EP1440455B1 - Electric switch - Google Patents

Electric switch Download PDF

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Publication number
EP1440455B1
EP1440455B1 EP02802601A EP02802601A EP1440455B1 EP 1440455 B1 EP1440455 B1 EP 1440455B1 EP 02802601 A EP02802601 A EP 02802601A EP 02802601 A EP02802601 A EP 02802601A EP 1440455 B1 EP1440455 B1 EP 1440455B1
Authority
EP
European Patent Office
Prior art keywords
lever
contact
switching
actuation member
switch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP02802601A
Other languages
German (de)
French (fr)
Other versions
EP1440455A2 (en
Inventor
Ralph Wolber
Rainer Kizele
Heinrich Müller
Thomas Mejerl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marquardt GmbH
Original Assignee
Marquardt GmbH
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Filing date
Publication date
Application filed by Marquardt GmbH filed Critical Marquardt GmbH
Publication of EP1440455A2 publication Critical patent/EP1440455A2/en
Application granted granted Critical
Publication of EP1440455B1 publication Critical patent/EP1440455B1/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
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/50Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/56Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force
    • H01H13/60Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force with contact-driving member moved alternately in opposite directions
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02Details
    • H01H13/12Movable parts; Contacts mounted thereon
    • H01H13/20Driving mechanisms
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/50Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/56Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force
    • H01H13/562Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force making use of a heart shaped cam
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0072Details of switching devices, not covered by groups H01H1/00 - H01H7/00 particular to three-phase switches

Definitions

  • the invention relates to an electrical switch according to the preamble of patent claim 1.
  • Electric switches serve as a power switch.
  • the switch must be suitable for switching a high load.
  • Such an electrical switch is known for example from DE 42 02 214 A1.
  • This switch has a contact system consisting of a movable switching contact and at least one fixed contact.
  • the switch has a movable between an output and an actuating position actuating member which cooperates in its movement with the switching contact for switching the contact system.
  • a movable latching means cooperate latching with the actuator in the operating position.
  • GB 2 110 472 A discloses an electrical switch with a contact system consisting of a movable switching contact and fixed contacts.
  • a movable actuator acts in its movement with the switching contact for switching the contact system together.
  • the actuator is operatively connected to a spring-loaded lever in that the lever passes through a receptacle in the actuating member approximately transversely, such that the lever performs a pivoting movement during movement of the actuating member.
  • the pivoting movement of the lever in turn moves the switching contact for switching.
  • this switch has an implementation of the traversed by the actuator path through the lever.
  • the pivoting movement of the lever in particular on the spring bearing, afflicted with considerable tolerance problems and leadership inaccuracies, which in turn increases the required stroke of the actuator and the actuating force.
  • these problems prevent the use of the switch for higher performance.
  • the invention is based on the GB 2 110 472 A the task of specifying a suitable for switching high power electrical switch with a small actuation path.
  • the electric switch should be used as a power switch in equipped with short-stroke keys panels to be adapted to the operating philosophy of today's home appliances.
  • the operating force for the electrical switch should not increase significantly.
  • the actuating member is in operative connection with a lever, such that the lever performs a pivoting movement during movement of the actuating member.
  • the pivoting movement of the lever in turn moves the switching contact for switching. Due to the pivotal movement of the lever, a magnification translation of the path traveled by the actuator is achieved, so that even a small actuation travel of the actuator, the switching contact with a sufficiently large way emotional.
  • a contact opening width of more than 3 mm is made possible even with a short actuating travel, so that the switch according to the invention is suitable both for switching high loads and control currents.
  • the contact force in the switch according to the invention is not in a direct or only in a weak relationship to the operating force, so that at most a slight influence of the contact force on the operating force can occur.
  • a rocker is also pivotally mounted on the actuator.
  • the rocker attacks by means of an arm on the lever for producing the operative connection.
  • a clamped with one end on the lever spring element cooperates with the other projecting end with the rocker.
  • the housing having a switch may have a plurality of contact systems, each with a switching contact.
  • a two-pole design with at least two contact systems offers.
  • a common lever is used to move the switch contacts.
  • the required actuating path for fail-safe Switching achieved on the contact system.
  • no additional space in the housing of the switch is needed for this, but rather the switch for high loads can be provided with a small housing.
  • the lever may be rotatably mounted on a bearing in the housing of the switch.
  • the lever is designed as a one-armed lever.
  • the bearing is then located at one end of the lever.
  • the contact system is designed as a snap-contact system.
  • the switching contact is designed as a snap-switching contact, so that the switching contact switches over when snapping the lever between its two end positions.
  • the switching contact is pivotably mounted in a knife-edge bearing, which can be arranged for example on an electrical connection.
  • a tension spring is attached at one end to the switch contact and at the other end to the lever. The attachment to the lever may be on the opposite side of the bearing of the lever.
  • a snap-contact system offers over a different contact system lower actuation forces and a lower noise.
  • the electrical switch is configured as a short-stroke pressure switch.
  • the actuator is designed as a substantially linearly movable pusher.
  • the pusher is movable against the force of a spring and projects with a part of the housing for the user manually accessible.
  • the actuator is manually movable by the user between an output and an actuated position to switch the contact system. After switching the contact system, the actuator can automatically return to the starting position.
  • the actuator may be held in the respective position until the next operation by the actuator is locked in the operating position by a latching means.
  • the switching positions of the snap-contact system can also be configured as locking positions, for which purpose the rocker is pivotally mounted on the actuating member.
  • the arm on the rocker expediently attacks a kind of link on the lever for producing the operative connection.
  • the spring element is clamped at one end to the lever on the opposite side of the bearing of the lever.
  • the spring element is in particular a leaf spring or a wire spring. The spring element cooperates with the other projecting end with the rocker by the projecting end engages in a slot on the rocker.
  • the size of the switch in the longitudinal direction or transverse direction with respect to the direction of movement of the actuating element can be optimized.
  • the lever and / or the switching contact can be arranged approximately parallel or approximately perpendicular to the direction of movement of the actuating member.
  • it also offers to design the lever in approximately bifurcated with two opposing bearings.
  • the advantages achieved by the invention are in particular that the switch can be operated with a short actuation path.
  • the short-stroke switch according to the invention allows a uniform operating philosophy, for example in domestic appliances, where in addition a short-stroke circuit breaker for the network separation can be used in the control panel with the usual short-stroke keys for the logic controller.
  • the switch achieves a large contact opening width.
  • the switch according to the invention can be used universally, since both high loads and control currents can be switched.
  • a defined time offset between the contacts is possible.
  • the contact erosion of the contact system plays a subordinate role during the life of the switch, in particular, the switching point of the contact system remains approximately constant over the life.
  • an electrical switch 1 according to a first embodiment is shown, which is suitable for switching a high load, the switch 1 can be used for example as a power switch for an electrical appliance.
  • the switch 1 has a in Fig. 1 only schematically and broken illustrated the housing 2, which consists of a lid 3 and a base 4. At the top of the lid 3, an actuator 5 projects out of the housing 2. The protruding from the housing 2 part of the actuator 5 is accessible to the user for manual operation of the switch 1.
  • the actuator 5 is presently designed as a against the force of a spring 20 in a substantially linearly movable pusher, as shown in Fig. 4 can be seen.
  • At the bottom in the base 4 are the visible in Fig. 3 electrical connections 6 of the switch first
  • the switch 1 has a three-pole contact system 7, as can be seen from FIG.
  • the contact system 7 consists of a movable switching contact 8 and at least one fixed contact 9, which are in each case in communication with an electrical connection 6.
  • the actuator 5 is manually movable between an output and an actuating position, wherein the actuator 5 cooperates in its movement with the switching contact 8 for switching the contact system 7.
  • the contact system 7 in the switched-on state, in that the switching contact 8 rests against the fixed contact 9.
  • the switching contact 8 is removed from the fixed contact 9, so that the contact system 7 is located in the off state.
  • the contact system can also be designed such that the switching contact switches over during movement of the actuating member between two fixed contacts, which is not shown further
  • the switch 1 further comprises a lever 10 which is located in the housing 2, as can be seen in more detail in Fig. 1.
  • the actuator 5 is in operative connection with the lever 10, in such a way that the lever 10 performs a pivoting movement during movement of the actuating member 5.
  • the pivoting movement of the lever 10 in turn moves the switching contact 8 for switching the contact system 7, as can be seen from FIG.
  • a second embodiment of the invention is a detent switch and the switch 1 has a cooperating with the actuator 5 in the operating position cooperating, movable latching means 11, which can be seen in Fig. 2.
  • the pivotal movement of the lever 10 moves in this case, in turn, the locking means 11 for locking.
  • the lever 10 is, as shown in more detail from Fig. 3, designed as a one-armed lever. At one end of the lever 10 is a bearing 12 for rotatably supporting the lever 10 in the housing 2 of the switch 1.
  • the receptacle 13 for the bearing 12 is located in the base 4, wherein the bearing 12 is suitably clipped into the receptacle 13.
  • the switching contact 8 is configured rocker-shaped and mounted approximately centrally in a cutting bearing 17.
  • One end of the lever 10 and that the bearing 12 of the lever 10 opposite end is applied with an elastic force applied to the switching contact 8.
  • the lever 10 has a sleeve 14.
  • a compression spring 15 for exerting the elastic force is arranged in the sleeve 14.
  • the compression spring 15 acts on a control cam 16 and the control cam 16 finally acts on the switching contact 8. Is the control cam 16 beyond the one side of the cutting edge bearing 17, namely, as seen in Fig. 3, on the left side of the rocker-shaped switching contact 8, so located the contact system 7 in the power-on state.
  • the contact system 7 is in the switch-off state. Since, as already mentioned, this is a three-pole contact system 7, the lever 10 is correspondingly elongated with two bearings 12. In this case, three sleeves 14 together with the control cam 16 for the three switching contacts 8 are arranged side by side on the lever 10, as shown in FIG. 1 and FIG. 4 can be seen.
  • the latching means 11 consists of an approximately heart-shaped latching curve 18 and an engaging in the latching cam 18 pin 19.
  • the latching curve 18, which is visible in Fig. 4, is on one side of the lever 10, on the front side, the bearing 12 approximately opposite, arranged.
  • the pin 19, which can be seen in Fig. 2, is designed approximately in the manner of a bracket, wherein one end of the bracket in the housing 2, and that is held on the base 4 of the switch 1 and the other end of the bracket than actual Pin 19 engages in the latching curve 18.
  • the latching cam 18 is movable by means of the lever 10, so that the pin 19 is acted upon movement of the latching cam 18 with one of the deflection by the latching cam 18 oppositely directed, elastic force.
  • the actuating member 5 is held latching in the operating position in a known manner.
  • the latching cam in the housing of the switch fixed and the pin can be arranged movable by means of the lever, which is not shown further.
  • a receptacle 21 which is disposed on the located in the interior of the housing 2 of the switch 1 part of the actuator 5.
  • the lever 10 passes through the receptacle 21 approximately transversely to the direction of movement of the actuating member 5. If now the actuator 5 is moved, the lever 10 is taken in the receptacle 21 and thereby pivoted.
  • FIG. 5 An inventive electrical switch 1 according to a second embodiment is shown in exploded view in Fig. 5.
  • the switch 1 in turn has a housing 2 which consists of a lid 3 and a base 4. On one side of the lid 3, an actuator 5 projects out of the housing 2.
  • the actuator 5 is presently designed as a substantially linearly movable pusher on one side of the base 4 protrude electrical connections 6 of the switch 1 out, as can be seen in particular in Figs. 9 or 10
  • the switch 1 has a two-pole contact system 7, which is apparent from Fig. 6
  • the contact system 7 consists of a movable switching contact 8 and at least one fixed contact 9, which are each connected to an electrical connection 6.
  • the actuator 5 cooperates with the switching contact 8 for switching the contact system 7, between a switch-on state of the contact system 7 shown in Fig. 8, in which the switch contact 8 is applied to the fixed contact 9, and a in Fig. 7 shown off state of the contact system 7, in which the switching contact 8 is removed from the fixed contact 9.
  • the contact system can also be designed such that the switching contact switches over during movement of the actuating member between two fixed contacts, which is not shown further.
  • the switch 1 further comprises a lever 10 which is located in the housing 2.
  • the actuator 5 is in operative connection with the lever 10, in such a way that the lever 10 performs a pivoting movement between two end positions during movement of the actuating member 5, which is apparent from FIGS. 7 and 8.
  • the pivotal movement of the lever 10 in turn moves the switching contact 8 to switch the contact system 7. Due to the transmission of the movement of the actuator 5 via the lever 10 to the switching contact 8 a magnification translation of the path covered by the actuator 5 is achieved. As a result, large paths for the switching contact 8 are made possible even with a small path of the actuator 5 in the manual movement, so that high power by means of the contact system 7 are switchable. Further expedient embodiments of the switch 1 according to the further embodiment are explained in more detail below.
  • the lever 10 is, as more closely apparent from Fig. 7, designed in the manner of a one-armed lever.
  • a bearing 12 for rotatably supporting the lever 10 in the housing 2 of the switch 1.
  • the receptacle 13 for the bearing 12 is located in the base 4, wherein the bearing 12 is suitably clipped into the receptacle 13.
  • the contact system 7 is a snap-contact system in that the switching contact 8 is configured as a snap-action switching contact, as can be seen in FIG. 9.
  • the switching contact 8 is mounted pivotably in a cutting bearing 22 located at an electrical connection 6.
  • An elastic means in the present case a tension spring 23, is fastened at one end to the switching contact 8 and at the other end to the lever 10.
  • the tension spring 23 is hooked by means of end hooks in corresponding eyelets both on the switching contact 8 and the lever 10.
  • the eyelet on the lever 10 for fastening the tension spring 23 is located on the bearing 12 of the lever 10 opposite side, as shown in FIG. 7 can be seen.
  • the design of the switching contact 8 as a snap-StchaltWallet causes the switching contact 8 then switching over when moving the lever 10 between the two end positions snap.
  • the actuator 5 of the switch 1 is, as already mentioned, designed as a substantially linearly movable pusher, which is moved by appropriate manual action of the user.
  • the lever 10 and / or the switching contact 8 and thus the contact system 7 is arranged approximately parallel to the direction of movement of the actuator 5, as can be seen with reference to FIG. 9
  • the lever 10 and / or the switching contact 8 also approximately perpendicular to the direction of movement be arranged of the actuator 5, which is not shown.
  • a rocker 24 serves to pivot the lever 10.
  • the rocker 24 is pivotally mounted on the actuating member 5 and engages by means of an arm 25 on the lever 10 to the operative connection between the Actuator 5 and the lever 10 produce.
  • the point of attack on the lever 10 is, as is particularly visible in Fig. 10, configured in the manner of a link 26 so that the pivoting of the rocker 24 in turn causes a pivoting of the lever 10 during movement of the actuating member 5.
  • a visible in Fig. 7 spring element 27 is clamped with its one end to the lever 10, on the bearing 12 of the lever 10 opposite side.
  • the spring element 27 is preferably designed in the manner of a leaf spring or a wire spring, as can be seen from FIG. 5. With its other projecting end, the spring element 27 cooperates with the rocker 24 such that the lever 10 is alternately pivoted upon movement of the actuating member 5 of the one end position in the other end position.
  • On the rocker 24 is a receptacle 28 with a slot 29 for the projecting end of the spring element 27, as can be seen with reference to FIG.
  • the contact system 7 is in the switch-on or in the off state.
  • the actuating member 5 is moved between an initial and an actuating position, but the actuator 5 automatically returns to the starting position after switching.
  • the actuator 5 takes both in the on and in the off state of the contact system 7 the same position, namely the starting position, whereby the switch 1 is configured according to the second embodiment in the manner of a "push-push" switch.
  • the switch 1 according to the first embodiment however, the actuator 5 remains in the respective position by the actuator 5 is locked in the operating position.

