EP1401005B1 - Switch device for electrical circuit breaker - Google Patents

Switch device for electrical circuit breaker Download PDF

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Publication number
EP1401005B1
EP1401005B1 EP20030019317 EP03019317A EP1401005B1 EP 1401005 B1 EP1401005 B1 EP 1401005B1 EP 20030019317 EP20030019317 EP 20030019317 EP 03019317 A EP03019317 A EP 03019317A EP 1401005 B1 EP1401005 B1 EP 1401005B1
Authority
EP
European Patent Office
Prior art keywords
limb
spring
twist grip
latching mechanism
longer
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
EP20030019317
Other languages
German (de)
French (fr)
Other versions
EP1401005A3 (en
EP1401005A2 (en
Inventor
Corell Dipl.-Ing. Göbel
Guido Dipl.-Ing. Niewöhner
Ralf Dipl.-Ing. Müller
Georgi Dipl.-Ing. Cwetanski
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 AG Germany
Original Assignee
ABB AG Germany
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 AG Germany filed Critical ABB AG Germany
Publication of EP1401005A2 publication Critical patent/EP1401005A2/en
Publication of EP1401005A3 publication Critical patent/EP1401005A3/en
Application granted granted Critical
Publication of EP1401005B1 publication Critical patent/EP1401005B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/56—Manual reset mechanisms which may be also used for manual release actuated by rotatable knob or wheel

Definitions

  • the invention relates to a switching device according to the preamble of claim 1.
  • switching devices By operating or operating elements switching devices are brought into their functional position, that is, that the switching devices are switched on or off.
  • a mechanical power storage preferably a rotary or coil spring is usually stretched, and the provision of the controls is carried out at a release by a magnetic release or by a thermal release by releasing the stored spring energy.
  • the switch position is visually displayed to the operator.
  • a helical spring is used to return the operating element, which is pushed with the inner bent end on a rotary member with a groove.
  • the support of the spring takes place on the inner leg by wedging in the groove and is tightened by turning the outer leg. Thereafter, the outer leg is locked by hanging in a recess provided.
  • a torsion spring is used to return the controls for rotary drive in the rule.
  • the driven by the torsion spring part is first mounted and subsequently the torsion spring installed so that the spring body and a spring leg fit into recesses provided for this purpose.
  • the second leg is mounted by clamping, positioning and hanging.
  • the object of the invention is a switching device of the type mentioned, in which the assembly is considerably simplified.
  • the spring formed as a helical spring is first inserted with its short leg into the recess, wherein the short leg slides in the groove in the axial direction. Then the protruding from the handle longer leg is rotated, the spring is thereby tensioned until the longer leg comes to rest with its bend against a bar, whereby the spring is held within the handle. Then, a prefabricated structural unit forming handle with spring is placed on the switch lock until the longer shekel snaps behind a stop.
  • a rotary handle 12 Above the upper wall 10 of a housing 11 for a switch lock a rotary handle 12 is shown, which has a circular pot portion 13 and a handle portion 14.
  • a bearing pin 15 which is integrally formed on the housing wall 10 protruding. Furthermore, a projection 16 in the region in the Fig. 4 illustrated rear side edge 18 formed on the housing wall 10. This projection has an opposite side edge facing oblique surface 17 and an undercut 19th
  • an opening 20 is mounted, which is penetrated by an actuating pin 21 which is coupled to the switch lock (not shown) so that upon movement of the actuating pin 21 transversely to its longitudinal direction, the switch lock is switched on and off.
  • a pot rim 23 is formed, which merges into an annular flange which extends in the radial direction.
  • the actuating handle 12 is associated with a coil spring 27 having a screw body 28 at one end of a tangentially extending leg 29 protrudes, whereas at the other end a shorter leg 30 is bent, which extends in the radial direction and its extension inwardly through the center of the screw body or spring body 28 extends.
  • the longer leg 29 has a bend 31. It is, as from the Fig. 4 can be seen, the longer leg 38 so dimensioned that it projects beyond the flange 24 radially.
  • the actuating handle 12 has on its underside an approximately S-shaped formed as a recess S-shaped extending control link 32 having a radially extending portion 33 which is bounded by an approximately U-shaped projection 34.
  • the link 32 is bounded at the portion 33 opposite end 34 of a bar 35 which extends approximately parallel to the radial extent of the groove 26.
  • the bend 31 on the leg 29 is now chosen so that a directly and tangentially adjoining the screw body 28 section 36 projects directly quasi straight from the adjacent turn; By cranking a portion 37 is formed, which occupies a distance from the portion 36. Now, if the spring is inserted with its spring body 28 in the recess 25, wherein the short leg 30 engages in the groove, and then when the longer leg 29 is pivoted clockwise is, whereby the spring is tensioned, the portion 36 slides along the bar 35 until the leg 29 is parallel to the bar 35.
  • the section 36 By pushing the spring body into the depression, the section 36 reaches behind the strip edge of the strip 35, so that this section assumes a distance from the strip edge which corresponds approximately to the offset height.
  • the section 36 applies resiliently against the inside 37 of the strip, so that the spring 27 is biased and remains by its own spring force inside the recess.
  • a structural unit with switching handle and return spring is formed, which can then be placed on the housing wall 10.
  • the bearing pin 15 engages in the recess 25 and thus through the interior of the spring into the handle; the actuating pin 21 passes into the recess 33.
  • the Fig. 4 shows a part of a motor protection switch; not shown are the housing, the switch lock, the contact points and other components, since they are of little importance to the invention.

