EP0342769A1 - Appareil interrupteur électromagnétique - Google Patents

Appareil interrupteur électromagnétique Download PDF

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Publication number
EP0342769A1
EP0342769A1 EP89201303A EP89201303A EP0342769A1 EP 0342769 A1 EP0342769 A1 EP 0342769A1 EP 89201303 A EP89201303 A EP 89201303A EP 89201303 A EP89201303 A EP 89201303A EP 0342769 A1 EP0342769 A1 EP 0342769A1
Authority
EP
European Patent Office
Prior art keywords
switching device
contact
housing
contact carrier
contacts
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.)
Granted
Application number
EP89201303A
Other languages
German (de)
English (en)
Other versions
EP0342769B1 (fr
Inventor
Markus Müske
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eaton Industries GmbH
Panasonic Electric Works Co Ltd
Original Assignee
Kloeckner Moeller Elektrizitaets GmbH
Kloeckner Moeller GmbH
Matsushita Electric Works Ltd
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 Kloeckner Moeller Elektrizitaets GmbH, Kloeckner Moeller GmbH, Matsushita Electric Works Ltd filed Critical Kloeckner Moeller Elektrizitaets GmbH
Publication of EP0342769A1 publication Critical patent/EP0342769A1/fr
Application granted granted Critical
Publication of EP0342769B1 publication Critical patent/EP0342769B1/fr
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
    • H01H49/00—Apparatus or processes specially adapted to the manufacture of relays or parts thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts
    • H01H1/2008—Facilitate mounting or replacing contact bridge and pressure spring on carrier
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
    • H01H11/0012—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches for converting normally open to normally closed switches and vice versa
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
    • H01H50/041—Details concerning assembly of relays
    • H01H2050/046—Assembling parts of a relay by using snap mounting techniques
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/066—Z-axis assembly
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
    • H01H2300/044—Application rejection 1: coded interacting surfaces, polarising, e.g. to avoid insertion of a circuit breaker or fuse or relay or rating plug of the wrong caliber or in the wrong direction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/541—Auxiliary contact devices
    • H01H50/545—Self-contained, easily replaceable microswitches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/546—Contact arrangements for contactors having bridging contacts

