle interior light according to FIG. 10 in the direction of the arrow XI-XI.

Der elektrische Tastschalter besteht im wesentlichen aus einem rechteckförmigen Gehäuse 1, das an seiner Oberseite einen umlaufenden Rand 2 trägt, an den über Klipsverbindungen 3 eine Blende 4 befestigt ist. An dem dem Rand 2 gegenüberliegenden Ende des Gehäuses 1 besitzt dieses eine Abschrägung 5, die es ermöglicht, den elektrischen Tastschalter in eine Einbauöffnung einzuschwenken und mittels des Rastsitzes 6 und der Rastfeder 7 in der Einbauöffnung festzulegen. Dabei liegt die Unterseite 8 des Randes 2 auf der Oberseite der Einbauöffnung an.The electrical key switch essentially consists of a rectangular housing 1, the one on its top circumferential edge 2 carries, on the clip connections 3 an aperture 4 is attached. At the opposite edge 2 The end of the housing 1 has a bevel 5, which allows the electric push button switch in swivel in an installation opening and by means of the click seat 6 and the detent spring 7 in the installation opening. Here is the bottom 8 of the edge 2 on the top the installation opening.

Im Gehäuse 1 ist ein Sockel 9 festgelegt, der auf seiner mit dem Gehäuse 1 bündigen Außenseite den Rastsitz 6 trägt. Aus dem Sockel 9 ragen Anschlußkontakte 10 hervor, die im Innern des Sockels 9 eine elektrisch leitende Verbindung mit eingespritzten Stanzbahnen 11 haben. Auf der dem Gehäuse 1 gegenüberliegenden Seite besitzt die Blende 4 ein Blendenloch 12, durch das eine Taste 13 hindurchragt. In der Fig. 1 ist die Taste 13 mit der breiten Vollinie im unbetätigten Zustand dargestellt, während die Strichzweipunktlinie die Taste 13 im betätigten Zustand zeigt. Dabei schwenkt die Taste 13 um eine außermittige Achse 14 und mit ihr schwenken gleichzeitig an der Innenseite 15 der Taste 13 befestigte Laschen 16. Die Laschen 16 der Taste 13 ragen in das Gehäuse 1 hinein und wirken dort auf ein annähernd parallel zur Betätigungsrichtung 19 der Taste 13 ausgerichtetes, federnd eingespanntes Schaltglied 20, welches um den Drehpunkt 21 verschwenkbar ist. Der Drehpunkt 21 des Schaltgliedes 20 liegt entgegengesetzt der Achse 14 der Taste 13. Ein Nocken 22 am Schaltglied 20 beaufschlagt eine freigestanzte Kontaktzunge 18 einer Kontaktfeder 17. Die Kontaktfeder 17 ist dabei annähernd parallel zur Betätigungsrichtung 19 der Taste 13 im Gehäuse 1 eingesetzt.In the housing 1, a base 9 is fixed, which on its the housing 1 flush outside carries the click seat 6. Out the base 9 protrude contacts 10, which are inside the base 9 an electrically conductive connection with injected Have punching tracks 11. On the housing 1 opposite Side, the aperture 4 has an aperture hole 12, through which a button 13 protrudes. 1 is the Key 13 with the wide full line in the unactuated state shown, while the two-dot chain line 13 shows in the actuated state. The key 13 pivots an off-center axis 14 and pivot with it at the same time tabs 16 fastened to the inside 15 of the button 13. The tabs 16 of the button 13 protrude into the housing 1 and act there approximately parallel to the direction of actuation 19 the key 13 aligned, resiliently clamped Switching element 20, which is pivotable about the pivot point 21 is. The fulcrum 21 of the switching element 20 lies opposite the axis 14 of the key 13. A cam 22 am Switching element 20 acts on a punched-out contact tongue 18 a contact spring 17. The contact spring 17 is approximately parallel to the direction of actuation 19 of the button 13 in Housing 1 used.

