EP0899761A2 - Device for preventing an actuation of a push button switch for an electrical apparatus - Google Patents

Device for preventing an actuation of a push button switch for an electrical apparatus Download PDF

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Publication number
EP0899761A2
EP0899761A2 EP98111590A EP98111590A EP0899761A2 EP 0899761 A2 EP0899761 A2 EP 0899761A2 EP 98111590 A EP98111590 A EP 98111590A EP 98111590 A EP98111590 A EP 98111590A EP 0899761 A2 EP0899761 A2 EP 0899761A2
Authority
EP
European Patent Office
Prior art keywords
holder
bracket
web
holes
leg ends
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.)
Ceased
Application number
EP98111590A
Other languages
German (de)
French (fr)
Other versions
EP0899761A3 (en
Inventor
Klaus-Peter Dipl.-Ing. Eppe
Rolf Dipl.-Ing. Goehle
Volker Schmitt
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.)
ABB Patent GmbH
Original Assignee
ABB Patent GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ABB Patent GmbH filed Critical ABB Patent GmbH
Publication of EP0899761A2 publication Critical patent/EP0899761A2/en
Publication of EP0899761A3 publication Critical patent/EP0899761A3/en
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
    • H01H9/281—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock
    • H01H9/282—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock and a separate part mounted or mountable on the switch assembly and movable between an unlocking position and a locking position where it can be secured by the padlock
    • H01H9/283—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock and a separate part mounted or mountable on the switch assembly and movable between an unlocking position and a locking position where it can be secured by the padlock the part being removable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
    • H01H9/286—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a removable locking part acting directly on the operating part

Definitions

  • the invention relates to a device for actuating an actuating push button for an electrical installation device according to the preamble of claim 1.
  • Installation switching devices are switched off when working on the relevant networks. It must be prevented that the installation switching device is switched on unintentionally, while working in a network. In some cases it must be prevented that the Network is switched off.
  • the bracket has two legs, the free ends are turned outwards; these bends or turns are in holes used on the circuit breaker itself, whereby the switch toggle in its Movement in the switch-on direction is impeded.
  • the object of the invention is to provide a device of the type mentioned in the introduction, which can be used with push buttons.
  • the device is U-shaped bent bow made of resilient material
  • the leg ends after bent inside and diametrically opposed holes on the push button are insertable that the inn from one of these slidable Holders are included in that in a first position in which the holder is in the area of Web of the bracket is located, the legs are bendable, so that the leg ends can be inserted into the holes and that the holder in a second position, in which it is shifted towards the leg ends, holds the inn, whereby between a space is left free between the holder and the web of the bracket which the lock shackle of a padlock can be pushed through.
  • the bracket is more preferred Made from springy wire.
  • two pairs of diametrically opposed holes may be provided, one of which one in the area of the free end of the push button and the other in the area is arranged, which is in the area of the front wall of the installation switching device when the actuation button is completely out of the installation switching device protrudes (exhibition or exhibition).
  • a circuit breaker 10 has an actuating push button as an actuating element 11, which protrudes from the front 12 of the circuit breaker 10. Of the Operating button 11 is in the off position. It has two pairs of holes, a first pair 13, 13a, which is located in the area of the actuating surface 14, and a second pair 15, 15a, which is located in the area that immediately connects to the front surface 12. Of the two holes, only those are To see viewers facing holes 13 and 15; the other holes in each pair are diametrically on the back.
  • hole 15 is shown in dashed lines and this corresponds diametrically opposite hole 15a, also drawn in broken lines; a similar Hole arrangement is assigned to hole 13.
  • a U-shaped bracket is provided, the two legs 17 and 18 has, whose leg ends 19 and 20 are bent inwards.
  • a holder 21 is slidable, the two legs 17 and 18 includes and which is moved in the double arrow direction P along the leg can be.
  • the holder 21 is in the Area of the web 22 shown in broken lines and thus gives the greatest length of Legs 17 and 18 free, so that the legs 17 and 18 are slightly bent and the leg ends 19 and 20 can come free from the holes 15 and 15a.
  • either the bracket 16 can be removed; or the other way around the bracket 16 can be attached to the push button 11 in which the two Legs 17 and 18 are bent and the leg ends 19 and 20 into the holes 15, 15a can be engaged.
  • FIG. 3 shows the circuit breaker 10 in the switched-on state, namely in the state in which the actuating button 11 is pressed in.
  • the device according to the invention with the bracket 16 is inserted into the holes 13, 13a, but the holder 21 is displaced towards the ends of the legs 17 and 18, so that the web 22 appears in a semicircular recess 23, as a result of which an opening 24 is formed, through which a shackle of a padlock can be inserted; this prevents the holder 21 from being able to be displaced in the direction of the arrow P 1 , ie away from the leg ends 19, 20; the free length of the legs 17, 18 is then dimensioned such that the legs 17, 18 can no longer be bent resiliently, but in their position in which the leg ends 19, 20 are seated in the holes 13, 13a.
  • the holder 21 is a kind of closed ring with an upper plate 30 and a lower plate 31, which are connected to one another by means of connecting walls 32 and 33 at the side edges which run parallel to the legs 17, 18; in the region of the end which is directed towards the leg ends 19, 20, the two upper and lower plates 30, 31 are connected by means of a web 34, so that the holder 21 cannot be pulled off the bracket 16 in the direction of the arrow P 1 .