Definitions

  • the invention relates to an electromagnetic switchgear with a drive chamber formed by a base body, which receives the magnet and the coil and which is positively connected to a housing containing a switch contact space and connection contact spaces, in which a contact carrier displaceable against a return spring with positively guided movable bridge contacts fastened via contact pressure springs and the like assigned fixed connection contacts are housed.
  • Three-phase contactors with induction coil in air switching are used in a variety of ways as power contactors and auxiliary contactors, whereby the basic devices can be supplemented or varied by additional components in the modular system.
  • connection of the individual components is usually carried out by positive connections, if necessary also by non-positive connections.
  • the invention has for its object to enable the assembly of the components and assemblies of a switching device by means of manufacturing machines.
  • the form-fitting configurations and the external configuration are designed in such a way that all the parts which are not used to transmit the force between the drive and the contact bridge and are independent of the respective drive system, AC or DC drive , can only be installed in a straight line from one direction.
  • normally open contacts or normally closed contacts with the same components can be implemented in each of the four current paths of the contacts.
  • Suitable configurations of the contact carrier, the bridge contacts and the contact pressure springs can be found in the features of claims 2 to 6.
  • the contact carrier is preferably cranked, so that the changing contacts can be realized with different spring pressures by means of conversion or a mirror-image arrangement.
  • An advantageous embodiment of the housing accommodating the switching contact space and the connection contact spaces in a pot-like shape which is open at the top can be gathered from the characterizing features of claim 7. All required components can be inserted straight from the top into the housing one after the other, whereby they are either fixed by positive locking, such as snap connections, clip connections, snap connections and plug connections, and / or non-positively.
  • a guide groove is created on the bottom of the housing in the switching contact space, in which the inserted contact carrier is guided.
  • the contact carrier on its opposite upper side is equipped with a parallel groove into which a web of the switch compartment cover engages and forms the second guide for the contact carrier.
  • all of the guide surfaces of the contact carrier are located on the upper part of the contact carrier with respect to the control room cover or the housing, such as grooves and webs. This is e.g. thereby enables the upper part of the contact carrier to have downwardly projecting walls above the inserted lower part, with which it engages between the transverse webs on the housing base.
  • a particularly advantageous embodiment of the contact carrier according to the features of claim 19 enables a very space-saving arrangement of the return spring for the contact carrier with a large installation length of the same, i.e. a long suspension travel can be achieved in the smallest space.
  • the housing is equipped in accordance with the characterizing features of claims 9 and 10, in order in particular to position the control room cover with the guide for the contact carrier correctly and to fix it by means of a positive connection.
  • the Protruding webs formed on the underside in the area of the side walls at a corresponding height.
  • connection bases of the connections have barb-shaped extensions with which they are held in the connection spaces of the housing in a force-fitting and positive manner by pressing into the adjacent walls .
  • control room cover can be gathered from the characterizing features of claims 13 and 14.
  • the switch compartment cover can thus be snapped onto and into the switch contact compartment from above on the housing and clipped on.
  • control room cover is equipped with recesses so that additional modules, such as auxiliary switch module or locking module, can interlock positively with snap hooks or the like.
  • the switch compartment cover has a coding device on its upper side.
  • This coding device can have different shapes in accordance with the components to be attached.
  • the insertion aid can be releasably clamped onto the switch compartment cover by means of snap bolts.
  • the snap pins of the insertion aid are shaped so that they can be removed at any time, i.e. removable from the control room cover.
  • the design of the contact arrangement of an electromagnetic switching device proposed according to the invention enables the contact arrangement and the housing accommodating the contacts to be closed easily by means of production machines assemble, whereby the same components can be used for different fields of application with different contact configurations - normally closed - normally open.
  • FIG. 1 shows the housing 10 of an electromagnetic switching device comprising the switching contact space 110 and connection contact spaces 106 including the associated components, the drive space of the electromagnetic switching device with the electromagnetic drive not being shown.
  • the complete device containing the switching contacts and connection contacts comprises the individual components of the housing 10 of the connection contacts 20 and coil connections 30, the complete preassembled contact bridge, also referred to as contact carrier 40, with return spring 5, the switch compartment cover 60 and an insertion aid 80.
  • the switch housing 10 is divided by walls in such a way that it has the upwardly open central switch space 110 and the connection spaces 106 which are arranged on both sides and are open at the top and to the side.