An der Blende 4 sind zwei Ansätze 24 angeformt, die in den Bereich des Blendenloches 12 hineinragen und an ihrem Ende einen nach oben gerichteten Stützkegel 23 tragen. Der Stützkegel 23 befindet sich nicht in der Mitte des Blendenloches 12. Seine Spitze ist auch unterhalb der Oberfläche der Blende 4. Der Schnittpunkt zwischen der Mittelachse des Stützkegels 23 und seiner Spitze ist die Achse 14, um die die Taste 13 schwenkt. Von der Unterseite ist in die Taste 13 eine Kerbe 25 eingelassen, mit der die Taste 13 auf den Stützkegel 23 aufgesetzt ist. An den in Richtung der Achse 14 liegenden seitlichen Wangen 26 der Taste 13 sind Klipshaken 27 angeformt. Diese Klipshaken 27 schwenken mit der Taste 13 kreisbogenförmig um die Achse 14. An der Blende 4 sind Klipsschultern 28 angeformt, welche entsprechend kreisbogenförmig um die Achse 14 verlaufen. Die an der Taste 13 vorhandenen Klipshaken 27 hintergreifen die Klipsschultern 28 an der Blende 4 und legen somit die Taste 13 außermittig verschwenkbar fest.On the panel 4 two lugs 24 are formed, which in the Project area of the aperture hole 12 and at its end carry an upward support cone 23. The support cone 23 is not in the middle of the aperture hole 12. Its tip is also below the surface of the bezel 4. The intersection between the central axis of the support cone 23 and its tip is the axis 14 around which the Key 13 pivots. From the bottom is key 13 a notch 25 inserted with which the button 13 on the Support cone 23 is placed. On the in the direction of the axis 14 lying side cheeks 26 of the button 13 are clip hooks 27 molded. This clip hook 27 pivot with the Button 13 in a circular arc around the axis 14. On the panel 4 clip shoulders 28 are formed, which are corresponding in the form of a circular arc run around the axis 14. The button 13 Existing clip hooks 27 engage behind the clip shoulders 28 on the aperture 4 and thus place the button 13 off-center pivotable firmly.

An den an der Taste 13 angeformten Laschen 16 sind an dem der Taste 13 gegenüberliegenden Ende 29 V-Einschnitte 30 eingelassen. Vom Scheitel 31 des V-Einschnittes 30 verläuft ein Schlitz 33 in Richtung der Taste 13. Der Schlitz 33 in der Lasche 16 nimmt einen Mitnahmedorn 32 des Schaltgliedes 20 auf. Die Tiefe des Schlitzes 33 ist so lang ausgeführt, daß der Mitnahmedorn 32 in keiner Stellung der Verschwenkung von Taste 13 und Schaltglied 20 im Schlitzgrund 34 zur Anlage kommt.At the molded on the button 13 tabs 16 are on the 29 V cuts 30 opposite end 13 of button 13 let in. From the apex 31 of the V-cut 30 runs a slot 33 in the direction of the button 13. The slot 33 in the tab 16 takes a driving mandrel 32 of the switching element 20 on. The depth of the slot 33 is made so long that the driving mandrel 32 in no position of the pivoting from button 13 and switching element 20 in slot base 34 to the system is coming.

Der die Anschlußkontakte 10 tragende Sockel 9 ist im Gehäuse 1 gehaltert. Die Anschlußkontakte 10 werden über die Stanzbahnen 11 zu den Kontaktpunkten 35 weitergeführt, welche im Schalterinnern frei liegen. Zur Halterung des Sockels 9 besitzt das Gehäuse einerseits im Gehäuseboden 38 ein Einsetzloch 39 und andererseits in der Gehäusewand 40 eine Ausklinkung 41 und weiterhin in den gegenüberliegenden Gehäuseschmalseiten 42 je eine Gehäusenut 43. Der Sockel 9 wird von der offenen Seite des Gehäuses 1, die durch die Blende 4 im zusammengebauten Zustand abgedeckt ist, in das Gehäuse 1 eingeschoben. Je eine Sockelfeder 44 wird dabei in die Gehäusenut 43 eingeschoben. Ein Sockelkeil 45 kommt im Einsetzloch 39 im Gehäuseboden 38 zum Eingriff und der Sockelboden 46 schließt deckungsgleich mit der Gehäusewand 40 ab, wodurch der elektrische Tastschalter eine geschlossene Außenwand erhält. Die Stanzbahnen 11 sind im Sockel 9 eingespritzt. Der Sockel 9 hat in seinem Innern eine Sockel ausnehmung 47, an der die Stanzbahnen 11 an die Oberfläche treten. In diesem Bereich bilden die Stanzbahnen 11 die Kontaktpunkte 35. Der Sockel 9 trägt weiterhin im Innern eine die Kontaktfeder 17 ausrichtetende Halterung 36 und eine das Schaltglied 20 einspannende Schaltglied-Aufnahme 37.The base 9 carrying the contacts 10 is in the housing 1 held. The contacts 10 are on the punched tracks 11 continued to the contact points 35, which in The inside of the switch is exposed. Has to hold the base 9 the housing, on the one hand, has an insertion hole in the housing base 38 39 and on the other hand a notch in the housing wall 40 41 and continue in the opposite narrow sides of the housing 42 each have a housing groove 43. The base 9 is of the open side of the housing 1 through the panel 4 in assembled state is covered in the housing 1 inserted. A base spring 44 is inserted into the housing groove 43 inserted. A socket wedge 45 comes in the insertion hole 39 in the housing base 38 for engagement and the base base 46 is congruent with the housing wall 40, which makes the electrical push button switch a closed Received outside wall. The punching tracks 11 are injected into the base 9. The base 9 has a base recess in its interior 47, on which the punching tracks 11 to the surface to step. In this area, the punching tracks 11 form the Contact points 35. The base 9 continues to bear inside a bracket 36 and the alignment of the contact spring 17 a switching element receptacle that clamps the switching element 20 37.