Landscapes

  • Push-Button Switches (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Switches With Compound Operations (AREA)
  • Saccharide Compounds (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Glass Compositions (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)

Abstract

Pushing the rod (5) swings a lever (10), and operates the moving switch contact (8) and/or latch (11) with increased velocity ratio on the return path..

Description

Die Erfindung betrifft einen elektrischen Schalter nach dem Oberbegriff des Patentanspruchs 1.The invention relates to an electrical switch according to the preamble of patent claim 1.

In Elektro- sowie Hausgeräten, beispielsweise Waschmaschinen, Geschirrspülmaschinen o. dgl., dienen elektrische Schalter als Netzschalter. Hierzu muss der Schalter zum Schalten einer hohen Last geeignet sein.In electrical and domestic appliances, such as washing machines, dishwashers o. The like., Electric switches serve as a power switch. For this purpose, the switch must be suitable for switching a high load.

Ein solcher elektrischer Schalter ist beispielsweise aus der DE 42 02 214 A1 bekannt. Dieser Schalter besitzt ein aus einem bewegbaren Schaltkontakt sowie wenigstens einem Festkontakt bestehendes Kontaktsystem. Weiter besitzt der Schalter ein zwischen einer Ausgangs- und einer Betätigungsstellung bewegbares Betätigungsorgan, das bei dessen Bewegung mit dem Schaltkontakt zum Umschalten des Kontaktsystems zusammenwirkt. Schließlich kann ein bewegbares Rastmittel mit dem Betätigungsorgan in der Betätigungsstellung verrastend zusammenwirken.Such an electrical switch is known for example from DE 42 02 214 A1. This switch has a contact system consisting of a movable switching contact and at least one fixed contact. Next, the switch has a movable between an output and an actuating position actuating member which cooperates in its movement with the switching contact for switching the contact system. Finally, a movable latching means cooperate latching with the actuator in the operating position.