Landscapes

  • Breakers (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Push-Button Switches (AREA)

Abstract

The activation switch built into an item of electrical equipment and has a push button Ä11Ü moved between an on and an off position. The button has a pair of holes Ä15Ü on opposite sides that receive the ends of metal arms Ä17,18Ü that project from a hanger Ä21Ü. The hanger slides along the arms to a locked position and the bush button cannot be moved.

Description

Die Erfindung betrifft eine Vorrichtung zur Betätigung eines Betätigungsdruckknopfes für ein elektrisches Installationsgerät nach dem Oberbegriff des Anspruches 1.The invention relates to a device for actuating an actuating push button for an electrical installation device according to the preamble of claim 1.

Installationsschaltgeräte, insbesondere solche, mit denen Netze abgesichert werden, werden ausgeschaltet, wenn an den betreffenden Netzen gearbeitet wird. Dabei muß verhindert werden, daß unbeabsichtigt das Installationsschaltgerät eingeschaltet wird, während ain Netz gearbeitet wird. In manchen Fällen muß verhindert werden, daß das Netz abgeschaltet wird.Installation switching devices, especially those with which networks are protected, are switched off when working on the relevant networks. It must be prevented that the installation switching device is switched on unintentionally, while working in a network. In some cases it must be prevented that the Network is switched off.

Bei Installationsschaltgeräten, insbesondere bei Leitungsschutzschaltern erfolgt dies mittels eines Bügels, an dem ein Vorhängeschloß anbringbar ist, der das unbeabsichtigte Einschalten behindert. Dabei besitzt der Bügel zwei Schenke, deren freie Enden nach außen abgebogen sind; diese Ausbiegungen oder Abbiegungen werden in Löcher am Leitungsschutzschalter selbst eingesetzt, wodurch der Schaltknebel in seiner Bewegung in Einschaltrichtung behindert ist.This takes place with installation switching devices, especially with miniature circuit breakers by means of a bracket to which a padlock can be attached, which prevents the unintended Power on disabled. The bracket has two legs, the free ends are turned outwards; these bends or turns are in holes used on the circuit breaker itself, whereby the switch toggle in its Movement in the switch-on direction is impeded.

Aufgabe der Erfindung ist es, eine Vorrichtung der eingangs genannten Art zu schaffen, die bei Betätigungsdruckknöpfen Verwendung finden kann. The object of the invention is to provide a device of the type mentioned in the introduction, which can be used with push buttons.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Vorrichtung einen U-förmig gebogenen Bügel aus federndem Material aufweist, dessen Schenkelenden nach innen abgebogen und in sich diametral gegenüberliegende Löcher am Betätigungsdruckknopf einsteckbar sind, daß die Schenke von einem auf diesen verschiebbaren Halter umfaßt sind, daß in einer ersten Stellung, in der der Halter sich im Bereich des Steges des Bügels befindet, die Schenkel aufbiegbar sind, so daß die Schenkelenden in die Löcher eingesteckt werden können, und daß der Halter in einer zweiten Stellung, in der er zu den Schenkelenden hin verschoben ist, die Schenke festhält, wobei zwischen dem Halter und dem Steg des Bügels ein Zwischenraum freigelassen ist, durch den der Schloßbügel eines Vorhängeschlosses hindurchsteckbar ist.This object is achieved in that the device is U-shaped bent bow made of resilient material, the leg ends after bent inside and diametrically opposed holes on the push button are insertable that the inn from one of these slidable Holders are included in that in a first position in which the holder is in the area of Web of the bracket is located, the legs are bendable, so that the leg ends can be inserted into the holes and that the holder in a second position, in which it is shifted towards the leg ends, holds the inn, whereby between a space is left free between the holder and the web of the bracket which the lock shackle of a padlock can be pushed through.