Die am Sockel 9 angeformte Halterung 36 besteht aus zwei Stützlagern 48, 49. Das Stützlager 48 befindet sich an dem der Taste 13 zugewandten Ende des Sockels 9 am Übergang zur Blende 4. Das Stützlager 49 liegt an dem der Taste 13 gegenüberliegenden Ende des Sockels 9. Jedes Stützlager 48, 49 besitzt eine Stützfläche 50, auf denen die Kontaktfeder 20 aufliegt. Die Stützflächen 50 befinden sich auf dem gleichen Höhenniveau des Sockels 9 und sind annähernd parallel zur Betätigungsrichtung 19 der Taste 13 ausgerichtet.The bracket 36 formed on the base 9 consists of two Support bearings 48, 49. The support bearing 48 is located on the the button 13 facing end of the base 9 at the transition to Aperture 4. The support bearing 49 lies on the button 13 opposite End of the base 9. Each support bearing 48, 49 has a support surface 50 on which the contact spring 20 lies on. The support surfaces 50 are on the same Height level of the base 9 and are approximately parallel to Actuating direction 19 of the button 13 aligned.

Das der Taste 13 gegenüberliegende Stützlager 49 weist zum einen eine über die Stützfläche 50 aufragende Einführschräge 51 für die Kontaktfeder 17 und zum anderen einen Justierdom 52 auf, auf den die Kontaktfeder 20 mit ihrem Justierloch 53 aufgesetzt wird. Das der Taste 13 naheliegende Stützlager 48 besitzt eine Wand 54, die über die Stützfläche 50 aufragt. An einer Seitenfläche 55 der Wand 54 legt sich mit einer Stanzkante 56 die Kontaktfeder 17 an. Die Kontaktfeder 17 ist somit durch den Justierdom 52, die Seitenfläche 55 der Wand 54 und die Einführschräge 51 geführt.The support bearing 49 opposite the button 13 has an insertion slope projecting above the support surface 50 51 for the contact spring 17 and the other an adjustment dome 52 on which the contact spring 20 with its adjustment hole 53 is put on. The support bearing 48 near the button 13 has a wall 54 which projects above the support surface 50. On one side surface 55 of the wall 54 lies with one Punching edge 56 on the contact spring 17. The contact spring 17 is thus through the alignment dome 52, the side surface 55 of the Wall 54 and the lead-in chamfer 51 out.

Die am Sockel 9 befestigte Schaltglied-Aufnahme 37 besteht zum einen aus einem Kipplager 57 und zum anderen aus einem Raststeg 58. Das Kipplager 57 ist zweigeteilt und befindet sich gegenüberliegend der Taste 13 auf dem Sockel 9. Es ist symmetrisch aufgebaut und besitzt je einen V-förmigen Schwenksitz 59, der außerhalb der Breite der Kontaktfeder 17 liegt. Der Raststeg 58 ist der Taste 13 naheliegend an der Wand 54 angeformt und weist in Richtung auf das zweigeteilte Kipplager 57. In dem Raststeg 58 ist eine Rastkulisse 60 eingelassen, die einen Rastsitz 62 aufweist. In der Schaltglied-Aufnahme 37 ist der Schwenksitz 59 so angeordnet, daß die Spitze 61 des V-förmigen Schwenksitzes 59 von der Taste 13 wegweist, und der Rastsitz 62 in der Rastkulisse 60 jedoch zur Taste 13 hinweist. In den Raststeg 58 ist zwischen dem Rastsitz 62 in Richtung des Sockels 9 eine Rückstellschräge 63 eingeformt, wobei die Wirkrichtung der Rückstellschräge 63 zum Rastsitz 62 hin ausgerichtet ist. In der Rückstellschräge 63 der Rastkulisse 60 befindet sich weiterhin ein Druckpunkt 64, mit dessen Hilfe ein taktileres Schalten ermöglicht wird.The switching element receptacle 37 attached to the base 9 is made on the one hand from a tilting bearing 57 and on the other hand from one Resting web 58. The tilting bearing 57 is divided into two and is located opposite the button 13 on the base 9. It is symmetrical and each has a V-shaped Swivel seat 59, which is outside the width of the contact spring 17th lies. The locking web 58 is the key 13 obvious to the Wall 54 integrally formed and points in the direction of the two-part Tilting bearing 57. A latching link 60 is located in the latching web 58 let in, which has a rest seat 62. In the switching element holder 37, the swivel seat 59 is arranged so that the tip 61 of the V-shaped swivel seat 59 from the button 13 points away, and the rest seat 62 in the rest 60 points to button 13. In the locking web 58 is between the rest seat 62 in the direction of the base 9 a reset slope 63 molded, the direction of action of the reset slope 63 is aligned with the rest seat 62. In the Reset slope 63 of the locking link 60 is still located a pressure point 64, with the help of which a more tactile Switching is made possible.