  • the side walls 101, 102 are equipped with the base part 107 on two opposite sides.
  • the side walls are connected by the transverse walls 103, 104, the transverse walls delimiting the central control room 110 in the central region.
  • the bulkheads 105 which form the compartments for the connection spaces 106, five on each side, run outward from the transverse walls parallel to the side walls. Four of these connection spaces are provided for the current paths and the fifth for the coil connections. These are identical.
  • the transverse wall is formed with a vertically running slot 108 which runs from top to bottom and through which the connection contacts are guided.
  • protruding ribs or webs 109 running parallel to the switching space 110 are formed on the transverse wall, but they end below the upper edge of the transverse walls 103, 104. These upper shoulders of the ribs 109 serve as a bearing surface for the switchgear compartment cover 60 to be fitted later.
  • support ribs 122 are also formed, which extend towards the center of the switchgear chamber and end in transverse ribs 123 and thus between them form the open groove 126, see FIG. 4.
  • This groove 126 is used for inserting and guiding the contact carrier 40 with corresponding guides projecting from the underside of the upper part 41, as a result of which the contact carrier 40 is securely centered and guided on the bottom in the housing 10.
  • webs 111, 112 are formed in the side area, which ensure a sufficient voltage distance from a directly adjacent switching device.
  • the side walls 101, 102 of the housing with additional recesses and openings are designed as parts of a positive connection to match the control room cover 60.
  • two openings 116, 117 are symmetrically arranged on the side wall 101 in the upper central area adjacent to the control room 110, into which snap hooks of the control room cover can engage from the control room side and on the outside in the center on the upper edge the recess 115 accessible from above in the To provide side wall 101.
  • the opening 120 can likewise be provided for inserting an extension or protrusion of the switchgear compartment cover and, in addition, a recess 121 on the inside of the switchgear compartment 110 facing the top as an attachment or guide.
  • the recess 121 can also be designed in a stepped manner.
  • the housing 10 can be formed with another precisely fitting plug-in guide for the control room cover 60 in such a way that, for example in the area of the transverse walls 103, 104 in the area of the slots 108 Slots 108 above the molded ribs 109 is made wider and thus a wide insertion groove for corresponding projections 610, 611, which are formed on the side of the control room cover 60.
  • the housing 10 is designed so that all components to be used can be used one after the other from above from one direction, see part M. This enables assembly using automatic manufacturing machines.
  • the connections 20, 30 for the connection contacts and the coils are inserted into the connection spaces 106.
  • These connections 20 and 30 contain the U-shaped base 201, 301.
  • the base 201 is equipped with the connection contact tabs 205.
  • the bases 201 and 301 can have threaded holes for screw fastening or alternatively welded tabs.
  • the clamping screws 203 and 303 with clamping washer 204, 304 are assigned to all connections.
  • the coil connections 30 are identical.
  • connection contacts 20, 30 are permanently fixed in the connection spaces 106, their bases 201, 301 are formed laterally with barb-like extensions 202 and 302, see views FIGS. 5 and 6, with which they are inserted into the connection spaces 106 in a non-positive and positive manner .
  • the connection contacts can be screw, tab, plug and print or solder connections.
  • the preassembled contact carrier 40 which is equipped with the bridge contacts 43, is inserted with the return spring 5 into the switching contact space 110 of the housing 10.
  • the spring axis 51 runs parallel to the bottom of the housing and the contact carrier can be moved in a force-guided manner against the pressure of the spring 5 in the switch contact space 110.
  • the return spring is accommodated in a recess 412a of the contact carrier upper part 41 arranged below the bridge contacts 43.
  • the contact carrier 40 is via a lever, not shown, of the electromagnet of the electromagnetic drive, not shown, which in the opening formed by the tab 411 intervenes, moves.
  • the contact carrier 40 is guided on the underside in the groove 126 delimited by webs 123 on the bottom 107 of the switch contact space 110.
  • the switching contact space and the contact carrier 40 used are covered by means of the switching space cover 60, which is clipped onto the housing 10.
  • the control room cover 60 has the top wall 601, which is circumferentially surrounded on three sides with upwardly projecting edge webs 602, 603, 604.
  • the switchgear compartment cover is formed with corresponding snap hooks and projections which, together with the openings and recesses in the side walls of the housing, form form-fitting plug and snap connections.
  • the hook-shaped protruding projection 607 which fits into the recess 115, and the projecting resilient U-shaped snap hooks 605, 606 formed with the barbs 608, 609 are provided in the center on the side of the switchgear compartment cover facing the housing. These snap hooks grip from the inside, i.e. from the switch contact space into the openings 116, 117 of the housing. It is also possible to provide only the two side snap hooks 605, 606 and to omit the middle hook 607.
  • a projection 615 also referred to as a locking lug, is formed in the middle of the switchgear compartment cover 60, which engages in the opening 120 of the housing from the inside.
