EP2478541B1 - Actuator with signal display - Google Patents

Actuator with signal display Download PDF

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Publication number
EP2478541B1
EP2478541B1 EP10739923.0A EP10739923A EP2478541B1 EP 2478541 B1 EP2478541 B1 EP 2478541B1 EP 10739923 A EP10739923 A EP 10739923A EP 2478541 B1 EP2478541 B1 EP 2478541B1
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EP
European Patent Office
Prior art keywords
actuator
led
switching
actuator according
display
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP10739923.0A
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German (de)
French (fr)
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EP2478541A1 (en
Inventor
Jean Jacques Faurie
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.)
Siemens AG
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Siemens AG
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Publication date
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Publication of EP2478541A1 publication Critical patent/EP2478541A1/en
Application granted granted Critical
Publication of EP2478541B1 publication Critical patent/EP2478541B1/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/023—Light-emitting indicators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/062—Light conductor

Definitions

  • the invention relates to an actuator which is provided for switching a switching unit and having a display having a display surface and a lighting element.
  • Such actuators are regularly used for command input to so-called machine / human interfaces. Not only a use for the switching of control currents, but also for power circuits is conceivable by the actuator is used as a trigger for circuit breakers. High demands are placed on these actuators with regard to service life, robustness and sealing of the electrical part against water and dirt. In addition, the manufacturability should be as cost effective and reliable.
  • Command devices are mounted in control panels, control panels, control cabinet doors or enclosure covers.
  • Command devices are generally modular. That is, they consist of a push button, a fastening part, such as a ring nut or a mounting bracket and one or more switching elements, which are designed as normally closed or normally closed contacts.
  • the actuator is usually guided from the front through a hole in the dash panel and mounted from behind by means of a fastening part.
  • the switching elements are mechanically fastened with screws, snap hooks or bolts on the actuator or on the fastening part. The electrical connection of the switching elements to the controller via terminals.
  • the signal is generated by opening positive-opening contacts. This means that with an unconfirmed emergency stop command device, the contacts and thus the associated circuit are closed. In the fault or emergency is interrupted by hitting the emergency stop actuator, which is located in front of the panel, the NC contact and put the system or machine in a safe state.
  • the emergency stop command device is no longer functional. That is, in an emergency operation, the contacts are not opened and thus there is no elimination of the dangerous condition. This can lead to fatal damage to man and machine. Therefore, the secure connection between actuator and switching element is essential.
  • an emergency stop button with a mushroom-shaped actuator head and a composite of different parts body with a fixed key guide with at least one moving part and with a locking assembly
  • the pressed-emergency button this in the "pressed" position holds, the emergency stop button can be unlocked by train and / or rotation of the actuator head.
  • the actuating head has an opening in which a lens closing the opening can be used is illuminated by a arranged at the opposite end of the actuating head luminous element, wherein the locking arrangement between the luminous element and the actuating head is arranged, and wherein the locking arrangement is formed or arranged in a translucent manner, and wherein the fixed and movable parts have axial light passage openings ,
  • document GB 2 350 722 shows an actuator according to the preamble of claim 1.
  • a disadvantage of this prior art is that the locking arrangement between the luminous element and the actuating head is arranged so that the light can not be passed without hindrance to the operating head.
  • the object of the present invention is to provide an actuator with an illuminated signal display, in which the light can be passed freely to the operating head.
  • an actuator which is provided for switching a switching unit and having a display having a window and a lighting element.
  • the invention is characterized in that the lighting element is designed as an LED, wherein the light of the LED on a in the actuated state directly, i. directly or without an obstacle, is guided over the LED arranged light guide.
  • the actuator according to the invention is preferably constructed in two parts and has an actuating head and a rosette.
  • the actuating head is preferably designed like a mushroom and overlaps the rosette. From the actuator head housing guides protrude into the rosette. Close the housing guides a spring element. On the lid of the actuating head is a window-like recess, which serves as a display surface.
  • Fig. 1 shows an actuator 1 according to the invention with a preferably two-part housing of the actuator head 2 and a rosette 3.
  • the actuator head 2 is preferably executed like a mushroom and overlaps the rosette 3.
  • On the top of the actuating head 2 is a preferably annular display surface 14.
  • the rosette 3, for example be attached via clamping or locking elements on the actuating head 2.
  • Within the actuator there is a preferably concentric housing guide 4, in whose interior 5 a spring element 6 is arranged.
  • the spring element 6 is preferably formed spirally, wherein in the interior of the spring element, a light guide 7 is located, which is attached to the actuating head 2.
  • the housing guide 4 engages in the lower end in a sleeve 8, which is also formed concentrically and in the interior of a chimney 9 and an LED 10 is arranged.
  • a sleeve 8 which is also formed concentrically and in the interior of a chimney 9 and an LED 10 is arranged.
  • two slides 11 are arranged, which are arranged adjacent to the chimney 9 and which are in operative connection with latching elements 15 of the housing guide 4.
  • the actuator 1 is operatively connected to the switching element 12, which is arranged below the actuator 1.
  • the presented here actuator according to the invention with preferably annular signal display offers the advantage that the respective switching state of the actuator is clearly visible, the actuator is based on a mounting friendly structure.