Das Schaltglied 20 besteht aus einem mittig zwischen den Kipplagern 57 und somit auch mittig zur Rastkulisse 60 angeordneten Zylinder 66 als zentrales Element. Am Umfang 69 des Zylinders 66 befinden sich zwei Mitnahmedorne 32, die in die Schlitze 33 der Laschen 16 eingesetzt sind. In den der Taste 13 zugewandten Stumpf 67 des Zylinders 66 ist eine Nut 68 eingelassen, in der der Raststeg 58 der Schaltglied-Aufnahme 37 gleitbeweglich aufgenommen wird. Von der gleichen Seite des Stumpfes 67 aus ist in den Zylinder 66 eine Sackbohrung 72 eingelassen, in die das Rastelement 65 eingesetzt ist. Das Rastelement 65 besteht aus einer Druckhülse 73, die ein Ende einer Druckfeder 74 aufnimmt, während sich das andere Ende der Druckfeder 74 am Boden der Sackbohrung 72 abstützt. Am Umfang 69 des Zylinders 66 ist der Nocken 22 befestigt, der in Richtung des Sockels 9 ausgerichtet ist. Der Nocken 22 beaufschlagt die Kontaktzunge 18 der Kontaktfeder 17. Die Kippschneide 71, welche zweigeteilt ist, befindet sich am der Taste 13 entgegengesetzten Stumpfende 70 des Zylinders 66. Die Kippschneide 71 ist V-förmig ausgeführt, wobei sie einen spitzeren Winkel besitzt als das Kipplager 57. Mit der Kippschneide 71 wird das Schaltglied 20 in das Kipplager 57 eingesetzt. In der nichtbetätigten Stellung liegt die Druckhülse 73 im Rastsitz 62 und hält somit das Schaltglied 20 annähernd parallel zur Betätigungsrichtung 19 der Taste 13.The switching element 20 consists of a middle between the Tilt bearings 57 and thus also arranged centrally to the latching link 60 Cylinder 66 as a central element. On the circumference 69 of the cylinder 66 there are two driving mandrels 32 which in the slots 33 of the tabs 16 are inserted. In the the Key 13 facing stump 67 of cylinder 66 is a groove 68 recessed in the locking web 58 of the switching element receptacle 37 is slidably received. From the same Side of the stump 67 is a blind bore in the cylinder 66 72 inserted into which the locking element 65 is inserted is. The locking element 65 consists of a pressure sleeve 73 which one end of a compression spring 74 receives while the other End of the compression spring 74 is supported on the bottom of the blind bore 72. The cam 22 is fastened to the circumference 69 of the cylinder 66, which is aligned in the direction of the base 9. Of the Cam 22 acts on the contact tongue 18 of the contact spring 17. The tilting cutting edge 71, which is divided into two, is located at the butt end 70 opposite the key 13 Cylinder 66. The tilting cutting edge 71 is V-shaped, with a more acute angle than the tilt bearing 57. With the tilting cutting edge 71, the switching element 20 is in the Tilt bearing 57 used. In the non-actuated position lies the pressure sleeve 73 in the rest seat 62 and thus holds it Switching element 20 approximately parallel to the actuation direction 19 the button 13.