Description

Die Erfindung betrifft eine Schaltvorrichtung gemäß dem Oberbegriff des Anspruches 1.The invention relates to a switching device according to the preamble of claim 1.

Durch Betätigungs- oder Bedienelemente werden Schaltgeräte in ihre Funktionsstellung gebracht, das heißt, dass die Schaltgeräte ein- bzw. ausgeschaltet werden. Durch das Einschalten wird in der Regel ein mechanischer Kraftspeicher, vorzugsweise eine Dreh- oder Spiralfeder gespannt, und die Rückstellung der Bedienelemente erfolgt bei einer Auslösung durch einen Magnetauslöser oder durch einen thermischen Auslöser durch freisetzen der gespeicherten Federenergie. Durch die Stellung des Bedienelementes, d.h. des Schaltgriffes, wird die Schaltstellung optisch dem Bediener angezeigt.By operating or operating elements switching devices are brought into their functional position, that is, that the switching devices are switched on or off. By switching a mechanical power storage, preferably a rotary or coil spring is usually stretched, and the provision of the controls is carried out at a release by a magnetic release or by a thermal release by releasing the stored spring energy. By the position of the operating element, i. the switching handle, the switch position is visually displayed to the operator.

Bei einer bekannten Ausführung wird zur Rückstellung des Bedienelements eine Spiralfeder eingesetzt, die mit dem inneren abgebogenen Ende auf ein Drehteil mit einer Nut geschoben wird. Die Abstützung der Feder erfolgt am inneren Schenkel durch Verkeilen in der Nut und wird durch Drehen des äußeren Schenkels gespannt. Danach wird der äußere Schenkel durch Einhängen in eine dafür vorgesehenen Ausnehmung arretiert.In a known embodiment, a helical spring is used to return the operating element, which is pushed with the inner bent end on a rotary member with a groove. The support of the spring takes place on the inner leg by wedging in the groove and is tightened by turning the outer leg. Thereafter, the outer leg is locked by hanging in a recess provided.

Bei anderen Schaltgeräten wird zur Rückstellung der Bedienelemente bei Drehantrieb in der Regel eine Drehfeder eingesetzt. Das durch die Drehfeder anzutreibende Teil wird zuerst montiert und nachträglich die Drehfeder so eingebaut, dass der Federkörper und ein Federschenkel in dafür vorgesehene Ausnehmungen passen. Der zweite Schenkel wird durch Spannen, Positionieren und Einhängen montiert.In other switching devices, a torsion spring is used to return the controls for rotary drive in the rule. The driven by the torsion spring part is first mounted and subsequently the torsion spring installed so that the spring body and a spring leg fit into recesses provided for this purpose. The second leg is mounted by clamping, positioning and hanging.