Landscapes

  • Illuminated Signs And Luminous Advertising (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
  • Push-Button Switches (AREA)

Description

Die Erfindung betrifft einen Betätiger, der zur Schaltung einer Schalteinheit vorgesehen ist und eine Anzeige aufweist, die eine Anzeigefläche sowie ein Beleuchtungselement aufweist.The invention relates to an actuator which is provided for switching a switching unit and having a display having a display surface and a lighting element.

Derartige Betätiger werden zur Befehlseingabe an so genannten Maschinen/Mensch-Schnittstellen regelmäßig verwendet. Dabei ist nicht nur eine Verwendung zur Schaltung von Steuerströmen, sondern auch für Leistungsschaltungen denkbar, indem der Betätiger als Auslöser für Leistungsschalter eingesetzt wird. An diese Betätiger werden hohe Anforderungen bezüglich Lebensdauer, Robustheit sowie Abdichtung des elektrischen Teils gegen Wasser und Schmutz gestellt. Außerdem soll die Herstellbarkeit möglichst kostengünstig und prozesssicher sein.Such actuators are regularly used for command input to so-called machine / human interfaces. Not only a use for the switching of control currents, but also for power circuits is conceivable by the actuator is used as a trigger for circuit breakers. High demands are placed on these actuators with regard to service life, robustness and sealing of the electrical part against water and dirt. In addition, the manufacturability should be as cost effective and reliable.

Diese Befehlsgeräte werden in Schalttafeln, Bedientableaus, Schaltschranktüren oder Gehäusedeckel montiert. Befehlsgeräte sind in der Regel modular aufgebaut. Das bedeutet, sie bestehen aus einem Druckknauf, einem Befestigungsteil, wie zum Beispiel einer Ringmutter oder einem Montagehalter und einem oder mehreren Schaltelementen, die als Öffner- oder Schließerschaltglieder ausgeführt sind. Zur Montage wird der Betätiger in der Regel von vorn durch ein Loch in der Schalttafel geführt und von hinten mittels eines Befestigungsteils montiert. Die Schaltelemente werden mit Schrauben, Schnapphaken oder Riegeln mechanisch am Betätiger oder am Befestigungsteil befestigt. Die elektrische Verbindung der Schaltelemente mit der Steuerung erfolgt über Anschlussklemmen.These command devices are mounted in control panels, control panels, control cabinet doors or enclosure covers. Command devices are generally modular. That is, they consist of a push button, a fastening part, such as a ring nut or a mounting bracket and one or more switching elements, which are designed as normally closed or normally closed contacts. For installation, the actuator is usually guided from the front through a hole in the dash panel and mounted from behind by means of a fastening part. The switching elements are mechanically fastened with screws, snap hooks or bolts on the actuator or on the fastening part. The electrical connection of the switching elements to the controller via terminals.