Die in der Halterung 36 im Sockel 9 vorhandene Kontaktfeder 17 besitzt eine annähernd rechteckige Form. Eine Ecke 75 ist an dem der Taste 13 gegenüberliegenden Ende mit einer Schrägseite 76 versehen, die mit der Einführschräge 51 der Halterung 36 abgestimmt ist. Das Justierloch 53 befindet sich in der anderen Ecke 76 der Kontaktfeder 17. In dieses Justierloch 53 taucht der Justierdom 52 der Halterung 36 ein. Die im Innern der Kontaktfeder 17 vorhandene Kontaktzunge 18 ist einstückig mit der Kontaktfeder mittels Freistanzung hergestellt. Die Freistanzung besitzt hierbei im äußeren Bereich ebenfalls wiederum eine annähernd rechteckige Form. Durch die Freistanzung entsteht ein der Taste 13 zugewandter Stanzsteg 77. Die innere Stanzkante 56 dieses Stanzsteges 77 legt sich an der Seitenfläche 55 der Wand 54 der Halterung 36 an. Mit einem schmalen Steg 78 ist die frei gestanzte Kontaktzunge 18 an der Kontaktfeder 17 einstückig fest, wobei sich der schmaler Steg 78 an der der Taste 13 abgewandten Seite an der Kontaktfeder 17 befindet. Der Nocken 22, der sich am Zylinder 66 des Schaltgliedes 20 befindet, wirkt auf diesen schmalen Steg 78 ein. In der Ruhestellung des elektrischen Tastschalters wird die Kontaktfeder 17 bereits auf die Stützlager 48, 49 gepreßt. Eine U-Feder 79 ist mit ihrer Basis 80 an dem schmalen Steg 78 befestigt, wobei die Kontaktschenkel 81 mittels Schlitze 83 zu in Richtung der Taste 13 weisenden Zwillingskontakten ausgelegt sind, die endseitig die Federkontaktpunkte 82 tragen. Die Federkontaktpunkte 82 werden durch einen an der Kontaktzunge 18 angeformten Kontaktwinkel 84 realisiert. Die Spitze 85 des Kontaktwinkels 84 ist mit einem Radius verrundet, damit der Kontaktwinkel 84 auf den Kontaktpunkten 85 einen einwandfreien Kontakt ergibt. The contact spring present in the holder 36 in the base 9 17 has an approximately rectangular shape. A corner is 75 at the end opposite the key 13 with a Inclined side 76 provided with the insertion slope 51 of the Bracket 36 is matched. The adjustment hole 53 is located in the other corner 76 of the contact spring 17. In this Adjustment hole 53 dips the adjustment dome 52 of the holder 36 a. The contact tongue inside the contact spring 17 18 is integral with the contact spring by means of punching produced. The clearance has here in outer area also an almost rectangular one Shape. A button is created by the punching 13 facing punch web 77. The inner punch edge 56 of this The punch web 77 lies on the side surface 55 of the wall 54 the bracket 36. With a narrow bridge 78 is the freely stamped contact tongue 18 on the contact spring 17 in one piece, with the narrow web 78 on the Button 13 facing away from the contact spring 17. The cam 22, which is on the cylinder 66 of the switching element 20th is located, acts on this narrow web 78. In the The electrical pushbutton is in the rest position Contact spring 17 already pressed onto the support bearings 48, 49. A U-spring 79 is with its base 80 on the narrow bridge 78 attached, the contact leg 81 by means of slots 83 to twin contacts pointing in the direction of the button 13 are configured, the spring contact points 82 at the end carry. The spring contact points 82 are by one on the Contact tongue 18 molded contact angle 84 realized. The Tip 85 of the contact angle 84 is rounded with a radius, thus the contact angle 84 on the contact points 85 makes a perfect contact.