Neben dem Netzschalter sind in Elektrogeräten und/oder Hausgeräten zur Bedienung sonstiger Funktionen Bedienfelder mit weiteren Schaltern angeordnet, die häufig in der Art von Kurzhubtasten, beispielsweise mit einem Hub von ca. 2 bis 3 mm, ausgestaltet sind. Der aus der DE 42 02 214 A1 bekannte Schalter besitzt jedoch einen großen Betätigungsweg, und zwar in etwa von 5 mm, so daß bei dessen Anordnung als Netzschalter im Bedienfeld eine zu den übrigen Schaltern unterschiedliche Betätigungscharakteristik vorhanden ist. Andererseits erscheint eine Reduzierung des Betätigungsweges dieses Schalters aufgrund der zu berücksichtigenden technischen Vorgaben, wie beispielsweise die verschiedenen Toleranzlagen der Einzelteile des Schalters, der über die Lebensdauer des Schalters entstehende Kontaktabbrand im Kontaktsystem, die für die Schaltung hoher Leistung benötigte Kontaktöffnungsweite von wenigstens 3 mm, das Aufbringen der nötigen Kontaktkraft, die sichere Funktion des Schalters o. dgl., nicht möglich.In addition to the power switch panels with other switches are arranged in electrical appliances and / or domestic appliances for operating other functions, which are often in the form of short-stroke, for example, with a stroke of about 2 to 3 mm, designed. However, the known from DE 42 02 214 A1 switch has a large actuation path, in about 5 mm, so that its arrangement as a power switch in the control panel to the other switches different operating characteristic is present. On the other hand, a reduction of the actuation path of this switch due to the technical specifications to be considered, such as the different tolerance positions of the individual parts of the switch, the over the life of the switch resulting contact erosion in the contact system, the required contact opening width of at least 3 mm, the Applying the necessary contact force, the safe operation of the switch o. The like., Not possible.

Weiter ist aus der GB 2 110 472 A ein elektrischer Schalter mit einem aus einem bewegbaren Schaltkontakt sowie Festkontakten bestehenden Kontaktsystem bekannt. Ein bewegbares Betätigungsorgan wirkt bei dessen Bewegung mit dem Schaltkontakt zum Umschalten des Kontaktsystems zusammen. Das Betätigungsorgan steht in Wirkverbindung mit einem federgelagerten Hebel, indem der Hebel eine Aufnahme im Betätigungsorgan in etwa quer durchsetzt, derart dass der Hebel bei Bewegung des Betätigungsorgans eine Schwenkbewegung durchführt. Die Schwenkbewegung des Hebels bewegt wiederum den Schaltkontakt zum Umschalten.Furthermore, GB 2 110 472 A discloses an electrical switch with a contact system consisting of a movable switching contact and fixed contacts. A movable actuator acts in its movement with the switching contact for switching the contact system together. The actuator is operatively connected to a spring-loaded lever in that the lever passes through a receptacle in the actuating member approximately transversely, such that the lever performs a pivoting movement during movement of the actuating member. The pivoting movement of the lever in turn moves the switching contact for switching.

Zwar weist dieser Schalter eine Umsetzung des vom Betätigungsorgan zurückgelegten Weges durch den Hebel auf. Jedoch ist die Schwenkbewegung des Hebels, insbesondere an der Federlagerung, mit erheblichen Toleranzproblemen sowie Führungsungenauigkeiten behaftet, was wiederum den erforderlichen Hub des Betätigungsorgans sowie die Betätigungskraft vergrößert. Außerdem verhindern diese Probleme den Einsatz des Schalters für höhere Leistungen.Although this switch has an implementation of the traversed by the actuator path through the lever. However, the pivoting movement of the lever, in particular on the spring bearing, afflicted with considerable tolerance problems and leadership inaccuracies, which in turn increases the required stroke of the actuator and the actuating force. In addition, these problems prevent the use of the switch for higher performance.

Der Erfindung liegt ausgehend von der GB 2 110 472 A die Aufgabe zugrunde, einen zum Schalten hoher Leistungen geeigneten elektrischen Schalter mit kleinem Betätigungsweg anzugeben. Insbesondere soll der elektrische Schalter als Netzschalter in mit Kurzhubtasten ausgestatteten Bedienfeldern einsetzbar sein, um damit der Bedienphilosophie heutiger Hausgeräte angepasst zu sein. Zugleich soll sich die Betätigungskraft für den elektrischen Schalter nicht wesentlich erhöhen.The invention is based on the GB 2 110 472 A the task of specifying a suitable for switching high power electrical switch with a small actuation path. In particular, the electric switch should be used as a power switch in equipped with short-stroke keys panels to be adapted to the operating philosophy of today's home appliances. At the same time, the operating force for the electrical switch should not increase significantly.

Diese Aufgabe wird bei einem gattungsgemäßen elektrischen Schalter durch die kennzeichnenden Merkmale des Anspruchs 1 gelöst.This object is achieved in a generic electrical switch by the characterizing features of claim 1.

Beim erfindungsgemäßen elektrischen Schalter steht das Betätigungsorgan in Wirkverbindung mit einem Hebel, derart dass der Hebel bei Bewegung des Betätigungsorgans eine Schwenkbewegung durchführt. Die Schwenkbewegung des Hebels bewegt nun ihrerseits den Schaltkontakt zum Umschalten. Durch die Schwenkbewegung des Hebels wird eine vergrößernde Übersetzung des vom Betätigungsorgan zurückgelegten Weges erzielt, so dass bereits ein kleiner Betätigungsweg des Betätigungsorgans den Schaltkontakt mit genügend großem Weg bewegt. Dadurch wird auch bei kurzem Betätigungsweg eine Kontaktöffnungsweite von mehr als 3 mm ermöglicht, so dass der erfindungsgemäße Schalter sowohl zum Schalten von hohen Lasten als auch von Steuerströmen geeignet ist. Insbesondere steht die Kontaktkraft beim erfindungsgemäßen Schalter nicht in einem direkten oder nur in einem schwachen Zusammenhang zur Betätigungskraft, so dass allenfalls ein geringfügiger Einfluss der Kontaktkraft auf die Betätigungskraft auftreten kann.In the electrical switch according to the invention, the actuating member is in operative connection with a lever, such that the lever performs a pivoting movement during movement of the actuating member. The pivoting movement of the lever in turn moves the switching contact for switching. Due to the pivotal movement of the lever, a magnification translation of the path traveled by the actuator is achieved, so that even a small actuation travel of the actuator, the switching contact with a sufficiently large way emotional. As a result, a contact opening width of more than 3 mm is made possible even with a short actuating travel, so that the switch according to the invention is suitable both for switching high loads and control currents. In particular, the contact force in the switch according to the invention is not in a direct or only in a weak relationship to the operating force, so that at most a slight influence of the contact force on the operating force can occur.

Um kleine Betätigungskräfte sowie die gewünschte Kompaktheit zu gewährleisten, ist weiterhin am Betätigungsorgan eine Wippe verschwenkbar gelagert. Die Wippe greift mittels eines Arms am Hebel zur Herstellung der Wirkverbindung an. Ein mit einem Ende am Hebel eingespanntes Federelement wirkt mit dem anderen auskragenden Ende mit der Wippe zusammen. Dadurch wird der Hebel bei Bewegung des Betätigungsorgans wechselweise zwischen zwei stabilen Endlagen, und zwar von der einen Endlage in die jeweils andere Endlage verschwenkt. Diese Endlagen korrespondieren wiederum zu den Schaltstellungen des Kontaktsystems.In order to ensure small actuating forces and the desired compactness, a rocker is also pivotally mounted on the actuator. The rocker attacks by means of an arm on the lever for producing the operative connection. A clamped with one end on the lever spring element cooperates with the other projecting end with the rocker. As a result, the lever during movement of the actuator alternately between two stable end positions, namely pivoted from the one end position in the other end position. These end positions correspond in turn to the switching positions of the contact system.

Weitere Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.Further embodiments of the invention are the subject of the dependent claims.

Der ein Gehäuse aufweisende Schalter kann mehrere Kontaktsysteme mit jeweils einem Schaltkontakt besitzen. Beispielsweise bietet sich beim Einsatz als Netzschalter eine zweipolige Ausgestaltung mit wenigstens zwei Kontaktsystemen an. In einer besonders bevorzugten Ausgestaltung dient ein gemeinsamer Hebel zur Bewegung der Schaltkontakte. Dadurch wird der benötigte Betätigungsweg zum fehlersicheren Umschalten am Kontaktsystem erzielt. Vorteilhafterweise wird dafür kein zusätzlicher Bauraum im Gehäuse des Schalters benötigt, vielmehr lässt sich der Schalter für hohe Lasten mit einem kleinen Gehäuse versehen.The housing having a switch may have a plurality of contact systems, each with a switching contact. For example, when used as a power switch a two-pole design with at least two contact systems offers. In a particularly preferred embodiment, a common lever is used to move the switch contacts. As a result, the required actuating path for fail-safe Switching achieved on the contact system. Advantageously, no additional space in the housing of the switch is needed for this, but rather the switch for high loads can be provided with a small housing.

Der Hebel kann an einem Lager drehbar im Gehäuse des Schalters gelagert sein. In weiterer Ausgestaltung ist der Hebel als einarmiger Hebel ausgebildet. Das Lager befindet sich dann an einem Ende des Hebels. Auch eine solche Ausgestaltung trägt zur Reduzierung des für den Schalter benötigten Bauraums bei.The lever may be rotatably mounted on a bearing in the housing of the switch. In a further embodiment, the lever is designed as a one-armed lever. The bearing is then located at one end of the lever. Such a design also contributes to reducing the space required for the switch space.