Bei Sicherheitsanwendungen, wie zum Beispiel Not-Aus-Befehlsgeräten ist es Vorschrift, dass das Signal durch das Öffnen von zwangsöffnenden Kontakten erzeugt wird. Das heißt, dass bei einem unbetätigten Not-Aus-Befehlsgerät die Kontakte und damit der zugehörige Stromkreis geschlossen sind. Im Störungs- oder Notfall wird durch Schlagen auf den Not-Aus-Betätiger, der sich vor der Schalttafel befindet, der Öffnerkontakt unterbrochen und die Anlage oder Maschine in einen sicheren Zustand versetzt. Dies funktioniert jedoch nur, wenn die räumliche Zuordnung zwischen Betätiger und Schaltelement sichergestellt ist. Durch mangelhafte Montage oder durch Gewalteinwirkung kann es vorkommen, dass die Schaltelemente mechanisch vom Betätiger getrennt werden. In diesem Fall ist das Not-Aus-Befehlsgerät nicht mehr funktionsfähig. Das heißt, bei einer Betätigung im Notfall werden die Kontakte nicht geöffnet und damit erfolgt auch keine Beseitigung des Gefahrenzustands. Dies kann zu fatalen Schäden für Mensch und Maschine führen. Daher kommt der sicheren Verbindung zwischen Betätiger und Schaltelement eine wesentliche Bedeutung zu.For safety applications, such as emergency stop devices, it is mandatory that the signal is generated by opening positive-opening contacts. This means that with an unconfirmed emergency stop command device, the contacts and thus the associated circuit are closed. In the fault or emergency is interrupted by hitting the emergency stop actuator, which is located in front of the panel, the NC contact and put the system or machine in a safe state. However, this only works if the spatial assignment between the actuator and the switching element is ensured. Due to poor installation or due to the effects of force, it may happen that the switching elements are mechanically separated from the actuator. In this case, the emergency stop command device is no longer functional. That is, in an emergency operation, the contacts are not opened and thus there is no elimination of the dangerous condition. This can lead to fatal damage to man and machine. Therefore, the secure connection between actuator and switching element is essential.

Die Forderung nach einer integrierten optischen Anzeige, bei der es sich sowohl um eine mechanische und/oder elektrische Schaltanzeige handelt, führt zu der Problematik der Unterbringung der erforderlichen Bauteile, da das Gesamtvolumen des Gerätes, insbesondere durch einen genormten Einbaudurchmesser (zum Beispiel 22,5 mm) nur in engen Grenzen variiert werden kann. Bisher wurde, wenn eine Integration der Anzeige in das Befehlsgerät nicht möglich war, meist eine zusätzliche Befehlsstelle, beispielsweise mit einem Leuchtmelder, angebracht. Auf Grund des zusätzlichen Platzbedarfs, zum Beispiel auf einer Schalttafel der Installationseinheit und der zwingenden Verwendung einer separaten Anzeige, ist diese Lösung unvorteilhaft.The requirement for an integrated optical display, which is both a mechanical and / or electrical switching display, leads to the problem of housing the required components, since the total volume of the device, in particular by a standard mounting diameter (for example 22.5 mm) can be varied only within narrow limits. So far, if an integration of the display in the command device was not possible, usually an additional command point, for example, with a light-emitting attached. Due to the extra space required, for example on a panel of the installation unit and the mandatory use of a separate display, this solution is unfavorable.