Gemäß einer weiteren Ausführungsform der Erfindung ist der Bügel in bevorzugter Weise aus federndem Draht hergestellt.According to a further embodiment of the invention, the bracket is more preferred Made from springy wire.

Gemäß einer weiteren Ausgestaltung der Erfindung können an dem Betätigungsknopf zwei Paare von sich diametral gegenüberliegenden Löchern vorgesehen sein, von denen eines im Bereich des freien Endes des Druckknopfes und das andere in dem Bereich angeordnet ist, das sich im Bereich der Frontwand des Installationsschaltgerätes befindet, wenn der Betätigungsdruckknopf vollständig aus dem Installationsschaltgerät herausragt (Ein- bzw. Ausstellung).According to a further embodiment of the invention, on the actuating button two pairs of diametrically opposed holes may be provided, one of which one in the area of the free end of the push button and the other in the area is arranged, which is in the area of the front wall of the installation switching device when the actuation button is completely out of the installation switching device protrudes (exhibition or exhibition).

Auf diese Weise besteht die Möglichkeit, daß mit der erfindungsgemäßen Vorrichtung ein Hineindrücken des Betätigungsdruckknopfes sowohl zum Einschalten des Installationsgerätes als auch ein weiters Hineindrücken zum Ausschalten des Installationsschaltgerätes wirksam behindert ist.In this way there is the possibility that with the device according to the invention a pushing in the actuation button both for switching on the installation device as well as a further push in to switch off the installation switching device is effectively disabled.

Anhand der Zeichnung, in der ein Ausführungsbeispiel der Erfindung dargestellt ist, sollen die Erfindung sowie weitere vorteilhafte Ausgestaltungen und Verbesserungen der Erfindung näher erläutert und beschrieben werden. Using the drawing, in which an embodiment of the invention is shown, the invention and further advantageous refinements and improvements the invention are explained and described in more detail.

Es zeigen:

Fig. 1
eine Seitenansicht einer erfindungsgemäßen Vorrichtung, in einer ersten Stellung,
Fig. 2
eine Aufsicht auf die Anordnung gemäß Fig. 1,
Fig. 3
eine andere Stellung der Anordnung gemäß Fig. 1,
Fig. 4
eine Aufsicht auf die Anordnung gemäß Fig. 3, und
Fig. 5
eine Ansicht auf die Rückseite des Halters.
Show it:
Fig. 1
2 shows a side view of a device according to the invention, in a first position,
Fig. 2
2 shows a top view of the arrangement according to FIG. 1,
Fig. 3
another position of the arrangement according to FIG. 1,
Fig. 4
a supervision of the arrangement of FIG. 3, and
Fig. 5
a view of the back of the holder.

Ein Leitungsschutzschalter 10 besitzt als Betätigungselement einen Betätigungsdruckknopf 11, der aus der Frontseite 12 des Leitungsschutzschalters 10 herausragt. Der Betätigungsknopf 11 befindet sich in Ausschaltstellung. Er besitzt zwei Paare von Löchern, ein erstes Paar 13, 13a, welches sich im Bereich der Betätigungsfläche 14 befindet, und ein zweites Paar 15, 15a, welches sich in dem Bereich befindet, der unmittelbar an die Frontfläche 12 anschließt. Von den beiden Löchern sind lediglich die dem Betrachter zugewandten Löcher 13 und 15 zu sehen; die weiteren Löcher jeden Paares befinden sich diametral auf der Rückseite.A circuit breaker 10 has an actuating push button as an actuating element 11, which protrudes from the front 12 of the circuit breaker 10. Of the Operating button 11 is in the off position. It has two pairs of holes, a first pair 13, 13a, which is located in the area of the actuating surface 14, and a second pair 15, 15a, which is located in the area that immediately connects to the front surface 12. Of the two holes, only those are To see viewers facing holes 13 and 15; the other holes in each pair are diametrically on the back.