In weiterer Ausgestaltung des Schalters ist das Kontaktsystem als ein Schnapp-Kontaktsystem ausgebildet. Hierzu ist der Schaltkontakt als Schnapp-Schaltkontakt ausgestaltet, so dass der Schaltkontakt bei Bewegung des Hebels zwischen dessen beiden Endlagen schnappend umschaltet. Der Schaltkontakt ist in einem Schneidenlager, das beispielsweise an einem elektrischen Anschluss angeordnet sein kann, verschwenkbar gelagert. Eine Zugfeder ist mit einem Ende am Schaltkontakt und mit dem anderen Ende am Hebel befestigt. Die Befestigung am Hebel kann sich an der dem Lager des Hebels gegenüberliegenden Seite befinden. Vorteilhafterweise bietet ein solches Schnapp-Kontaktsystem gegenüber einem sonstigen Kontaktsystem geringere Betätigungskräfte und eine geringere Geräuschentwicklung.In a further embodiment of the switch, the contact system is designed as a snap-contact system. For this purpose, the switching contact is designed as a snap-switching contact, so that the switching contact switches over when snapping the lever between its two end positions. The switching contact is pivotably mounted in a knife-edge bearing, which can be arranged for example on an electrical connection. A tension spring is attached at one end to the switch contact and at the other end to the lever. The attachment to the lever may be on the opposite side of the bearing of the lever. Advantageously, such a snap-contact system offers over a different contact system lower actuation forces and a lower noise.

Bevorzugterweise ist der elektrische Schalter als Kurzhub-Druckschalter ausgestaltet. Hierzu ist das Betätigungsorgan als ein im wesentlich linear beweglicher Drücker ausgebildet. Der Drücker ist gegen die Kraft einer Feder bewegbar und ragt mit einem Teil aus dem Gehäuse für den Benutzer manuell zugänglich heraus. Das Betätigungsorgan ist vom Benutzer manuell zwischen einer Ausgangs- und einer Betätigungsstellung bewegbar, um das Kontaktsystem umzuschalten. Nach dem Umschalten des Kontaktsystems kann das Betätigungsorgan selbsttätig in die Ausgangsstellung zurückkehren. Alternativ kann das Betätigungsorgan in der jeweiligen Stellung bis zur nächsten Betätigung festgehalten sein, indem das Betätigungsorgan in der Betätigungsstellung durch ein Rastmittel verrastet ist.Preferably, the electrical switch is configured as a short-stroke pressure switch. For this purpose, the actuator is designed as a substantially linearly movable pusher. The pusher is movable against the force of a spring and projects with a part of the housing for the user manually accessible. The actuator is manually movable by the user between an output and an actuated position to switch the contact system. After switching the contact system, the actuator can automatically return to the starting position. Alternatively, the actuator may be held in the respective position until the next operation by the actuator is locked in the operating position by a latching means.

Die Schaltstellungen des Schnapp-Kontaktsystems können ebenso als Raststellungen ausgestaltet sein, wozu am Betätigungsorgan die Wippe verschwenkbar gelagert ist. Der Arm an der Wippe greift zweckmäßigerweise an einer Art von Kulisse am Hebel zur Herstellung der Wirkverbindung an. Das Federelement ist mit dem einen Ende am Hebel an der dem Lager des Hebels gegenüberliegenden Seite eingespannt. Bei dem Federelement handelt es sich insbesondere um eine Blattfeder oder eine Drahtfeder. Das Federelement wirkt mit dem anderen auskragenden Ende mit der Wippe zusammen, indem das auskragende Ende in einen Schlitz an der Wippe eingreift.The switching positions of the snap-contact system can also be configured as locking positions, for which purpose the rocker is pivotally mounted on the actuating member. The arm on the rocker expediently attacks a kind of link on the lever for producing the operative connection. The spring element is clamped at one end to the lever on the opposite side of the bearing of the lever. The spring element is in particular a leaf spring or a wire spring. The spring element cooperates with the other projecting end with the rocker by the projecting end engages in a slot on the rocker.

Entsprechend den im Elektro- und/oder Hausgerät für den Schalter zur Verfügung stehenden Platz lässt sich die Größe des Schalters in Längsrichtung oder Querrichtung bezüglich der Bewegungsrichtung des Betätigungsorgans optimieren. Hierzu kann der Hebel und/oder der Schaltkontakt in etwa parallel oder in etwa senkrecht zur Bewegungsrichtung des Betätigungsorgans angeordnet sein. Insbesondere bei mehrpoligen Schaltern mit mehreren Kontaktsystemen bietet es sich zudem an, den Hebel in etwa gabelförmig mit zwei einander gegenüberliegenden Lagern auszugestalten.According to the space available in the electrical and / or household appliance for the switch, the size of the switch in the longitudinal direction or transverse direction with respect to the direction of movement of the actuating element can be optimized. For this purpose, the lever and / or the switching contact can be arranged approximately parallel or approximately perpendicular to the direction of movement of the actuating member. In particular, in multi-pole switches with multiple contact systems, it also offers to design the lever in approximately bifurcated with two opposing bearings.

Die mit der Erfindung erzielten Vorteile bestehen insbesondere darin, dass der Schalter mit einem kurzen Betätigungsweg bedienbar ist. Der erfindungsgemäße Kurzhub-Schalter gestattet eine einheitliche Bedienphilosophie beispielsweise in Hausgeräten, wo im Bedienfeld mit den bereits üblichen Kurzhubtasten für die Logiksteuerung zusätzlich ein Kurzhub-Leistungsschalter für die Netztrennung eingesetzt werden kann.The advantages achieved by the invention are in particular that the switch can be operated with a short actuation path. The short-stroke switch according to the invention allows a uniform operating philosophy, for example in domestic appliances, where in addition a short-stroke circuit breaker for the network separation can be used in the control panel with the usual short-stroke keys for the logic controller.

Trotz kleinem Betätigungsweg erzielt der Schalter eine große Kontaktöffnungsweite. Der erfindungsgemäße Schalter ist universell einsetzbar, da sowohl hohe Lasten als auch Steuerströme schaltbar sind. Es ist eine definierte zeitliche Abfolge zwischen den Kontaktbewegungen, nämlich Öffnen oder Schließen des Kontaktsystems gegeben. Dadurch ist, falls gewünscht, auch ein definierter zeitlicher Versatz zwischen den Kontakten möglich. Weiterhin spielt der Kontaktabbrand des Kontaktsystems während der Lebensdauer des Schalters eine allenfalls untergeordnete Rolle, insbesondere bleibt der Schaltpunkt des Kontaktsystems über die Lebensdauer annähernd konstant.Despite small actuating travel, the switch achieves a large contact opening width. The switch according to the invention can be used universally, since both high loads and control currents can be switched. There is a defined chronological sequence between the contact movements, namely opening or closing of the contact system. As a result, if desired, a defined time offset between the contacts is possible. Furthermore, the contact erosion of the contact system plays a subordinate role during the life of the switch, in particular, the switching point of the contact system remains approximately constant over the life.

Ausführungsbeispiele der Erfindung sind in den Zeichnungen nach Fig. 5 - 10 dargestellt und werden im Folgenden näher beschrieben. Hierbei zeigenEmbodiments of the invention are illustrated in the drawings of FIGS. 5-10 and will be described in more detail below. Show here

Fig. 1 -4 ein nicht zur Erfindung zugehöriges Ausführungsbeispiel, wobei

Fig. 1
einen elektrischen Schalter mit aufgebrochenem Gehäuse in perspektivischer Ansicht,
Fig. 2
eine Draufsicht auf den Schalter gemäß Richtung II in Fig. 1,
Fig. 3
einen Schnitt entlang der Linie 3-3 aus Fig. 2,
Fig. 4
einen Schnitt entlang der Linie 4-4 aus Fig. 2, darstellen;
Fig. 1 -4 a non-inventive embodiment, wherein
Fig. 1
an electrical switch with broken housing in a perspective view,
Fig. 2
a top view of the switch according to the direction II in Fig. 1,
Fig. 3
a section along the line 3-3 of FIG. 2,
Fig. 4
a section along the line 4-4 of Figure 2, represent;

Es zeigen weiterhin:

Fig. 5
einen elektrischen Schalter gemäß einem Ausführungsbeispiel der Erfindung in Explosions-Darstellung,
Fig. 6
den elektrischen Schalter aus Richtung VI in Fig. 5 gesehen, wobei der Deckel des Gehäuses weggelassen ist,
Fig. 7
eine perspektivische Ansicht des elektrischen Schalters in etwa aus Richtung VII in Fig. 6 gesehen, wobei das Kontaktsystem im Ausschalt-Zustand befindlich ist,
Fig. 8
den elektrischen Schalter wie in Fig. 7, wobei das Kontaktsystem jedoch im Einschalt-Zustand befindlich ist,
Fig. 9
einen Schnitt entlang der Linie 9-9 in Fig. 6 und
Fig. 10
einen Schnitt entlang der Linie 10-10 in Fig. 6.
It also shows:
Fig. 5
an electrical switch according to an embodiment of the invention in exploded view,
Fig. 6
seen the electrical switch from direction VI in Fig. 5, wherein the cover of the housing is omitted,
Fig. 7
a perspective view of the electrical switch seen approximately from the direction VII in Fig. 6, wherein the contact system is in the off state,
Fig. 8
the electrical switch as in Fig. 7, but with the contact system in the on state,
Fig. 9
a section along the line 9-9 in Fig. 6 and
Fig. 10
a section along the line 10-10 in Fig. 6.