Diese Ausgestaltungen benötigen eine aufwändige Montage der Antriebsfedern. Diese können nicht vorgespannt auf das anzutreibende Teil montiert werden und der freie Federschenkel muss gedreht, positioniert und eingehängt werden. Hierbei sind oft komplizierte dreidimensionale Fügevorgänge nötig, welche viel Montageraum benötigen. Dokument US-A-3024664 offenbart eine Schaltvorrichtung gemäß dem Oberbegriff des Anspruchs 1.These embodiments require a complex assembly of the drive springs. These can not be preloaded mounted on the driven part and the free spring leg must be rotated, positioned and hung. In this case, complicated three-dimensional joining processes are often necessary, which require a lot of mounting space. document US-A-3024664 discloses a switching device according to the preamble of claim 1.

Aufgabe der Erfindung ist es, eine Schaltvorrichtung der Eingangs genannten Art, bei der die Montage erheblich vereinfacht ist.The object of the invention is a switching device of the type mentioned, in which the assembly is considerably simplified.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruches 1 gelöst.This object is achieved by the features of claim 1.

Danach wird die als Schraubenfeder ausgebildete Feder mit ihrem kurzen Schenkel zuerst in die Vertiefung eingesetzt, wobei der kurze Schenkel in der Nut in axialer Richtung gleitet. Sodann wird der aus dem Schaltgriff herausragende längere Schenkel verdreht, wobei die Feder dadurch gespannt wird, bis der längere Schenkel mit seiner Abkröpfung gegen eine Leiste zum anliegen kommt, wodurch die Feder innerhalb des Griffes gehalten ist. Sodann wird der eine vorgefertigte Baueinheit bildende Griff mit Feder auf das Schaltschloss gesetzt, bis der längere Schekel hinter einem Anschlag einrastet.Thereafter, the spring formed as a helical spring is first inserted with its short leg into the recess, wherein the short leg slides in the groove in the axial direction. Then the protruding from the handle longer leg is rotated, the spring is thereby tensioned until the longer leg comes to rest with its bend against a bar, whereby the spring is held within the handle. Then, a prefabricated structural unit forming handle with spring is placed on the switch lock until the longer shekel snaps behind a stop.

Weitere Vorteilhafte Ausgestaltungen und Verbesserungen der Erfindung sind den Unteransprüchen zu entnehmen.Further advantageous embodiments and improvements of the invention can be found in the subclaims.

An Hand der Zeichnung, in der ein Ausführungsbeispiel der Erfindung dargestellt ist, sollen die Erfindung sowie weitere vorteilhaften Ausgestaltungen und Verbesserungen näher erläutert und beschrieben werden.With reference to the drawing, in which an embodiment of the invention is shown, the invention and further advantageous refinements and improvements will be explained and described in detail.

Es zeigen:

Fig. 1
eine perspektivische Ansicht eines Schaltgriffes von unten mit Feder, bevor diese in den Schaltgriff eingesetzt ist,
Fig.2
eine Aufsicht auf den Drehgriff von unten in der Stellung gemäß Fig. 1
Fig. 3
eine der Fig. 1 entsprechende perspektivische Ansicht des Drehgriffes von unten und
Fig. 4
eine perspektivische Ansicht von Schalthausgehäuse und Drehgriff, bevor der Drehgriff auf das Schaltschlossgehäuse aufgesetzt wird.
Show it:
Fig. 1
a perspective view of a handle from below with spring before it is inserted into the handle,
Fig.2
a view of the rotary handle from below in the position according to Fig. 1
Fig. 3
one of the Fig. 1 corresponding perspective view of the rotary handle from below and
Fig. 4
a perspective view of switch housing and turning handle before the rotary handle is placed on the switch housing.

Es sei Bezug genommen auf die Figur 4. Oberhalb der oberen Wandung 10 eines Gehäuses 11 für ein Schaltschloss ist ein Drehgriff 12 dargestellt, der einen kreisförmigen Topfabschnitt 13 und einen Griffabschnitt 14 aufweist.It is referred to the FIG. 4 , Above the upper wall 10 of a housing 11 for a switch lock a rotary handle 12 is shown, which has a circular pot portion 13 and a handle portion 14.