Aus der DE 100 11 624 C1 geht eine Not-Aus-Taste hervor mit einem pilzförmigen Betätigungskopf und einem aus verschiedenen Teilen zusammengesetzten Grundkörper mit einer fest angeordneten Tastenführung mit mindestens einem beweglichen Teil und mit einer Verriegelungsanordnung, die bei gedrückter Not-Aus-Taste diese in der "Gedrückt"-Stellung hält, wobei die Not-Aus-Taste durch Zug und/oder Drehung des Betätigungskopfes entriegelbar ist. Der Betätigungskopf weist eine Öffnung auf, in der eine die Öffnung verschließende Linse einsetzbar ist, die von einem am gegenüber liegenden Ende des Betätigungskopfs angeordneten Leuchtelement beleuchtbar ist, wobei die Verriegelungsanordnung zwischen dem Leuchtelement und dem Betätigungskopf angeordnet ist, und wobei die Verriegelungsanordnung in lichtdurchlässiger Weise ausgebildet oder angeordnet ist, und wobei die festen und beweglichen Teile axiale Lichtdurchtrittsöffnungen aufweisen.From the DE 100 11 624 C1 goes out an emergency stop button with a mushroom-shaped actuator head and a composite of different parts body with a fixed key guide with at least one moving part and with a locking assembly, the pressed-emergency button, this in the "pressed" position holds, the emergency stop button can be unlocked by train and / or rotation of the actuator head. The actuating head has an opening in which a lens closing the opening can be used is illuminated by a arranged at the opposite end of the actuating head luminous element, wherein the locking arrangement between the luminous element and the actuating head is arranged, and wherein the locking arrangement is formed or arranged in a translucent manner, and wherein the fixed and movable parts have axial light passage openings ,

Dokument GB 2 350 722 zeigt einen Betätiger gemäß dem Oberbegriff des Anspruchs 1.document GB 2 350 722 shows an actuator according to the preamble of claim 1.

Nachteilig an diesem Stand der Technik ist, dass die Verriegelungsanordnung zwischen Leuchtelement und Betätigungskopf angeordnet ist, so dass das Licht nicht ohne Hindernis zum Betätigungskopf geführt werden kann.A disadvantage of this prior art is that the locking arrangement between the luminous element and the actuating head is arranged so that the light can not be passed without hindrance to the operating head.

Demgemäß besteht die Aufgabe der vorliegenden Erfindung darin, einen Betätiger mit einer beleuchteten Signalanzeige zu schaffen, bei welchem das Licht ungehindert zum Betätigungskopf geführt werden kann.Accordingly, the object of the present invention is to provide an actuator with an illuminated signal display, in which the light can be passed freely to the operating head.

Diese Aufgabe wird durch einen Betätiger mit den Merkmalen des Patentanspruchs 1 gelöst. Vorteilhafte Aus- und Weiterbildungen, welche einzeln oder in Kombination miteinander eingesetzt werden können, sind der Gegenstand der abhängigen Ansprüche.This object is achieved by an actuator having the features of patent claim 1. Advantageous embodiments and developments, which can be used individually or in combination with each other, are the subject of the dependent claims.

Erfindungsgemäß wird diese Aufgabe durch einen Betätiger gelöst, der zur Schaltung einer Schalteinheit vorgesehen ist und eine Anzeige aufweist, die ein Fenster sowie ein Beleuchtungselement aufweist. Die Erfindung zeichnet sich dadurch aus, dass das Beleuchtungselement als LED ausgebildet ist, wobei das Licht der LED über einen im betätigten Zustand direkt, d.h. unmittelbar bzw. ohne Hindernis, über der LED angeordneten Lichtleiter geführt ist.According to the invention this object is achieved by an actuator which is provided for switching a switching unit and having a display having a window and a lighting element. The invention is characterized in that the lighting element is designed as an LED, wherein the light of the LED on a in the actuated state directly, i. directly or without an obstacle, is guided over the LED arranged light guide.

Der erfindungsgemäße Betätiger ist vorzugsweise zweiteilig aufgebaut und weist einen Betätigungskopf und eine Rosette auf. Der Betätigungskopf ist vorzugsweise pilzartig ausgeführt und überlappt die Rosette. Vom Betätigungskopf ragen Gehäuseführungen in die Rosette. Die Gehäuseführungen schließen ein Federelement ein. Auf dem Deckel des Betätigungskopfes befindet sich eine fensterartige Ausnehmung, die als Anzeigefläche dient.The actuator according to the invention is preferably constructed in two parts and has an actuating head and a rosette. The actuating head is preferably designed like a mushroom and overlaps the rosette. From the actuator head housing guides protrude into the rosette. Close the housing guides a spring element. On the lid of the actuating head is a window-like recess, which serves as a display surface.