Im folgenden wird auf die Funktionsabläufe eingegangen, die aus den Fig. 3 bis 6 ersichtlich sind. Wird die Taste 13 in Betätigungsrichtung 19 gedrückt, so schwenkt diese um die Achse 14 bis die Unterseite 86 der Taste 13 auf dem Grund 87 des Blendenloches 12 anschlägt. Durch dieses Anschlagen ist der Weg der Taste 13 begrenzt. Beim Verschwenken der Taste 13 schwenken die Laschen 16 mit und nehmen die in ihren Schlitzen 33 eingesetzten Mitnahmedorne 32 des Schaltgliedes 20 mit. Das Schaltglied 20 schwenkt um den Drehpunkt 21, und das Rastelement 65 kommt aus seinem Rastsitz 62 heraus und gleitet entgegen der Kraft der Druckfeder 74 an der Rückstellschräge 63 entlang. Sobald die Druckhülse 73 den Druckpunkt 64 erreicht, steigt die in Betätigungsrichtung 19 aufzubringende Kraft an, wodurch der Benutzer einen sicher fühlbaren Schaltdruckpunkt erhält. Gleichzeitig mit dem Verschwenken des Schaltgliedes 20 drückt der Nocken 22 die Kontaktzunge 18 in Richtung der Kontaktpunkte 35. Bereits vor Beendigung der Verschwenkung des Schaltgliedes erreichen die Federkontaktpunkte 82 der Kontaktzunge 18 die Kontaktpunkte 35. Der weitere Überhub verbessert die sichere Kontaktgabe und bewirkt, daß sich die Federkontaktpunkte 82 auf den Kontaktpunkten 85 verschieben, was zu einer Selbstreinigung der Kontakte führt. Sobald die Taste 13 losgelassen wird, drückt das Schaltglied 20 unter Wirkung der Druckfeder 74 des Rastelementes 65 die Druckhülse 73 an der Rückstellschräge 63 entlang,bis diese im Rastsitz 62 zur Anlage kommt. Die federnde Kontaktzunge 18 hat sich durch ihre Federeigenschaften selbsttätig von den Kontaktpunkten 35 gelöst und ist in ihre Neutralstellung zurückgekehrt. Mit dem Schaltglied 20 wurde gleichzeitig die Taste 13 über die Mitnahmedorne 32 und die Laschen 16 zurückgestellt.In the following, the functional sequences are discussed, the 3 to 6 can be seen. If the button 13 in Operating direction 19 pressed, it pivots around Axis 14 to the bottom 86 of the key 13 on the bottom 87 of the aperture hole 12 strikes. By striking it the path of the button 13 is limited. When swiveling the button 13 pivot the tabs 16 and take them in theirs Slits 33 inserted driving mandrels 32 of the switching element 20 with. The switching element 20 pivots about the pivot point 21, and the locking element 65 comes out of its locking seat 62 and slides against the force of the compression spring 74 on the Reset slope 63 along. As soon as the pressure sleeve 73 the When pressure point 64 is reached, it increases in actuation direction 19 force to be applied, which makes the user safe tactile switching pressure point. Simultaneously with that Pivoting the switching element 20 presses the cam 22 Contact tongue 18 in the direction of the contact points 35. Already before swiveling the switching element the spring contact points 82 of the contact tongue 18 the contact points 35. The further overstroke improves the safe contact and causes the spring contact points 82 to open move the contact points 85, causing self-cleaning of contacts. As soon as button 13 is released is pressed, the switching member 20 under the action of the compression spring 74 of the locking element 65, the pressure sleeve 73 on the reset slope 63 along until it comes to rest in the seat 62 is coming. The resilient contact tongue 18 has by its spring properties automatically released from the contact points 35 and has returned to its neutral position. With the Switching element 20 was at the same time the button 13 on the driving mandrels 32 and the tabs 16 reset.