An der Gehäusewand 10 befindet sich ein Lagerzapfen 15, der senkrecht vorspringend an der Gehäusewandung 10 angeformt ist. Weiterhin ist ein Vorsprung 16 im Bereich der in der Fig. 4 dargestellten hinteren Seitenkante 18 an der Gehäusewandung 10 angeformt. Dieser Vorsprung besitzt eine zur gegenüber liegenden Seitenkante hinweisende Schrägfläche 17 und eine Hinterschneidung 19.On the housing wall 10 is a bearing pin 15 which is integrally formed on the housing wall 10 protruding. Furthermore, a projection 16 in the region in the Fig. 4 illustrated rear side edge 18 formed on the housing wall 10. This projection has an opposite side edge facing oblique surface 17 and an undercut 19th

In der Gehäusewandung 10 ist eine Öffnung 20 angebracht, die von einem Betätigungszapfen 21 durchgriffen ist, der mit dem Schaltschloss (nicht dargestellt) so gekoppelt ist, dass bei Bewegung des Betätigungszapfens 21 quer zu seiner Längsrichtung das Schaltschloss ein- bzw. ausgeschaltet wird.In the housing wall 10, an opening 20 is mounted, which is penetrated by an actuating pin 21 which is coupled to the switch lock (not shown) so that upon movement of the actuating pin 21 transversely to its longitudinal direction, the switch lock is switched on and off.

Es sei nun Bezug genommen auf die Fig. 1.It is now referred to the Fig. 1 ,

Diese zeigt eine Einsicht in den Betätigungsgriff 12 von unten; an einer Bodenfläche 22 ist ein Topfrand 23 angeformt, der in einen ringförmigen Flansch zu, der in radialer Richtung verläuft, übergeht.This shows an insight into the operating handle 12 from below; on a bottom surface 22, a pot rim 23 is formed, which merges into an annular flange which extends in the radial direction.

Im Boden befindet sich einer Vertiefung 25, die in den Betätigungsgriff 14 hineinragt und die eine radiale Nut 26 aufweist, die in axialer Richtung verläuft und ins Innere der Vertiefung 25 hin offen ist.In the bottom there is a recess 25 which projects into the actuating handle 14 and which has a radial groove 26 which extends in the axial direction and is open towards the interior of the recess 25.

Dem Betätigungsgriff 12 ist eine Schraubenfeder 27 zugeordnet, die einen Schraubenkörper 28 aufweist, an dessen einem Ende ein tangential verlaufender Schenkel 29 vorspringt, wogegen am anderen Ende ein kürzerer Schenkel 30 abgebogen ist, der in radialer Richtung verläuft und dessen Verlängerung nach Innen durch den Mittelpunkt des Schraubenkörpers oder Federkörpers 28 verläuft. Der längere Schenkel 29 besitzt eine Abkröpfung 31. Dabei ist, wie aus der Fig. 4 ersichtlich, der längere Schenkel 38 so bemessen, dass er den Flansch 24 radial deutlich überragt.The actuating handle 12 is associated with a coil spring 27 having a screw body 28 at one end of a tangentially extending leg 29 protrudes, whereas at the other end a shorter leg 30 is bent, which extends in the radial direction and its extension inwardly through the center of the screw body or spring body 28 extends. The longer leg 29 has a bend 31. It is, as from the Fig. 4 can be seen, the longer leg 38 so dimensioned that it projects beyond the flange 24 radially.

Wenn der Federkörper 28 in die Vertiefung 25 eingesetzt wird, dann greift der kürzere Schenkel in die Nut 26, wie deutlich aus der Fig. 2 ersichtlich ist:When the spring body 28 is inserted into the recess 25, then engages the shorter leg in the groove 26, as clearly from the Fig. 2 it is apparent:

Der Betätigungsgriff 12 besitzt an seiner Unterseite eine etwa S-förmige als Vertiefung ausgebildete S-förmig verlaufende Steuerkulisse 32, die einen radial verlaufenden Abschnitt 33 aufweist, der durch einen etwa U-förmig ausgebildeten Vorsprung 34 begrenzt ist.The actuating handle 12 has on its underside an approximately S-shaped formed as a recess S-shaped extending control link 32 having a radially extending portion 33 which is bounded by an approximately U-shaped projection 34.