In Fig. 2 ist das Loch 15 strichliert eingezeichnet und diesem entspricht das diametral gegenüberliegende, ebenfalls strichliert gezeichnete Loch 15a; eine ähnliche Lochanordnung ist dem Loch 13 zugeordnet.In Fig. 2, the hole 15 is shown in dashed lines and this corresponds diametrically opposite hole 15a, also drawn in broken lines; a similar Hole arrangement is assigned to hole 13.

Zur Fixierung bzw. zum Verriegeln des Betätigungsdruckknopfes 11 in der Ausschaltstellung gemäß Fig. 1 ist ein U-förmiger Bügel vorgesehen, der zwei Schenke 17 und 18 aufweist, deren Schenkelenden 19 und 20 nach innen abgebogen sind. Auf den beiden Schenkeln 17 und 18 ist ein Halter 21 verschieblich, der die beiden Schenke 17 und 18 umfaßt und der in Doppelpfeilrichtung P an den Schenkel entlang verschoben werden kann. In der Anordnung gemäß Fig. 1 und 2 befindet sich der Halter 21 im Bereich des strichliert gezeichneten Steges 22 und gibt damit die größte Länge der Schenkel 17 und 18 frei, so daß die Schenkel 17 und 18 leicht aufgebogen werden und die Schenkelenden 19 und 20 von den Löchern 15 und 15a freikommen können. Bei der Ausführung gemäß Fig. 2 kann entweder der Bügel 16 entfernt werden; oder umgekehrt kann der Bügel 16 am Druckknopf 11 angebracht werden, in dem die beiden Schenkel 17 und 18 aufgebogen werden und die Schenkelenden 19 und 20 in die Löcher 15, 15a eingerastet werden.To fix or lock the actuation button 11 in the off position 1, a U-shaped bracket is provided, the two legs 17 and 18 has, whose leg ends 19 and 20 are bent inwards. On the two legs 17 and 18, a holder 21 is slidable, the two legs 17 and 18 includes and which is moved in the double arrow direction P along the leg can be. In the arrangement according to FIGS. 1 and 2, the holder 21 is in the Area of the web 22 shown in broken lines and thus gives the greatest length of Legs 17 and 18 free, so that the legs 17 and 18 are slightly bent and the leg ends 19 and 20 can come free from the holes 15 and 15a. At 2, either the bracket 16 can be removed; or the other way around the bracket 16 can be attached to the push button 11 in which the two Legs 17 and 18 are bent and the leg ends 19 and 20 into the holes 15, 15a can be engaged.

Die Fig. 3 zeigt den Leitungsschutzschalter 10 in eingeschaltetem Zustand, nämlich in dem Zustand, in dem der Betätigungsknopf 11 eingedrückt ist. Die erfindungsgemäße Vorrichtung mit dem Bügel 16 ist in die Löcher 13, 13a eingesetzt, wobei aber der Halter 21 in Richtung zu den Enden der Schenke 17 und 18 verschoben ist, so daß der Steg 22 in einer halbkreisförmigen Aussparung 23 erscheint, wodurch eine Öffnung 24 gebildet ist, durch die ein Bügel eines Vorhängeschlosses hindurchgesteckt werden kann; dadurch wird verhindert, daß der Halter 21 in Pfeilrichtung P1, also von den Schenkelenden 19, 20 weg, verschoben werden kann; die freie Länge der Schenkel 17, 18 ist dann so bemessen, daß die Schenkel 17, 18 federnd jedenfalls nicht mehr aufgebogen werden können, sondern in ihrer Stellung, bei denen die Schenkelenden 19, 20 in den Löchern 13, 13a sitzen, festgehalten sind.3 shows the circuit breaker 10 in the switched-on state, namely in the state in which the actuating button 11 is pressed in. The device according to the invention with the bracket 16 is inserted into the holes 13, 13a, but the holder 21 is displaced towards the ends of the legs 17 and 18, so that the web 22 appears in a semicircular recess 23, as a result of which an opening 24 is formed, through which a shackle of a padlock can be inserted; this prevents the holder 21 from being able to be displaced in the direction of the arrow P 1 , ie away from the leg ends 19, 20; the free length of the legs 17, 18 is then dimensioned such that the legs 17, 18 can no longer be bent resiliently, but in their position in which the leg ends 19, 20 are seated in the holes 13, 13a.