In Fig. 1 ist ein elektrischer Schalter 1 gemäß einem ersten Ausführungsbeispiel gezeigt, der zum Schalten einer hohen Last geeignet ist Der Schalter 1 kann beispielsweise als Netzschalter für ein Elektrogerät verwendet werden. Der Schalter 1 besitzt ein in Fig. 1 lediglich schematisch und aufgebrochen dargestelltes Gehäuse 2, das aus einem Deckel 3 und einem Sockel 4 besteht. An der Oberseite des Deckels 3 ragt ein Betätigungsorgan 5 aus dem Gehäuse 2 heraus. Der aus dem Gehäuse 2 herausragende Teil des Betätigungsorgans 5 ist für den Benutzer zur manuellen Bedienung des Schalters 1 zugänglich. Das Betätigungsorgan 5 ist vorliegend als ein gegen die Kraft einer Feder 20 im wesentlich linear beweglicher Drücker ausgebildet, wie in Fig. 4 zu sehen ist. An der Unterseite im Sockel 4 befinden sich die in Fig. 3 sichtbaren elektrischen Anschlüsse 6 des Schalters 1.In Fig. 1, an electrical switch 1 according to a first embodiment is shown, which is suitable for switching a high load, the switch 1 can be used for example as a power switch for an electrical appliance. The switch 1 has a in Fig. 1 only schematically and broken illustrated the housing 2, which consists of a lid 3 and a base 4. At the top of the lid 3, an actuator 5 projects out of the housing 2. The protruding from the housing 2 part of the actuator 5 is accessible to the user for manual operation of the switch 1. The actuator 5 is presently designed as a against the force of a spring 20 in a substantially linearly movable pusher, as shown in Fig. 4 can be seen. At the bottom in the base 4 are the visible in Fig. 3 electrical connections 6 of the switch first

Der Schalter 1 besitzt ein dreipoliges Kontaktsystem 7, wie anhand von Fig. 1 zu erkennen ist. Wie weiter aus Fig. 3 hervorgeht, besteht das Kontaktsystem 7 aus einem bewegbaren Schaltkontakt 8 sowie wenigstens einem Festkontakt 9, die jeweils mit einem elektrischen Anschluß 6 in Verbindung stehen. Das Betätigungsorgan 5 ist manuell zwischen einer Ausgangs- und einer Betätigungsstellung bewegbar, wobei das Betätigungsorgan 5 bei dessen Bewegung mit dem Schaltkontakt 8 zum Umschalten des Kontaktsystems 7 zusammenwirkt. So befindet sich in der Betätigungsstellung das Kontaktsystem 7 im Einschalt-Zustand, indem der Schaltkontakt 8 am Festkontakt 9 anliegt. In der Ausgangsstellung hingegen ist der Schaltkontakt 8 vom Festkontakt 9 entfernt, so daß das Kontaktsystem 7 im Ausschalt-Zustand befindlich ist. Selbstverständlich kann das Kontaktsystem auch derart ausgestaltet sein, daß der Schaltkontakt bei Bewegung des Betätigungsorgans zwischen zwei Festkontakten umschaltet, was jedoch nicht weiter gezeigt istThe switch 1 has a three-pole contact system 7, as can be seen from FIG. As further apparent from Fig. 3, the contact system 7 consists of a movable switching contact 8 and at least one fixed contact 9, which are in each case in communication with an electrical connection 6. The actuator 5 is manually movable between an output and an actuating position, wherein the actuator 5 cooperates in its movement with the switching contact 8 for switching the contact system 7. Thus, in the actuated position, the contact system 7 is in the switched-on state, in that the switching contact 8 rests against the fixed contact 9. In the initial position, however, the switching contact 8 is removed from the fixed contact 9, so that the contact system 7 is located in the off state. Of course, the contact system can also be designed such that the switching contact switches over during movement of the actuating member between two fixed contacts, which is not shown further

Der Schalter 1 weist weiterhin einen Hebel 10 auf, der sich im Gehäuse 2 befindet, wie näher in Fig. 1 zu sehen ist. Das Betätigungsorgan 5 steht in Wirkverbindung mit dem Hebel 10, und zwar derart, daß der Hebel 10 bei Bewegung des Betätigungsorgans 5 eine Schwenkbewegung durchführt. In einer ersten Ausgestaltung der Erfindung bewegt die Schwenkbewegung des Hebels 10 ihrerseits den Schaltkontakt 8 zum Umschalten des Kontaktsystems 7, wie anhand von Fig. 3 zu erkennen ist. In einer zweiten Ausgestaltung der Erfindung handelt es sich um einen Rastschalter und der Schalter 1 besitzt ein mit dem Betätigungsorgan 5 in der Betätigungsstellung verrastend zusammenwirkendes, bewegbares Rastmittel 11, das in Fig. 2 zu sehen ist. Die Schwenkbewegung des Hebels 10 bewegt in diesem Fall ihrerseits das Rastmittel 11 zur Verrastung. Bei beiden Ausgestaltungen wird aufgrund der Übertragung der Bewegung des Betätigungsorgans 5 über den Hebel 10 auf den Schaltkontakt 8 und/oder das Rastmittel 11 eine vergrößernde Übersetzung des vom Betätigungsorgan 5 zurückgelegten Weges erzielt. Dadurch sind auch bei kleinem Weg des Betätigungsorgans 5 zwischen der Ausgangs- und Betätigungsstellung große Wege für den Schaltkontakt 8 und/oder für das Rastmittel 11 ermöglicht, so daß hohe Leistungen mittels des Kontaktsystems 7 schaltbar sind. Besonders bevorzugt ist eine Ausbildung des Schalters 1 entsprechend einer Kombination der beiden genannten Ausgestaltungen, indem der Hebel 10 als ein in Fig. 1 sichtbarer gemeinsamer Hebel sowohl den oder die Schaltkontakte 8 als auch das Rastmittel 11 bewegt. Sonstige zweckmäßige Weiterbildungen des Schalters 1 sind nachfolgend näher erläutert.The switch 1 further comprises a lever 10 which is located in the housing 2, as can be seen in more detail in Fig. 1. The actuator 5 is in operative connection with the lever 10, in such a way that the lever 10 performs a pivoting movement during movement of the actuating member 5. In a first embodiment of the invention, the pivoting movement of the lever 10 in turn moves the switching contact 8 for switching the contact system 7, as can be seen from FIG. In a second embodiment of the invention is a detent switch and the switch 1 has a cooperating with the actuator 5 in the operating position cooperating, movable latching means 11, which can be seen in Fig. 2. The pivotal movement of the lever 10 moves in this case, in turn, the locking means 11 for locking. In both embodiments, due to the transmission of the movement of the actuating member 5 via the lever 10 on the switching contact 8 and / or the locking means 11 a magnification translation of the distance traveled by the actuator 5 path is achieved. As a result, large distances for the switching contact 8 and / or for the locking means 11 are made possible even with a small path of the actuator 5 between the output and actuation position, so that high power by means of the contact system 7 are switchable. Particularly preferred is an embodiment of the switch 1 according to a combination of the two embodiments mentioned in that the lever 10 as a visible in Fig. 1 common lever both the or the switching contacts 8 and the locking means 11 moves. Other expedient developments of the switch 1 are explained in more detail below.

Der Hebel 10 ist, wie näher aus Fig. 3 hervorgeht, als einarmiger Hebel ausgestaltet. An einem Ende des Hebels 10 befindet sich ein Lager 12 zur drehbaren Lagerung des Hebels 10 im Gehäuse 2 des Schalters 1. Die Aufnahme 13 für das Lager 12 befindet sich im Sockel 4, wobei das Lager 12 in die Aufnahme 13 zweckmäßigerweise einclipsbar ist.The lever 10 is, as shown in more detail from Fig. 3, designed as a one-armed lever. At one end of the lever 10 is a bearing 12 for rotatably supporting the lever 10 in the housing 2 of the switch 1. The receptacle 13 for the bearing 12 is located in the base 4, wherein the bearing 12 is suitably clipped into the receptacle 13.