  • guidance of the control room cover 60 in the insertion grooves 118, 119 of the housing is achieved by the webs 613, 614 formed on the underside of the web 602 of the control room cover 60 by means of a milling.
  • the switch compartment cover is formed on its upper side with the insertion groove 620, which acts as a snap groove the struts on both sides are formed.
  • the control room cover 60 is formed with undercut grooves 616, 617 or recesses into which barbs or snap hooks of further components, such as a module for mechanical locking or an auxiliary switch module, can snap.
  • the switching space cover is designed with a corresponding push-through opening 612.
  • the guide rib 619 formed on the underside of the switchgear compartment cover 60 can be seen, which fits into a corresponding groove 416 on the upper side of the contact carrier 40.
  • the control room cover 60 is formed on the side with recessed corners on the wall 101 of the housing 10, where the centering holes 113, 114 are provided for further components to be plugged on.
  • the switch compartment cover 60 is formed on the top at a suitable location with the coding device 62, for example a protruding cam, protruding ring, cross or the like.
  • the coding device can have different shapes, so that in each case only the corresponding variant of an auxiliary switch module can be clipped on, which correspondingly fits onto the coding device 62 provided.
  • the insertion aid 80 is provided, which covers the top of the housing 10 and which is releasably clamped in the recesses of the edge webs 602, 604 of the switchgear compartment cover by means of snap hooks 805, 806.
  • the insertion aid 80 likewise has the push-through opening 803 for the switching cam in the lid area and, according to the coding device 62, a recess.
  • it is equipped with connection holes 802 according to the connections. Parallel to the connection bores 802, the insertion aid 80 has the projecting edge webs 801 along the outer sides.
  • the snap hooks 805, 806 are formed, which clip into recesses in the control room cover, but which are shaped in such a way that the insertion aid can be dismantled at any time.
  • FIG. 2 shows an isometric representation of the contact carrier 40 with its individual components, which are assembled in a straight line in the direction of the arrow M in one direction.
  • This contact carrier can also be assembled using automatic machines. It is also possible to mount the contact carrier and the complete housing one after the other on the same production machine.
  • the contact carrier 40 consists of the upper part 41, the bridge contacts 43 with contact pressure springs 44, with each bridge contact being assigned a contact pressure spring 44 (only one is shown) and the lower part 42.
  • the upper part 41 has the guide groove 416 in the cover area 413, 414 the protruding switching cams 410.
  • the protruding tab 411 for engaging the switching lever is formed on one end face, see also FIGS. 8 and 9.
  • the upper part likewise has walls 417 which extend downwards in the longitudinal direction and between which the receiving space for the contact pressure springs 44 among other things, and form the perpendicular side walls 415 between which the contact chambers 419 are divided.
  • the longitudinal walls 417 are formed in each contact chamber 419 with a stepped insertion opening 412, see the detail drawn in the upper part 41 of FIG. 2.
  • the longitudinal walls on the side opposite the insertion tab 411 are also shortened by paragraph 412a, b, see also Bottom view of the upper part according to FIG. 9.
  • the bridge contacts 43 and the contact pressure springs 44 are inserted from below and are fixed in the locking grooves 450, 451 of the upper part 41 by plugging and latching the lower part 42 with the locking hook pairs 426, 427.
  • the bridge contacts 43 are designed in such a way that they can be used both as normally closed contacts and as normally open contacts, whereby they only have to be implemented in the plane by 180 degrees, see the various arrangements according to FIG. 2.
  • the bridge contacts 43 see also the additional supervision 3, are strip-shaped and have a central U-shaped bend 432. At the laterally projecting bridge ends, the contact surfaces 431 are provided, which point in the same direction as the offset.
  • the bridge contacts are formed on the top and bottom with a congruent recess 438 or projection 433 as well as laterally adjoining webs 436, 437 and recesses 434, 435.
  • the bridge contacts have such a shape that they can be punched out of an endless band without any space for the next bridge contact.
  • the lower part 42 has a continuous bottom surface 420, from which four towers 421, 422, 423, 424 extend, which engage in the open spaces between the longitudinal walls of the upper part and serve to fix the contact pressure springs 44 and the bridge contacts 43 in the upper part .
  • the lower part 42 has, for example, 2 pairs of projecting resilient locking hook pairs 426, 427, with which it snaps into the corresponding locking grooves of the upper part in a form-fitting manner.
  • the towers of the lower part 42 have lateral projections 425 which fit into the widened recesses 412 of the upper part.
  • the preassembled contact carrier 40 composed of the parts according to FIG. 2 is then, as explained in the description of FIG. 1, inserted into the housing 10 in the switch contact space 110.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Push-Button Switches (AREA)
  • Continuous Casting (AREA)
EP89201303A 1988-05-19 1989-05-13 Appareil interrupteur électromagnétique Expired - Lifetime EP0342769B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3817002 1988-05-19
DE3817002A DE3817002A1 (de) 1988-05-19 1988-05-19 Elektromagnetisches schaltgeraet