Weitere Vorteile und Ausführungen der Erfindung werden nachfolgend anhand von Ausführungsbeispielen sowie anhand der Zeichnung erläutert.Further advantages and embodiments of the invention will be explained below with reference to embodiments and with reference to the drawing.

Dabei zeigen schematisch:

  • Fig. 1 in einer Schnittdarstellung ein Ausführungsbeispiel eines erfindungsgemäßen Betätigers mit Signalanzeige im unbetätigten Zustand;
  • Fig. 2 in einer Draufsicht einen erfindungsgemäßen Betätiger mit von außen sichtbarer Signalanzeige.
Here are shown schematically:
  • Fig. 1 in a sectional view of an embodiment of an actuator according to the invention with signal display in the unactuated state;
  • Fig. 2 in a plan view of an actuator according to the invention with externally visible signal display.

Fig. 1 zeigt einen erfindungsgemäßen Betätiger 1 mit einem vorzugsweise zweiteiligen Gehäuse aus Betätigungskopf 2 und einer Rosette 3. Der Betätigungskopf 2 ist vorzugsweise pilzartig ausgeführt und überlappt die Rosette 3. Auf der Oberseite des Betätigungskopfes 2 befindet sich eine vorzugsweise ringförmige Anzeigefläche 14. Die Rosette 3 kann beispielsweise über Klemm- oder Rastelemente am Betätigungskopf 2 befestigt sein. Innerhalb des Betätigers befindet sich eine vorzugsweise konzentrisch ausgeführte Gehäuseführung 4, in deren Innenraum 5 ein Federelement 6 angeordnet ist. Das Federelement 6 ist vorzugsweise spiralförmig ausgebildet, wobei sich im Inneren des Federelementes ein Lichtleiter 7 befindet, der am Betätigungskopf 2 befestigt ist. Die Gehäuseführung 4 greift im unteren Ende in eine Hülse 8, die ebenfalls konzentrisch ausgebildet ist und in deren Innenraum ein Kamin 9 sowie eine LED 10 angeordnet ist. Im unteren Teil der Hülse 8, sind zwei Schieber 11 angeordnet, die am Kamin 9 anliegend angeordnet sind und die in Wirkverbindung mit Rastelementen 15 der Gehäuseführung 4 stehen. Der Betätiger 1 steht in Wirkverbindung mit dem Schaltelement 12, das unterhalb des Betätigers 1 angeordnet ist. Fig. 1 shows an actuator 1 according to the invention with a preferably two-part housing of the actuator head 2 and a rosette 3. The actuator head 2 is preferably executed like a mushroom and overlaps the rosette 3. On the top of the actuating head 2 is a preferably annular display surface 14. The rosette 3, for example be attached via clamping or locking elements on the actuating head 2. Within the actuator there is a preferably concentric housing guide 4, in whose interior 5 a spring element 6 is arranged. The spring element 6 is preferably formed spirally, wherein in the interior of the spring element, a light guide 7 is located, which is attached to the actuating head 2. The housing guide 4 engages in the lower end in a sleeve 8, which is also formed concentrically and in the interior of a chimney 9 and an LED 10 is arranged. In the lower part of the sleeve 8, two slides 11 are arranged, which are arranged adjacent to the chimney 9 and which are in operative connection with latching elements 15 of the housing guide 4. The actuator 1 is operatively connected to the switching element 12, which is arranged below the actuator 1.

Aus Fig. 2 geht die von außen sichtbare Signalanzeige 13 hervor, die im unbetätigten Zustand nicht beleuchtet ist.Out Fig. 2 goes out from the outside visible signal display 13, which is not illuminated in the unactuated state.