Die Figuren 10 und 11 zeigen eine Kraftfahrzeug-Innenleuchte, in der der elektrische Tastschalter realisiert ist. Soweit wie möglich sind hier den Bauteilen die gleichen Bezeichnungen und Bezugsnummern zugeteilt. Die Kraftfahrzeug -Innenleuchte besteht aus einem Gehäuse 1 mit einem umlaufenden Rand 2, der von einer Blende 4 überdeckt wird. Die Blende 4 hat einen durchscheinenden Bereich 88 und einen undurchsichtigen Bereich 89 und ist in einem Zwei farben -Spritzverfahren hergestellt. In der Blende befindet sich das Blendenloch 12 aus dem die Taste 13 herausragt. Die Kraftfahrzeug-Innenleuchte wird mittels des Rastsitzes 6 und der Rastfeder 7 in einer Einbauöffnung festgelegt. Ein Sockel 9 ist in das Gehäuse 1 eingeschoben und trägt die Halterung 36 mit der Kontaktfeder 17 und außerdem die Schaltglied-Aufnahme 37 mit dem Schaltglied 20. Im Sockel befinden sich die Stanzbahnen 11, welche Verbindungen mit den Anschlußkontakten 10 besitzen. Die Anschlußkontakte 10 sind von einem Steckergehäuse 90 umgeben. Im Innern der Kraftfahrzeug-Innenleuchte befinden sich weiterhin nichtdargestellte Glühlampen unterhalb des durchscheinenden Bereiches 88. Die Anschlußverbindungen zu den Glühlampen erfolgen ebenfalls über die Stanzbahnen 11, die an vorbestimmten Stellen aus dem Sockel 9 herausgeführt sind und entsprechende Aufnahmen für die Glühlampen aufweisen. Der elektrische Tastschalter ist somit Bestandteil der Kraftfahrzeug-Innenleuchte, wobei das Gehäuse 1, die Blende 4 und der Sockel 9 Teile der Kraftfahrzeug-Innenleuchte sind. Die Blende 4 hat sowohl einen durchscheinenden Bereich 88, hinter dem sich die Leuchtelemente befinden, und einen weiteren den durchscheinenden Bereich 88 umgreifenden undurchsichtigen Bereich 89. In diesem undurchsichtigen Bereich 89 befindet sich das Blendenloch 12, durch das die Taste 13 hindurchragt.FIGS. 10 and 11 show a motor vehicle interior light, in which the electrical pushbutton switch is implemented. So far the components are given the same designations as possible and assigned reference numbers. The motor vehicle -Interior lamp consists of a housing 1 with a circumferential Edge 2, which is covered by an aperture 4. The Aperture 4 has a translucent area 88 and one opaque area 89 and is in a two color Spraying process. In the bezel is the aperture hole 12 from which the button 13 protrudes. The Motor vehicle interior light is by means of the rest seat 6 and the detent spring 7 set in an installation opening. A Socket 9 is inserted into the housing 1 and carries the Bracket 36 with the contact spring 17 and also the Switching element holder 37 with switching element 20. In the base are the punching tracks 11, which connections with have the contacts 10. The connecting contacts 10 are surrounded by a connector housing 90. Inside the Motor vehicle interior lights are still not shown Incandescent lamps below the translucent area 88. The connections to the light bulbs are made also via the punching tracks 11, which are at predetermined Places are led out of the base 9 and corresponding Have recordings for the light bulbs. The electric one Key switch is therefore part of the motor vehicle interior light, the housing 1, the panel 4 and the base 9 Parts of the motor vehicle interior light are. The aperture 4 has both a translucent area 88 behind which the lighting elements are located, and another the translucent Area 88 encompassing opaque area 89. This is in this opaque area 89 Aperture hole 12 through which the button 13 protrudes.