Wenn nun der Betätigungsgriff 12 auf die Gehäusewandung 10 aufgesetzt wird, dann gelangt der Lagerzapfen 15 in die Vertiefung 25 und der Betätigungszapfen 21 in die Vertiefung bzw. in den Abschnitt 33.Now, if the operating handle 12 is placed on the housing wall 10, then the bearing pin 15 enters the recess 25 and the actuating pin 21 in the recess or in the section 33rd

Die Kulisse 32 wird an dem Abschnitt 33 entgegengesetzten Ende 34 von einer Leiste 35 begrenzt, die etwa parallel zur radialen Erstreckung der Nut 26 verläuft. Die Abkröpfung 31 am Schenkel 29 ist nun so gewählt, dass ein direkt und tangential an den Schraubenkörper 28 anschließender Abschnitt 36 direkt quasi geradlinig aus der benachbarten Windung vorspringt; durch Kröpfung wird ein Abschnitt 37 gebildet, der von dem Abschnitt 36 einen Abstand einnimmt. Wenn nun die Feder mit ihrem Federkörper 28 in die Vertiefung 25 eingesetzt ist, wobei der kurze Schenkel 30 in die Nut eingreift, und wenn dann der längere Schenkel 29 in Uhrzeigersinn verschwenkt wird, wodurch die Feder gespannt wird, gleitet der Abschnitt 36 auf der Leiste 35 entlang, bis der Schenkel 29 parallel zur Leiste 35 verläuft. Durch Hineindrücken des Federkörpers in die Vertiefung gelangt der Abschnitt 36 hinter den Leistenrand der Leiste 35, so dass dieser Abschnitt vom Leistenrand einen Abstand einnimmt, der etwa der Abkröpfungshöhe entspricht. Der Abschnitt 36 legt sich federnd gegen die Innenseite 37 der Leiste, so dass die Feder 27 vorgespannt ist und durch ihre eigene Federkraft im Inneren der Vertiefung verbleibt. Dadurch ist eine Baueinheit mit Schaltgriff und Rückstellfeder gebildet, die dann auf die Gehäusewandung 10 aufgesetzt werden kann. Dabei, wie oben erwähnt, greift der Lagerzapfen 15 in die Vertiefung 25 und damit durch das Innere der Feder hindurch in den Schaltgriff; der Betätigungszapfen 21 gelangt dabei in die Vertiefung 33. Bei vollständigem Hineindrücken des Schaltgriffes 12 in die Gehäusewandung 10 läuft der Schenkel 29 auf die Schrägfläche 17 des Vorsprunges 16 auf und hintergreift dann die Hinterschneidung 19, so das der Schaltgriff hiermit fertig montiert ist.The link 32 is bounded at the portion 33 opposite end 34 of a bar 35 which extends approximately parallel to the radial extent of the groove 26. The bend 31 on the leg 29 is now chosen so that a directly and tangentially adjoining the screw body 28 section 36 projects directly quasi straight from the adjacent turn; By cranking a portion 37 is formed, which occupies a distance from the portion 36. Now, if the spring is inserted with its spring body 28 in the recess 25, wherein the short leg 30 engages in the groove, and then when the longer leg 29 is pivoted clockwise is, whereby the spring is tensioned, the portion 36 slides along the bar 35 until the leg 29 is parallel to the bar 35. By pushing the spring body into the depression, the section 36 reaches behind the strip edge of the strip 35, so that this section assumes a distance from the strip edge which corresponds approximately to the offset height. The section 36 applies resiliently against the inside 37 of the strip, so that the spring 27 is biased and remains by its own spring force inside the recess. As a result, a structural unit with switching handle and return spring is formed, which can then be placed on the housing wall 10. In this case, as mentioned above, the bearing pin 15 engages in the recess 25 and thus through the interior of the spring into the handle; the actuating pin 21 passes into the recess 33. Upon complete pushing the handle 12 in the housing 10 of the leg 29 runs on the inclined surface 17 of the projection 16 and then engages behind the undercut 19, so that the handle is hereby completely assembled.

Die Fig. 4 zeigt einen Teil eines Motorschutzschalters; nicht dargestellt sind das Gehäuse, das Schaltschloss, die Kontaktstellen und weitere Komponenten, da diese für die Erfindung nur von geringer Bedeutung sind.The Fig. 4 shows a part of a motor protection switch; not shown are the housing, the switch lock, the contact points and other components, since they are of little importance to the invention.