Der hier vorgestellte erfindungsgemäße Betätiger mit vorzugsweise ringförmiger Signalanzeige bietet den Vorteil, dass der jeweilige Schaltzustand des Betätigers klar ersichtlich ist, wobei der Betätiger auf einem montagefreundlichen Aufbau beruht. The presented here actuator according to the invention with preferably annular signal display offers the advantage that the respective switching state of the actuator is clearly visible, the actuator is based on a mounting friendly structure.

Claims (5)

  1. Actuator provided for switching a switching unit and having a display having a display surface (14) and an illumination element, wherein the illumination element is embodied as an LED (10) wherein the light of the LED (10) is guided through a light conductor (7) arranged directly above the LED (10) in the actuated state and wherein a housing guide (4) is disposed within the actuator, in the interior (5) of which a spring element (6) is arranged, characterised in that the light conductor (7) which is fastened to the actuation button (2) is disposed in the interior of the spring element (6).
  2. Actuator according to claim 1, characterised in that the LED (10) is arranged on a pipe (9), which has an active connection with a switching element (12).
  3. Actuator according to claim 2, characterised in that sliders (11) are arranged resting on the pipe (9) and have an active connection with snap-fit elements (15) of the housing guide (4).
  4. Actuator according to one of the preceding claims, characterised in that the light conductor (7) is fastened to the actuation button (2).
  5. Actuator according to one of the preceding claims, characterised in that the signal displays (13) are embodied annularly.
EP10739923.0A 2009-09-15 2010-08-02 Actuator with signal display Active EP2478541B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009041542A DE102009041542A1 (en) 2009-09-15 2009-09-15 Actuator with signal display
PCT/EP2010/061230 WO2011032774A1 (en) 2009-09-15 2010-08-02 Actuator having a signal display

Publications (2)

Publication Number Publication Date
EP2478541A1 EP2478541A1 (en) 2012-07-25
EP2478541B1 true EP2478541B1 (en) 2016-11-16

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ID=43027589

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10739923.0A Active EP2478541B1 (en) 2009-09-15 2010-08-02 Actuator with signal display

Country Status (4)

Country Link
EP (1) EP2478541B1 (en)
BR (1) BR112012005808B1 (en)
DE (1) DE102009041542A1 (en)
WO (1) WO2011032774A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015117840A1 (en) 2015-10-20 2017-04-20 Eaton Electrical Ip Gmbh & Co. Kg Base part for a command and / or signaling device
DE102019101265A1 (en) 2019-01-18 2020-07-23 Eaton Intelligent Power Limited Push button arrangement with identification of a switching state
DE102019101264A1 (en) 2019-01-18 2020-07-23 Eaton Intelligent Power Limited Push button arrangement with identification of a switching state

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2350722B (en) * 1999-05-29 2002-10-02 Gamesman Ltd Improvements relating to push button switch assemblies
DE10011624C1 (en) 2000-03-10 2001-07-26 Moeller Gmbh Emergency cut-out button for electrical machine has depressed operating head held in depressed position by locking device and illuminated by internal light element
US6365855B1 (en) * 2000-03-28 2002-04-02 Thomson Licensing S.A. Illuminated button
WO2006056459A1 (en) * 2004-11-25 2006-06-01 Preh Gmbh Control element for a motor vehicle
DE202005003663U1 (en) * 2005-03-08 2005-07-21 Trw Automotive Electronics & Components Gmbh & Co. Kg Electric push-button
DE102007035241B4 (en) * 2007-07-25 2017-01-19 Huf Hülsbeck & Fürst Gmbh & Co. Kg switching device
JP2009117065A (en) * 2007-11-02 2009-05-28 Alps Electric Co Ltd Illuminated switch device

Also Published As

Publication number Publication date
EP2478541A1 (en) 2012-07-25
DE102009041542A1 (en) 2011-03-24
BR112012005808A2 (en) 2016-02-23
CN102484005A (en) 2012-05-30
BR112012005808B1 (en) 2019-10-08
WO2011032774A1 (en) 2011-03-24

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