Der Schaltkontakt 8 ist wippenförmig ausgestaltet und in etwa mittig in einem Schneidenlager 17 gelagert. Ein Ende des Hebels 10 und zwar das dem Lager 12 des Hebels 10 gegenüberliegende Ende liegt mit einer elastischen Kraft beaufschlagt am Schaltkontakt 8 an. Hierzu weist der Hebel 10 eine Hülse 14 auf. In der Hülse 14 ist eine Druckfeder 15 zur Ausübung der elastischen Kraft angeordnet Die Druckfeder 15 beaufschlagt einen Steuernocken 16 und der Steuernocken 16 wirkt schließlich auf den Schaltkontakt 8 ein. Befindet sich der Steuernocken 16 jenseits der einer Seite des Schneidenlagers 17, nämlich wie in Fig. 3 zu sehen, an der linken Seite des wippenförmigen Schaltkontakts 8, so befindet sich das Kontaktsystem 7 im Einschalt-Zustand. Befindet sich der Steuernocken 16 jenseits der anderen Seite des Schneidenlagers 17, also an der rechten Seite des wippenförmigen Schaltkontakts 8, was jedoch nicht weiter gezeigt ist, so befindet sich das Kontaktsystem 7 im Ausschalt-Zustand. Da es sich vorliegend wie bereits erwähnt um ein dreipoliges Kontaktsystem 7 handelt, ist der Hebel 10 entsprechend länglich mit zwei Lagern 12 ausgestattet. Dabei sind drei Hülsen 14 mitsamt der Steuernocken 16 für die drei Schaltkontakte 8 nebeneinanderliegend am Hebel 10 angeordnet, wie der Fig. 1 sowie der Fig. 4 zu entnehmen ist.The switching contact 8 is configured rocker-shaped and mounted approximately centrally in a cutting bearing 17. One end of the lever 10 and that the bearing 12 of the lever 10 opposite end is applied with an elastic force applied to the switching contact 8. For this purpose, the lever 10 has a sleeve 14. In the sleeve 14, a compression spring 15 for exerting the elastic force is arranged. The compression spring 15 acts on a control cam 16 and the control cam 16 finally acts on the switching contact 8. Is the control cam 16 beyond the one side of the cutting edge bearing 17, namely, as seen in Fig. 3, on the left side of the rocker-shaped switching contact 8, so located the contact system 7 in the power-on state. If the control cam 16 is beyond the other side of the knife-edge bearing 17, that is to say on the right-hand side of the rocker-shaped switch contact 8, which however is not shown further, the contact system 7 is in the switch-off state. Since, as already mentioned, this is a three-pole contact system 7, the lever 10 is correspondingly elongated with two bearings 12. In this case, three sleeves 14 together with the control cam 16 for the three switching contacts 8 are arranged side by side on the lever 10, as shown in FIG. 1 and FIG. 4 can be seen.

Das Rastmittel 11 besteht aus einer in etwa herzförmigen Rastkurve 18 sowie einem in die Rastkurve 18 eingreifenden Stift 19. Die Rastkurve 18, die in Fig. 4 sichtbar ist, ist an einer Seite des Hebels 10, und zwar an dessen Frontseite, die dem Lager 12 in etwa gegenüberliegt, angeordnet. Der Stift 19, der in Fig. 2 zu sehen ist, ist in etwa in der Art eines Bügels ausgestaltet, wobei ein Ende des Bügels im Gehäuse 2, und zwar am Sockel 4 des Schalters 1 gehalten ist sowie das andere Ende des Bügels als eigentlicher Stift 19 in die Rastkurve 18 eingreift. Die Rastkurve 18 ist mittels des Hebels 10 bewegbar, so daß der Stift 19 bei Bewegung der Rastkurve 18 mit einer der Auslenkung durch die Rastkurve 18 entgegengesetzt gerichteten, elastischen Kraft beaufschlagt ist. Durch den von der elastischen Kraft bewirkten entsprechenden Eingriff des Stifts 19 in die Rastkurve 18 wird in bekannter Weise das Betätigungsorgan 5 in der Betätigungsstellung verrastend gehalten. Selbstverständlich kann auch in umgekehrter Art und Weise die Rastkurve im Gehäuse des Schalters fest und der Stift mittels des Hebels bewegbar angeordnet sein, was jedoch nicht weiter gezeigt ist.The latching means 11 consists of an approximately heart-shaped latching curve 18 and an engaging in the latching cam 18 pin 19. The latching curve 18, which is visible in Fig. 4, is on one side of the lever 10, on the front side, the bearing 12 approximately opposite, arranged. The pin 19, which can be seen in Fig. 2, is designed approximately in the manner of a bracket, wherein one end of the bracket in the housing 2, and that is held on the base 4 of the switch 1 and the other end of the bracket than actual Pin 19 engages in the latching curve 18. The latching cam 18 is movable by means of the lever 10, so that the pin 19 is acted upon movement of the latching cam 18 with one of the deflection by the latching cam 18 oppositely directed, elastic force. By caused by the elastic force corresponding engagement of the pin 19 in the latching cam 18, the actuating member 5 is held latching in the operating position in a known manner. Of course, also in the reverse manner, the latching cam in the housing of the switch fixed and the pin can be arranged movable by means of the lever, which is not shown further.

Wie näher anhand Fig. 3 zu erkennen ist, befindet sich zur Verschwenkung des Hebels 10 im Betätigungsorgan 5 eine Aufnahme 21, die an dem im Inneren des Gehäuses 2 des Schalters 1 befindlichen Teil des Betätigungsorgans 5 angeordnet ist. Der Hebel 10 durchsetzt die Aufnahme 21 in etwa quer zur Bewegungsrichtung des Betätigungsorgans 5. Wird nun das Betätigungsorgan 5 bewegt, so wird der Hebel 10 in der Aufnahme 21 mitgenommen und dabei verschwenkt.As can be seen in more detail with reference to FIG. 3, is located for pivoting the lever 10 in the actuator 5, a receptacle 21 which is disposed on the located in the interior of the housing 2 of the switch 1 part of the actuator 5. The lever 10 passes through the receptacle 21 approximately transversely to the direction of movement of the actuating member 5. If now the actuator 5 is moved, the lever 10 is taken in the receptacle 21 and thereby pivoted.

Ein erfindungsgemäßer elektrischer Schalter 1 gemäß einem zweiten Ausführungsbeispiel ist in Explosionsdarstellung in Fig. 5 gezeigt. Der Schalter 1 besitzt wiederum ein Gehäuse 2, das aus einem Deckel 3 und einem Sockel 4 besteht. An einer Seite des Deckels 3 ragt ein Betätigungsorgan 5 aus dem Gehäuse 2 heraus. Das Betätigungsorgan 5 ist vorliegend als ein im wesentlich linear beweglicher Drücker ausgebildet An einer Seite des Sockels 4 ragen elektrischen Anschlüsse 6 des Schalters 1 heraus, wie insbesondere in den Fig. 9 oder 10 zu sehen istAn inventive electrical switch 1 according to a second embodiment is shown in exploded view in Fig. 5. The switch 1 in turn has a housing 2 which consists of a lid 3 and a base 4. On one side of the lid 3, an actuator 5 projects out of the housing 2. The actuator 5 is presently designed as a substantially linearly movable pusher on one side of the base 4 protrude electrical connections 6 of the switch 1 out, as can be seen in particular in Figs. 9 or 10

Der Schalter 1 besitzt ein zweipoliges Kontaktsystem 7, was anhand von Fig. 6 ersichtlich ist Wie aus Fig. 5 hervorgeht, besteht das Kontaktsystem 7 aus einem bewegbaren Schaltkontakt 8 sowie wenigstens einem Festkontakt 9, die jeweils mit einem elektrischen Anschluß 6 in Verbindung stehen. Bei manueller Bewegung des Betätigungsorgans 5 wirkt das Betätigungsorgan 5 mit dem Schaltkontakt 8 zum Umschalten des Kontaktsystems 7 zusammen, und zwar zwischen einem in Fig. 8 gezeigten Einschalt-Zustand des Kontaktsystems 7, in dem der Schaltkontakt 8 am Festkontakt 9 anliegt, und einem in Fig. 7 gezeigten Ausschalt-Zustand des Kontaktsystems 7, in dem der Schaltkontakt 8 vom Festkontakt 9 entfernt ist. Selbstverständlich kann das Kontaktsystem auch derart ausgestaltet sein, daß der Schaltkontakt bei Bewegung des Betätigungsorgans zwischen zwei Festkontakten umschaltet, was jedoch nicht weiter gezeigt ist.The switch 1 has a two-pole contact system 7, which is apparent from Fig. 6 As is apparent from Fig. 5, the contact system 7 consists of a movable switching contact 8 and at least one fixed contact 9, which are each connected to an electrical connection 6. With manual movement of the actuator 5, the actuator 5 cooperates with the switching contact 8 for switching the contact system 7, between a switch-on state of the contact system 7 shown in Fig. 8, in which the switch contact 8 is applied to the fixed contact 9, and a in Fig. 7 shown off state of the contact system 7, in which the switching contact 8 is removed from the fixed contact 9. Of course, the contact system can also be designed such that the switching contact switches over during movement of the actuating member between two fixed contacts, which is not shown further.