Die Montage der Schenke 17, 18 in die Löcher 13, 13a erfolgt auf gleiche Weise wie die Montage der Schenke 17, 18 in die Löcher 15, 15a. Nach Entfernen des Vorhängeschlosses aus der Öffnung 24 wird der Halter 21 so weit verschoben, daß die größte Länge der Schenke 17 und 18 freigegeben ist; dann können die Schenkelenden 19, 20 federnd aufgebogen und aus den Löchern 13, 13a herausgenommen werden.The installation of the legs 17, 18 in the holes 13, 13a is carried out in the same way as the installation of the legs 17, 18 in the holes 15, 15a. After removing the padlock from the opening 24, the holder 21 is moved so far that the largest Length of the inn 17 and 18 is released; then the leg ends 19, 20 be resiliently bent and removed from the holes 13, 13a.

Im Querschnitt ist der Halter 21 eine Art geschlossener Ring mit einer oberen Platte 30 und einer unteren Platte 31, die an den Seitenkanten, die parallel zu den Schenkeln 17, 18 verlaufen, mittels Verbindungswänden 32 und 33 miteinander verbunden sind; im Bereich des Endes, der zu den Schenkelenden 19, 20 hin gerichtet ist, sind die beiden oberen und unteren Platten 30, 31 mittels eines Steges 34 verbunden, so daß der Halter 21 in Pfeilrichtung P1 nicht von dem Bügel 16 abgezogen werden kann.In cross section, the holder 21 is a kind of closed ring with an upper plate 30 and a lower plate 31, which are connected to one another by means of connecting walls 32 and 33 at the side edges which run parallel to the legs 17, 18; in the region of the end which is directed towards the leg ends 19, 20, the two upper and lower plates 30, 31 are connected by means of a web 34, so that the holder 21 cannot be pulled off the bracket 16 in the direction of the arrow P 1 .

Claims (5)