Claims (3)

  1. A switching apparatus, comprising a twist grip (12) for actuating the latching mechanism of an electric switching device, and a latching mechanism to be inserted in a latching mechanism housing (11), a spring (27) which presses the twist grip into the restoring position, with the twist grip (12) being rotatable on a bearing pin (15) formed on the housing wall (10) of the latching mechanism housing and receives an actuating pin (21) of the latching mechanism with an eccentrically arranged hole, with the bearing pin (15) and the actuating pin (21) protruding perpendicularly to the fastening plane of the switching device in the direction of the front side, characterized in that the spring (27) is arranged as a coil spring, on the one end of which there is provided a short limb (30) and on the other end a long limb (29), with the short limb protruding radially, whereas the long limb (29) protrudes tangentially, and with the longer limb (29) having a bent portion (31) which is formed by a step, the twist grip comprises a recess (25) in which the spring body (28) of the spring can be inserted with the short limb (30) first, with the short limb (30) engaging in an axially extending radial groove (26), and a perpendicularly protruding strip (35) being formed on the grip, on which, after the insertion and pivoting of the longer limb (29), its bent portion will rest in a resilient manner and the spring (27) is thus tightly held in the depression.
  2. A switching apparatus according to claim 1, characterized in that a projection (16) is formed on the housing wall of the latching mechanism housing (11), which projection extends perpendicularly thereto and on which the longer limb (29) rests after mounting.
  3. A switching apparatus according to claim 2, characterized in that the projection (16) comprises an oblique edge (17), on which the longer limb (29) ascends during the insertion of the twist grip (12) and can be guided to an undercut during further inward pressing, behind which the longer limb (29) will engage in the mounted state, with the projection (16) forming a fixed bearing for the longer limb (29), whereas the shorter limb is held in the twist grip (12), so that the spring (27) will tension during rotation of the twist grip in one direction and will permanently press the twist grip (12) in a resilient manner in the opposite direction.
EP20030019317 2002-09-20 2003-08-27 Switch device for electrical circuit breaker Expired - Lifetime EP1401005B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20214578U DE20214578U1 (en) 2002-09-20 2002-09-20 Switching device for an electrical switching device
DE20214578U 2002-09-20

Publications (3)

Publication Number Publication Date
EP1401005A2 EP1401005A2 (en) 2004-03-24
EP1401005A3 EP1401005A3 (en) 2005-12-21
EP1401005B1 true EP1401005B1 (en) 2011-06-01

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ID=7975288

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20030019317 Expired - Lifetime EP1401005B1 (en) 2002-09-20 2003-08-27 Switch device for electrical circuit breaker

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EP (1) EP1401005B1 (en)
DE (1) DE20214578U1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006057649B4 (en) 2006-12-07 2021-03-04 Abb Schweiz Ag Switching device
DE102009017099B4 (en) 2009-04-15 2012-02-09 Abb Ag switching device
DE102009048933A1 (en) 2009-07-17 2011-01-27 Abb Ag Switching device with rotary handle
DE102010005345B4 (en) 2010-01-21 2022-04-21 Abb Schweiz Ag Electrical switching device in modular design
DE102010032828B4 (en) 2010-07-30 2021-12-02 Siemens Aktiengesellschaft Switching device, in particular circuit breaker with toggle lever
CN102784430B (en) * 2011-05-20 2016-07-06 Ge医疗系统环球技术有限公司 Anesthesia respirator and permutator of manually automatically ventilating thereof
DE202015100926U1 (en) 2015-02-26 2015-03-10 Abb Technology Ag Electrical switching device in modular design

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH314467A (en) * 1953-07-16 1956-06-15 Weber Ag Fab Elektro Switching lock with trip-free release on a motor protection switch with more than one working position
US3024664A (en) * 1957-12-30 1962-03-13 Ite Circuit Breaker Ltd Rotary handle mechanism
DE8109119U1 (en) * 1981-03-27 1981-10-29 Siemens AG, 1000 Berlin und 8000 München Switching device, in particular circuit breaker with toggle lever

Also Published As

Publication number Publication date
DE20214578U1 (en) 2003-03-06
EP1401005A3 (en) 2005-12-21
EP1401005A2 (en) 2004-03-24

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