Der Schalter 1 weist weiterhin einen Hebel 10 auf, der sich im Gehäuse 2 befindet. Das Betätigungsorgan 5 steht in Wirkverbindung mit dem Hebel 10, und zwar derart, daß der Hebel 10 bei Bewegung des Betätigungsorgans 5 eine Schwenkbewegung zwischen zwei Endlagen durchführt, was anhand der Fig. 7 und 8 ersichtlich ist. Dabei bewegt die Schwenkbewegung des Hebels 10 ihrerseits den Schaltkontakt 8 zum Umschalten des Kontaktsystems 7. Aufgrund der Übertragung der Bewegung des Betätigungsorgans 5 über den Hebel 10 auf den Schaltkontakt 8 wird eine vergrößernde Übersetzung des vom Betätigungsorgan 5 zurückgelegten Weges erzielt. Dadurch sind auch bei kleinem Weg des Betätigungsorgans 5 bei dessen manueller Bewegung große Wege für den Schaltkontakt 8 ermöglicht, so daß hohe Leistungen mittels des Kontaktsystems 7 schaltbar sind. Weitere zweckmäßige Ausgestaltungen des Schalters 1 gemäß dem weiteren Ausführungsbeispiel sind nachfolgend näher erläutert.The switch 1 further comprises a lever 10 which is located in the housing 2. The actuator 5 is in operative connection with the lever 10, in such a way that the lever 10 performs a pivoting movement between two end positions during movement of the actuating member 5, which is apparent from FIGS. 7 and 8. In this case, the pivotal movement of the lever 10 in turn moves the switching contact 8 to switch the contact system 7. Due to the transmission of the movement of the actuator 5 via the lever 10 to the switching contact 8 a magnification translation of the path covered by the actuator 5 is achieved. As a result, large paths for the switching contact 8 are made possible even with a small path of the actuator 5 in the manual movement, so that high power by means of the contact system 7 are switchable. Further expedient embodiments of the switch 1 according to the further embodiment are explained in more detail below.

Der Hebel 10 ist, wie näher aus Fig. 7 hervorgeht, in der Art eines einarmigen Hebels ausgestaltet. An einem Ende des Hebels 10 befindet sich ein Lager 12 zur drehbaren Lagerung des Hebels 10 im Gehäuse 2 des Schalters 1. Die Aufnahme 13 für das Lager 12 befindet sich im Sockel 4, wobei das Lager 12 in die Aufnahme 13 zweckmäßigerweise einclipsbar ist. Bei dem vorliegenden mehrpoligen Schalter 1 bietet es sich weiterhin an, den Hebel 10 in etwa gabelförmig mit zwei einander gegenüberliegenden Lagern 12 auszugestalten, wie anhand von Fig. 5 zu erkennen ist.The lever 10 is, as more closely apparent from Fig. 7, designed in the manner of a one-armed lever. At one end of the lever 10 is a bearing 12 for rotatably supporting the lever 10 in the housing 2 of the switch 1. The receptacle 13 for the bearing 12 is located in the base 4, wherein the bearing 12 is suitably clipped into the receptacle 13. In the case of the present multipolar switch 1, it is also appropriate to configure the lever 10 in a fork-shaped manner with two mutually opposite bearings 12, as can be seen from FIG. 5.

Bei dem Kontaktsystem 7 handelt es sich um ein Schnapp-Kontaktsystem, indem der Schaltkontakt 8 als Schnapp-Schaltkontakt ausgestaltet ist, wie aus Fig. 9 ersichtlich ist. Der Schaltkontakt 8 ist in einem an einem elektrischen Anschluß 6 befindlichen Schneidenlager 22 verschwenkbar gelagert. Ein elastisches Mittel, und zwar vorliegend eine Zugfeder 23, ist mit einem Ende am Schaltkontakt 8 und mit dem anderen Ende am Hebel 10 befestigt. Zur Befestigung ist die Zugfeder 23 mittels endseitiger Haken in entsprechende Ösen sowohl am Schaltkontakt 8 als auch am Hebel 10 eingehängt. Die Öse am Hebel 10 zur Befestigung der Zugfeder 23 befindet sich dabei an der dem Lager 12 des Hebels 10 gegenüberliegenden Seite, wie der Fig. 7 zu entnehmen ist. Die Ausgestaltung des Schaltkontakts 8 als Schnapp-Stchaltkontakt bewirkt, daß der Schaltkontakt 8 dann bei Bewegung des Hebels 10 zwischen dessen beiden Endlagen schnappend umschaltet.The contact system 7 is a snap-contact system in that the switching contact 8 is configured as a snap-action switching contact, as can be seen in FIG. 9. The switching contact 8 is mounted pivotably in a cutting bearing 22 located at an electrical connection 6. An elastic means, in the present case a tension spring 23, is fastened at one end to the switching contact 8 and at the other end to the lever 10. For attachment, the tension spring 23 is hooked by means of end hooks in corresponding eyelets both on the switching contact 8 and the lever 10. The eyelet on the lever 10 for fastening the tension spring 23 is located on the bearing 12 of the lever 10 opposite side, as shown in FIG. 7 can be seen. The design of the switching contact 8 as a snap-Stchaltkontakt causes the switching contact 8 then switching over when moving the lever 10 between the two end positions snap.

Das Betätigungsorgan 5 des Schalters 1 ist, wie bereits erwähnt, als ein im wesentlichen linear beweglicher Drücker ausgebildet, der durch entsprechende manuelle Einwirkung des Benutzers bewegt wird. Der Hebel 10 und/oder der Schaltkontakt 8 und damit das Kontaktsystem 7 ist in etwa parallel zur Bewegungsrichtung des Betätigungsorgans 5 angeordnet, wie man anhand der Fig. 9 erkennt Selbstverständlich kann der Hebel 10 und/oder der Schaltkontakt 8 auch in etwa senkrecht zur Bewegungsrichtung des Betätigungsorgans 5 angeordnet sein, was jedoch nicht weiter gezeigt ist.The actuator 5 of the switch 1 is, as already mentioned, designed as a substantially linearly movable pusher, which is moved by appropriate manual action of the user. The lever 10 and / or the switching contact 8 and thus the contact system 7 is arranged approximately parallel to the direction of movement of the actuator 5, as can be seen with reference to FIG. 9 Of course, the lever 10 and / or the switching contact 8 also approximately perpendicular to the direction of movement be arranged of the actuator 5, which is not shown.

Wie näher anhand Fig. 8 zu erkennen ist, dient eine Wippe 24 zur Verschwenkung des Hebels 10. Die Wippe 24 ist am Betätigungsorgan 5 verschwenkbar gelagert und greift mittels eines Arms 25 am Hebel 10 an, um die Wirkverbindung zwischen dem Betätigungsorgan 5 und dem Hebel 10 herzustellen. Die Angriffsstelle am Hebel 10 ist, wie vor allem in Fig. 10 sichtbar ist, in der Art einer Kulisse 26 ausgestaltet, so daß die Verschwenkung der Wippe 24 bei Bewegung des Betätigungsorgans 5 ihrerseits eine Verschwenkung des Hebels 10 bewirkt. Zusätzlich ist ein in Fig. 7 sichtbares Federelement 27 mit seinem einen Ende am Hebel 10 eingespannt, und zwar an der dem Lager 12 des Hebels 10 gegenüberliegenden Seite. Das Federelement 27 ist bevorzugterweise in der Art einer Blattfeder oder einer Drahtfeder ausgestaltet, wie anhand von Fig. 5 zu erkennen ist. Mit seinem anderen auskragenden Ende wirkt das Federelement 27 mit der Wippe 24 derart zusammen, daß der Hebel 10 bei Bewegung des Betätigungsorgans 5 wechselweise von der einen Endlage in die jeweils andere Endlage verschwenkt wird. An der Wippe 24 befindet sich eine Aufnahme 28 mit einem Schlitz 29 für das auskragende Ende des Federelements 27, wie anhand von Fig. 5 zu sehen ist.As can be seen in more detail with reference to FIG. 8, a rocker 24 serves to pivot the lever 10. The rocker 24 is pivotally mounted on the actuating member 5 and engages by means of an arm 25 on the lever 10 to the operative connection between the Actuator 5 and the lever 10 produce. The point of attack on the lever 10 is, as is particularly visible in Fig. 10, configured in the manner of a link 26 so that the pivoting of the rocker 24 in turn causes a pivoting of the lever 10 during movement of the actuating member 5. In addition, a visible in Fig. 7 spring element 27 is clamped with its one end to the lever 10, on the bearing 12 of the lever 10 opposite side. The spring element 27 is preferably designed in the manner of a leaf spring or a wire spring, as can be seen from FIG. 5. With its other projecting end, the spring element 27 cooperates with the rocker 24 such that the lever 10 is alternately pivoted upon movement of the actuating member 5 of the one end position in the other end position. On the rocker 24 is a receptacle 28 with a slot 29 for the projecting end of the spring element 27, as can be seen with reference to FIG.

In jeweils einer dieser stabilen Endlagen befindet sich dann das Kontaktsystem 7 im Einschalt- oder im Ausschalt-Zustand. Zum Umschalten des Kontaktsystems 7 wird das Betätigungungsorgan 5 zwar zwischen einer Ausgangs- und einer Betätigungsstellung bewegt, jedoch kehrt das Betätigungsorgan 5 nach dem Umschalten selbsttätig in die Ausgangsstellung zurück. Somit nimmt das Betätigungsorgan 5 sowohl im Einschalt- wie auch im Ausschalt-Zustand des Kontaktsystems 7 dieselbe Position, nämlich die Ausgangsstellung ein, womit der Schalter 1 gemäß dem zweiten Ausführungsbeispiel in der Art eines "Push-Push"-Schalters ausgestaltet ist. Beim Schalter 1 gemäß dem ersten Ausführungsbeispiel hingegen verbleibt das Betätigungsorgan 5 in der jeweiligen Stellung, indem das Betätigungsorgan 5 in der Betätigungsstellung verrastet ist.In each case one of these stable end positions then the contact system 7 is in the switch-on or in the off state. To switch the contact system 7, although the actuating member 5 is moved between an initial and an actuating position, but the actuator 5 automatically returns to the starting position after switching. Thus, the actuator 5 takes both in the on and in the off state of the contact system 7 the same position, namely the starting position, whereby the switch 1 is configured according to the second embodiment in the manner of a "push-push" switch. In the switch 1 according to the first embodiment, however, the actuator 5 remains in the respective position by the actuator 5 is locked in the operating position.