Vorrichtung zur Verhinderung einer Betätigung eines Betätigungsdruckknopfes für ein elektrisches Installationsgerät, insbesondere für einen elektrischen Leitungsschutzschalter oder Fehlerstromschutzschalter, dadurch gekennzeichnet, daß die Vorrichtung einen U-förmigen Bügel (16) aus federndem Material aufweist, dessen Schenkelenden (19, 20) nach innen abgebogen und in sich diametral gegenüberliegende Löcher (13, 15; 13a, 15a) des Betätigungsdruckknopfes (11) einfügbar sind, und daß die Schenkel (17, 18) des U-förmigen Bügels (16) von einem auf diesen verschiebbaren Halter (21) umfaßt sind, in einer ersten Stellung, in der der Halter (21) sich im Bereich des Steges (22) des Schenkels befindet, aufbiegbar sind, so daß die Schenkelenden (19, 20) in die Löcher einsteckbar bzw. herausnehmbar sind, und in einer zweiten Stellung, in der der Halter zu den Schenkelenden (19, 20) hin verschoben ist, festgehalten sind, wobei zwischen dem Halter (21) und dem Steg (22) des Bügels ein Zwischenraum (24) freigelassen ist, durch den der Schloßbügel eines Vorhängeschlosses hindurchsteckbar ist.Device for preventing actuation of an actuation button for an electrical installation device, in particular for an electrical circuit breaker or residual current circuit breaker, characterized in that the device has a U-shaped bracket (16) made of resilient material, the leg ends (19, 20) of which are bent inwards and diametrically opposed holes (13, 15; 13a, 15a) of the actuating pushbutton (11) can be inserted, and that the legs (17, 18) of the U-shaped bracket (16) are encompassed by a holder (21) which can be displaced thereon , in a first position, in which the holder (21) is located in the region of the web (22) of the leg, can be bent open so that the leg ends (19, 20) can be inserted or removed into the holes, and in a second Position, in which the holder is displaced towards the leg ends (19, 20), are held, between the holder (21) and the web (22) of the bracket a space (24) is left through which the lock shackle of a padlock can be inserted. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Bügel (16) aus federndem Draht hergestellt ist.Device according to claim 1, characterized in that the bracket (16) is made of resilient wire. Vorrichtung nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß der Halter (21) zwei parallel verlaufende Plattenwände (30, 31) und diese an den parallel zu den Schenkeln (17, 18) verlaufenden Kanten verbindende Verbindungswände (33, 32) aufweist, so daß hierdurch ein geschlossener, langgestreckt rechteckförmiger Ring gebildet ist, in den der Bügel (16) einsteckbar ist, und daß zwischen der oberen und der unteren Plattenwand (30, 31) an der den Schenkelenden (19, 20) zugewandten Kante ein Steg (34) vorgesehen ist, der ein Abziehen des Halters (21) von dem Bügel in Richtung zum Steg (22) hin verhindert. Device according to one of the preceding claims, characterized in that the holder (21) two parallel plate walls (30, 31) and these to the Connecting walls connecting edges parallel to the legs (17, 18) (33, 32), so that thereby a closed, elongated rectangular Ring is formed, in which the bracket (16) can be inserted, and that between the upper and lower plate wall (30, 31) on the leg ends (19, 20) facing Edge of a web (34) is provided which pulls the holder (21) off the bracket in the direction of the web (22) prevented. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß der Halter (21) an der dem Druckknopf (11) entgegengesetzten Seitenkante eine Aussparung (23) aufweist, die mit dem Steg (22) die Öffnung (24) bildet.Device according to claim 3, characterized in that the holder (21) a recess (23) on the side edge opposite the push button (11) has, which forms the opening (24) with the web (22). Vorrichtung nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß am Druckknopf (11) zwei Paare von Löchern (13, 15) vorgesehen sind, von denen sich das eine Paar in der Nähe der Betätigungsfläche (14) und das andere Paar im Bereich der Frontwand (12) des Installationsschaltgerätes befindet, wenn sich der Betätigungsdruckknopf (11) in seiner herausgesprungenen, Ausschaltstellung, befindet.Device according to one of the preceding claims, characterized in that two pairs of holes (13, 15) are provided on the push button (11), of which one pair near the operating surface (14) and the other pair in the area the front wall (12) of the installation switching device is when the actuation button is (11) in its popped out position.
EP98111590A 1997-09-01 1998-06-24 Device for preventing an actuation of a push button switch for an electrical apparatus Ceased EP0899761A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29715672U 1997-09-01
DE29715672U DE29715672U1 (en) 1997-09-01 1997-09-01 Device for preventing actuation of an actuation push button for an electrical installation device

Publications (2)

Publication Number Publication Date
EP0899761A2 true EP0899761A2 (en) 1999-03-03
EP0899761A3 EP0899761A3 (en) 1999-08-25

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EP98111590A Ceased EP0899761A3 (en) 1997-09-01 1998-06-24 Device for preventing an actuation of a push button switch for an electrical apparatus

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DE (1) DE29715672U1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE808137C (en) * 1949-11-01 1951-07-12 Schiele Industriewerke G M B H Locking device for manual switching means on electrical devices
US2937248A (en) * 1959-02-27 1960-05-17 Ite Circuit Breaker Ltd Circuit breaker handle lock
GB2027994A (en) * 1978-04-24 1980-02-27 Merlin Gerin Handle fastening device for an electrical circuit breaker

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE808137C (en) * 1949-11-01 1951-07-12 Schiele Industriewerke G M B H Locking device for manual switching means on electrical devices
US2937248A (en) * 1959-02-27 1960-05-17 Ite Circuit Breaker Ltd Circuit breaker handle lock
GB2027994A (en) * 1978-04-24 1980-02-27 Merlin Gerin Handle fastening device for an electrical circuit breaker

Also Published As

Publication number Publication date
EP0899761A3 (en) 1999-08-25
DE29715672U1 (en) 1999-01-07

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