Publications (2)

Publication Number Publication Date
EP0342769A1 true EP0342769A1 (fr) 1989-11-23
EP0342769B1 EP0342769B1 (fr) 1993-03-24

Family

ID=6354657

Family Applications (2)

Application Number Title Priority Date Filing Date
EP89201303A Expired - Lifetime EP0342769B1 (fr) 1988-05-19 1989-05-13 Appareil interrupteur électromagnétique
EP89905665A Pending EP0418263A1 (fr) 1988-05-19 1989-05-13 Commutateur electromagnetique

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP89905665A Pending EP0418263A1 (fr) 1988-05-19 1989-05-13 Commutateur electromagnetique

Country Status (6)

Country Link
US (1) US5347250A (fr)
EP (2) EP0342769B1 (fr)
JP (1) JPH0648613B2 (fr)
DE (2) DE3817002A1 (fr)
ES (1) ES2040449T3 (fr)
WO (1) WO1989011726A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2929043A1 (fr) * 2008-03-24 2009-09-25 Fuji Elec Fa Components & Sys Porte-contact mobile d'une installation electrique et procede d'assemblage du porte-contact mobile.

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0006482D0 (en) * 2000-03-20 2000-05-10 Eja Ltd Contact assembly
JP4957764B2 (ja) * 2009-08-20 2012-06-20 富士電機機器制御株式会社 可逆型電磁接触器
JP5104826B2 (ja) * 2009-08-20 2012-12-19 富士電機機器制御株式会社 電磁接触器
JP5051246B2 (ja) * 2010-01-14 2012-10-17 富士電機機器制御株式会社 電磁接触器用装着ユニット及びこれを使用した電磁接触器の連結構造
US9019050B2 (en) * 2011-12-06 2015-04-28 Schneider Electric Industries Sas Electric switching system comprising an electric switching module including two elements coupling a contact(S)-holder with its driving device
WO2015036028A1 (fr) * 2013-09-13 2015-03-19 Siemens Aktiengesellschaft Appareil de commutation à basse tension à structure d'appareil variable
JP6145680B2 (ja) * 2013-11-11 2017-06-14 パナソニックＩｐマネジメント株式会社 端子カバー
USD826856S1 (en) * 2016-04-21 2018-08-28 Mellow Boards Gmbh Electric drive unit
CN112563047A (zh) * 2020-12-04 2021-03-26 广东电网有限责任公司韶关供电局 一种可拆卸式转换开关

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4320369A (en) * 1980-01-21 1982-03-16 Littelfuse, Inc. Electrical relay device and method of making the same
EP0049088A2 (fr) * 1980-09-26 1982-04-07 Fujitsu Limited Relais électromagnétique
DE3146739A1 (de) * 1981-11-25 1983-06-01 Siemens AG, 1000 Berlin und 8000 München Elektromagnetisches schaltgeraet
FR2579369A1 (fr) * 1985-03-23 1986-09-26 Bbc Brown Boveri & Cie Appareil de commutation a commande electromagnetique, et procede de realisation des zones de raccordement des contacts de cet appareil

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3146780C2 (de) * 1981-11-25 1985-10-24 Siemens AG, 1000 Berlin und 8000 München Mehrfachkontaktanordnung
CH663112A5 (de) * 1983-11-28 1987-11-13 Sprecher & Schuh Ag Hilfskontaktanordnung zum ankoppeln an einem elektromagnetischen schaltgeraet.
CH663113A5 (de) * 1983-11-28 1987-11-13 Sprecher & Schuh Ag Kupplungsanordnung zwischen einem elektromagnetischen schaltgeraet und einem daran abnehmbar angebrachten hilfskontaktblock.
CH663290A5 (de) * 1983-11-28 1987-11-30 Sprecher & Schuh Ag Elektromagnetisches schaltgeraet.
JPH0723871Y2 (ja) * 1987-07-24 1995-05-31 富士電機株式会社 電磁接触器
US4951018A (en) * 1989-01-26 1990-08-21 Square D Company Electromagnetic contactor
FR2643503B1 (fr) * 1989-02-21 1991-05-10 Telemecanique Electrique Appareil contacteur a interrupteurs proteges

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4320369A (en) * 1980-01-21 1982-03-16 Littelfuse, Inc. Electrical relay device and method of making the same
EP0049088A2 (fr) * 1980-09-26 1982-04-07 Fujitsu Limited Relais électromagnétique
DE3146739A1 (de) * 1981-11-25 1983-06-01 Siemens AG, 1000 Berlin und 8000 München Elektromagnetisches schaltgeraet
FR2579369A1 (fr) * 1985-03-23 1986-09-26 Bbc Brown Boveri & Cie Appareil de commutation a commande electromagnetique, et procede de realisation des zones de raccordement des contacts de cet appareil

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2929043A1 (fr) * 2008-03-24 2009-09-25 Fuji Elec Fa Components & Sys Porte-contact mobile d'une installation electrique et procede d'assemblage du porte-contact mobile.

Also Published As

Publication number Publication date
DE3817002A1 (de) 1989-11-30
WO1989011726A1 (fr) 1989-11-30
JPH04500429A (ja) 1992-01-23
US5347250A (en) 1994-09-13
DE58903862D1 (de) 1993-04-29
EP0418263A1 (fr) 1991-03-27
JPH0648613B2 (ja) 1994-06-22
EP0342769B1 (fr) 1993-03-24
ES2040449T3 (es) 1993-10-16

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