Die Erfindung ist nicht auf die beschriebenen und dargestellten Ausführungsbeispiele beschränkt. Sie umfaßt vielmehr auch alle fachmännischen Weiterbildungen im Rahmen der durch die Patentansprüche definierten Erfindung. So kann ein derartiger Schalter nicht nur zum Schalten hoher Leistungen sondern überall dort Verwendung finden, viro ein kleiner Betätigungsweg gewünscht wird, insbesondere bei elektrischen Schaltern in der Art von Kurzhubtasten.The invention is not limited to the described and illustrated embodiments. Rather, it also encompasses all expert developments within the scope of the invention defined by the claims. Thus, such a switch can be used not only for switching high power but everywhere, where a small actuation path is desired, especially in electrical switches in the manner of Kurzhubtasten.

Bezugszeichen-Liste:Reference numeral list:

1:1:
elektrischer Schalterelectrical switch
2:2:
Gehäusecasing
3:3:
Deckelcover
4:4:
Sockelbase
5:5:
Betätigungsorganactuator
6:6:
elektrischer Anschlußelectrical connection
7:7:
KontaktsystemContact system
8:8th:
Schaltkontaktswitching contact
9:9:
Festkontaktfixed contact
10:10:
Hebellever
11:11:
Rastmittellatching means
12:12:
Lagercamp
13:13:
Aufnahme (für Lager)Recording (for stock)
14:14:
Hülseshell
15:15:
Druckfedercompression spring
16:16:
Steuernockencontrol cam
17:17:
Schneidenlagercutting camp
18:18:
Rastkurvelocking curve
19:19:
Stiftpen
20:20:
Feder (für Betätigungsorgan)Spring (for actuator)
21:21:
Aufnahme (im Betätigungsorgan)Recording (in the actuator)
22:22:
Schneidenlagercutting camp
23:23:
Zugfedermainspring
24:24:
Wippeseesaw
25:25:
Arm (an der Wippe)Arm (on the seesaw)
26:26:
Kulisse (am Hebel)Scenery (on the lever)
27:27:
Federelementspring element
28:28:
Aufnahme (an der Wippe)Recording (on the seesaw)
29:29:
Schlitz (in der Aufnahme)Slot (in the receptacle)

Claims (7)

  1. Electric switch, in particular for a high load, such as a mains switch, with a contact system (7) comprising a movable switching contact (8) and at least one stationary contact (9), and with a movable actuation member (5), whereby the actuation member (5) when moved interacts with the switching contact (8) for the purpose of switching the contact system (7), whereby the actuation member (5) is in active connection with a lever (10), in such a way that when moving the actuation member (5) the lever (10) performs a pivoting movement, and whereby the pivoting movement of the lever (10) moves the switching contact (8) for the purpose of switching, in particular with increasing transformation of the path covered by the actuation member (5), characterised in that a rocker (24) is mounted pivotably on the actuation member (5), in that the rocker (24) by means of an arm (25) acts on the lever (10) to produce the active connection, and in that a spring element (27) clamped at one end onto the lever (10) interacts with the other projecting end with the rocker (24), such that the lever (10) is pivoted upon moving the actuation member (5) altematively from one end position into the other respective end position.
  2. Electric switch according to claim 1, characterised in that the switch (1) comprises a number of contact systems (7), each with a switching contact (8), and in that preferably a common lever (10) moves the switching contacts (8).
  3. Electric switch according to claim 1 or 2, characterised in that the switch (1) has a housing (2), in that preferably the lever (10) is designed in the form of a one-armed lever, and in that also preferably the lever (10) is mounted rotatably in the housing (2) on a bearing (12), which is arranged in particular at one end of the lever (10).
  4. Electric switch according to one of claims 1 to 3, characterised in that the switching contact (8) is in the form of a snap-action switching contact, in that preferably the switching contact (8) is mounted pivotably in a knife-edge bearing (22) located for example at an electrical terminal (6), and in that also preferably a tension spring (23) is secured by one end to the switching contact (8) and by the other end to the lever (10), in particular on the side opposite the bearing (12) of the lever (10), in such a way that when there is movement of the lever (10) the switching contact (8) switches with a snap action, in particular between the two end positions of the lever (10).
  5. Electric switch according to one of claims 1 to 4, characterised in that the actuation member (5) is in the form of an essentially linearly movable pushbutton, acting in particular against spring force, in that preferably the actuation member (5) protrudes partially out of the housing (2) so as to be manually accessible to the user, in that preferably the arm (25) acts on a kind of slide (26) on the lever (10) to produce the active connection, and in that also preferably the spring element (27), which is most preferably in the form of a leaf spring or a wire spring, is restrained with one end on the side opposite the bearing (12) of the lever (10), whereby in particular the other projecting end of the spring element (27) interacts with the rocker (24) by engagement in a slot (29) on a mount (28) of the rocker (24).
  6. Electric switch according to one of claims 1 to 5, characterised in that the lever (10) and/or the switching contact (8) are arranged approximately parallel or approximately perpendicular to the direction of movement of the actuation member (5), and in that preferably the lever (10) is designed to be fork-shaped with two mutually opposite bearings (12).
  7. Electric switch according to one of claims 1 to 6, characterised in that the actuation member (5) can be moved between an initial position and an actuating position for the purpose of switching the contact system (7), whereby after switching the actuation member (5) returns automatically to the initial position.
EP02802601A 2001-11-02 2002-10-30 Electric switch Expired - Lifetime EP1440455B1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE10153871 2001-11-02
DE10153871 2001-11-02
DE10222498 2002-05-22
DE10222498 2002-05-22
PCT/DE2002/004039 WO2003041100A2 (en) 2001-11-02 2002-10-30 Electric switch

Publications (2)

Publication Number Publication Date
EP1440455A2 EP1440455A2 (en) 2004-07-28
EP1440455B1 true EP1440455B1 (en) 2006-04-26

Family

ID=26010499

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02802601A Expired - Lifetime EP1440455B1 (en) 2001-11-02 2002-10-30 Electric switch

Country Status (7)

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US (1) US6965087B2 (en)
EP (1) EP1440455B1 (en)
AT (1) ATE324663T1 (en)
AU (1) AU2002363340A1 (en)
DE (2) DE10250262A1 (en)
ES (1) ES2262894T3 (en)
WO (1) WO2003041100A2 (en)

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US20140131187A1 (en) * 2012-11-10 2014-05-15 Solteam Electronics Co., Ltd. Heat-Spot Distant Type Push Switch Structure
US10109432B1 (en) 2014-06-16 2018-10-23 Apple Inc. Switch assemblies
ITUB20160760A1 (en) * 2016-02-15 2017-08-15 Bticino Spa Push-button operated switch with oscillating control device
US10707032B1 (en) 2016-12-02 2020-07-07 Apple Inc. Electronic device having travel-magnifying input/output structure
DE102019122978B4 (en) * 2019-08-27 2022-11-10 Bender Gmbh & Co. Kg Electrical remote drive for actuating a switching device of an electrical system and remote drive arrangement

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DE2412812C2 (en) * 1974-03-16 1985-10-24 J. & J. Marquardt, 7201 Rietheim-Weilheim Electric switch
JPS5862519U (en) * 1981-10-23 1983-04-27 アルプス電気株式会社 switch
US4383149A (en) * 1982-06-07 1983-05-10 Eaton Corporation Push-button switch with improved rocking contactor switch mechanism
JPS5996722U (en) * 1982-12-20 1984-06-30 星電器製造株式会社 small switch
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JPS6182321U (en) * 1984-11-05 1986-05-31
DE8604034U1 (en) * 1986-02-14 1988-07-28 SWF Auto-Electric GmbH, 7120 Bietigheim-Bissingen Switches, especially for motor vehicles
US4758694A (en) * 1987-07-02 1988-07-19 United Technologies Automotive, Inc. Push-push type switch with tactile feedback
DE3809144A1 (en) * 1988-03-18 1989-09-28 Rafi Gmbh & Co Push-button switch
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DE4330576C1 (en) * 1993-09-09 1994-11-10 Preh Elektro Feinmechanik Momentary-contact switch (push-button switch)
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US6028279A (en) * 1998-02-27 2000-02-22 Korry Electronics Co. Lighted push button switch

Also Published As

Publication number Publication date
US20040262140A1 (en) 2004-12-30
WO2003041100A3 (en) 2004-04-29
ES2262894T3 (en) 2006-12-01
US6965087B2 (en) 2005-11-15
DE10250262A1 (en) 2003-05-15
DE50206595D1 (en) 2006-06-01
AU2002363340A1 (en) 2003-05-19
WO2003041100A2 (en) 2003-05-15
EP1440455A2 (en) 2004-07-28
ATE324663T1 (en) 2006-05-15

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