Claims (12)

  1. Electric key switch, having a key (13) which is actuatable about an eccentric axis (14) and carries a link (16), which transfers the actuation, and having a contact spring (17), which is disposed in a housing (1) carrying connecting contacts (10) and comprises a freely stamped contact tongue (18), characterised in that the link (16) of the key (13) acts on a pivotable switching member (20), which is orientated approximately parallel to the direction of actuation (19) of the key (13) and is resiliently held in position, the pivot (21) of the switching member (20) lying opposite the axis (14) of the key (13), and the switching member (20) carrying a cam (22), which acts on the contact tongue (18) of the contact spring (17) held in position parallel to the direction of actuation (19) of the key (13).
  2. Electric key switch according to claim 1, characterised in that an extension (24), with a conical support (23), is provided on a diaphragm (4) mounted on the housing (1), on which extension the key (13) is supported by means of a recessed notch (25), and in that clip-in hooks (27) are moulded on the lateral walls (26) of the key (13), which walls lie in the direction of the axis (14), and said clip-in hooks pivot in an arcuate manner with the key (13) and engage behind clip-in shoulders (28), which are moulded on the diaphragm (4) and extend in a correspondindly arcuate manner.
  3. Electric key switch according to claim 1 or 2, characterised in that at least one of two links (16), which are shaped to fit on the key (13), has a V-shaped recess (30) on its end (29) situated opposite the key (13), from the junction point (31) of which V-shaped recess a slot (33) accommodating an entrainment spindle (32) of the switching member (20) is provided in the link (16) in the direction of the key (13).
  4. Electric key switch according to one of claims 1 to 3, characterised in that a socket (9) is mounted in the housing (1) and carries the connecting contacts (10) extending to contact points (35), the socket (9) having a holder (36), which aligns the contact spring (17), and a switching member receiver (37), which holds the switching member (20) in position, both components being disposed in the direction of the switch interior.
  5. Electric key switch according to claim 4, characterised in that the holder (36) comprises two support bearings (48, 49), one support bearing (49) being disposed on the end of the socket (9) situated opposite the key (13), and the other support bearing (48) being disposed on the end of the socket (9) facing the key (13) at the transition with the diaphragm (4), and in that the support faces (50) of the support bearings (48, 49), on which the contact spring (17) lies, are orientated approximately parallel to the direction of actuation (19) of the key (13).
  6. Electric key switch according to claim 5, characterised in that the support bearing (49), situated opposite the key (13), has an inclined insert (51) projecting beyond the support face (50) and carries an adjusting dome (52), upon which the contact spring (17) is placed with its adjusting aperture (53).
  7. Electric key switch according to one of claims 5 and 6, characterised in that the support bearing (48) facing the key (13) has a wall (54), which protrudes beyond the support face (50), and against a lateral face (55) of which wall the contact spring (17) abuts with a stamped edge (56).
  8. Electric key switch according to one of claims 4 to 7, characterised in that the switching member receiver (37) comprises a two-part pivot bearing (57), which is situated opposite the key (13), and a locking rib (58), which lies close to the key (13) and is moulded on the wall (54) in the direction of the pivot bearing (57), the pivot bearing (57) having a V-shaped pivotal seat (59), and the locking rib (58) having a locking detent member (60), which components are orientated towards each other so that the tip (61) of the V-shaped pivotal seat (59) points away from the key (13), and a locking seat (62) in the locking detent member (60) points towards the key (13), a backward inclination (63) being associated with the locking seat (62) and being orientated theretowards.
  9. Electric key switch according to claim 8, characterised in that the switching member (20) includes a cylinder (66), which accommodates a spring-loaded locking element (65) co-operating with the locking detent member (60), said cylinder having an entrainment spindle (32), which is inserted in the slot (33) of the link (16), the butt (67) of which spindle facing the key (13) has a groove (68) accommodating the locking rib (58), and in that the cam (22), acting on the contact tongue (18) of the contact spring (17), is attached to the periphery (69) of the cylinder (66) in the direction of the socket (9), and a two-part pivot edge (71), which engages in the two-part pivot bearing (57) on the switching member receiver (37), is disposed on the butt end (70) of the cylinder (66) opposite the key (13).
  10. Electric key switch according to one of claims 6 to 9, characterised in that the approximately rectangular contact spring (17) is adapted to a corner (75) with an inclined side (76) adapted to the inclined insert (51) of the holder (36) at its end situated opposite the key (13), and the adjusting aperture (53), which accommodates the adjusting dome (52) of the holder (36), is in the other corner (76), the freely stamped contact tongue (18) lying in the interior of the contact spring (17), the stamped edge (56) of a stamped web (77) facing the key (13) being produced during the freely stamping process and abutting against the lateral face (55) of the wall (54) of the holder (36).
  11. Electric key switch according to one of claims 5 to 10, characterised in that the contact tongue (18) of the contact spring (17) is secured to the contact spring (17) on the side remote from the key (13) by means of a narrow web (78), and the cam (22) disposed on the switching member (20) acts on this web (78), and the contact spring (17) presses against the support bearings (48, 49) in the resting position of the key (13), a U-shaped spring (79) being secured on the web (78) by means of its base (80), the contact portions (81) of said base pointing in the direction of the key (13) and carrying the spring contact points (82) on their ends.
  12. Electric key switch according to one of claims 4 to 11, characterised in that the key switch is a component part of an automotive vehicle interior light, the housing (1), the diaphragm (4) and the socket (9) being parts of the automotive vehicle interior light, and the diaphragm (4) comprising a transparent region (88) and an opaque region (89) with a diaphragm aperture (12) through which the key (13) protrudes.
EP95935827A 1994-11-02 1995-10-26 Electric push switch Expired - Lifetime EP0789927B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4439008A DE4439008C2 (en) 1994-11-02 1994-11-02 Electrical push button
DE4439008 1994-11-02
PCT/DE1995/001510 WO1996014648A1 (en) 1994-11-02 1995-10-26 Electric push switch

Publications (2)

Publication Number Publication Date
EP0789927A1 EP0789927A1 (en) 1997-08-20
EP0789927B1 true EP0789927B1 (en) 1998-06-17

Family

ID=6532223

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95935827A Expired - Lifetime EP0789927B1 (en) 1994-11-02 1995-10-26 Electric push switch

Country Status (6)

Country Link
US (1) US5860516A (en)
EP (1) EP0789927B1 (en)
JP (1) JPH10508422A (en)
DE (2) DE4439008C2 (en)
ES (1) ES2120239T3 (en)
WO (1) WO1996014648A1 (en)

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DE19936195C1 (en) * 1999-07-31 2000-12-07 Eaton Corp Electric push-button switch has projection of operating button cooperating with guide for closure of switch contact extending parallel to operating direction of operating button

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JP4461033B2 (en) * 2005-01-27 2010-05-12 アルプス電気株式会社 Switch device
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DE19936195C1 (en) * 1999-07-31 2000-12-07 Eaton Corp Electric push-button switch has projection of operating button cooperating with guide for closure of switch contact extending parallel to operating direction of operating button

Also Published As

Publication number Publication date
WO1996014648A1 (en) 1996-05-17
ES2120239T3 (en) 1998-10-16
DE4439008A1 (en) 1996-05-09
JPH10508422A (en) 1998-08-18
US5860516A (en) 1999-01-19
DE4439008C2 (en) 1999-05-27
EP0789927A1 (en) 1997-08-20
DE59502619D1 (en) 1998-07-23

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