EP2174330B1 - Microcommutateur - Google Patents

Microcommutateur Download PDF

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Publication number
EP2174330B1
EP2174330B1 EP08759336A EP08759336A EP2174330B1 EP 2174330 B1 EP2174330 B1 EP 2174330B1 EP 08759336 A EP08759336 A EP 08759336A EP 08759336 A EP08759336 A EP 08759336A EP 2174330 B1 EP2174330 B1 EP 2174330B1
Authority
EP
European Patent Office
Prior art keywords
contact
microswitch
contact bridge
ram
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.)
Active
Application number
EP08759336A
Other languages
German (de)
English (en)
Other versions
EP2174330A1 (fr
Inventor
Wolfgang Mayer
Erich Schubert
Paul Wirz
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.)
Schaltbau GmbH
Original Assignee
Schaltbau 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 Schaltbau GmbH filed Critical Schaltbau GmbH
Publication of EP2174330A1 publication Critical patent/EP2174330A1/fr
Application granted granted Critical
Publication of EP2174330B1 publication Critical patent/EP2174330B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H01H1/2083—Bridging contact surfaces directed at an oblique angle with respect to the movement of the bridge
    • 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
    • H01H1/18—Contacts characterised by the manner in which co-operating contacts engage by abutting with subsequent sliding

Definitions

  • the invention relates to a microswitch having at least two contact points, each having a movable contact and a fixed contact, wherein the movable contacts are arranged on a contact bridge, the contact bridge by means of a plunger movable and from a first switching position, in which the contact points are opened, in a second Switching position in which the contact points are closed, can be transferred.
  • microswitches have been in use for some time and are used in applications with low currents, such as control currents or fault currents, in the milliampere range. It is known that the contacts of these microswitches can become dirty in use, so that in the worst case in the closed position no current flow between the contacts takes place more.
  • the contact bridge is mounted on the spring floating in the plunger. As a result, the position of the contact bridge and the transmitted force during switching, d. H. when closing and opening the contact points, not clearly defined. The sequence of movement at the opposite contacts of the contact points when opening and closing is also not specified.
  • an improved micro-switch according to the preamble of claim 1, as disclosed in US-A-2 758 169 to provide, with a safe self-cleaning of the contacts when closing or when switching is achieved.
  • the invention provides as disclosed in claim 1, that the contact bridge is mounted so that the contact bridge performs a rotational movement about a parallel to its longitudinal axis of rotation when closing and opening the contacts, whereby between the opposing contacts each pad a positively driven Frictional movement takes place transversely to the longitudinal extent of the contact bridge.
  • the plunger has an upper abutment against which the contact bridge in the closed position, and a lower abutment against which the contact bridge rests in the open position, wherein the upper abutment is arranged obliquely to the lower abutment ,
  • the contact bridge is transferred in a movement of the plunger from a position in which the contact bridge is arranged substantially perpendicular to the plunger in a position in which contact bridge is arranged obliquely to the plunger.
  • the rotational or tilting movement is generated, which is necessary so that the contacts rub against each other transversely to the longitudinal extent of the contact bridge.
  • it can be ensured that with the plunger movement sufficient pressure for the self-cleaning of the contacts is generated.
  • a further variant provides that the contact bridge has at least one first, arranged transversely to the longitudinal extent of the contact bridge lever which is mounted in a receptacle in the plunger.
  • the contact bridge is thus defined in a position defined in the receptacle of the plunger, there is a defined pivot point for the rotational movement of the contact bridge, by which the frictional movement is generated transversely to the longitudinal extent of the contact bridge to the contacts.
  • the first lever is arranged centrally between the two movable contacts on the contact bridge. This makes it possible to ensure that approximately equal forces act at both contact points.
  • a further preferred embodiment provides that the contact bridge has a further lever, which is arranged opposite to the first lever and in a guide guided in the ram. As a result, a centering of the contact bridge when closing and opening the contacts can be achieved.
  • the contact bridge is rotatably mounted about an axis extending transversely to the longitudinal axis of the ram and transversely to the longitudinal extent of the contact bridge. This allows the contact bridge perform a rocking motion, whereby vertical inaccuracies between the two contact points can be compensated. If the two fixed contacts are not arranged at the same height, this is compensated.
  • the contact bridge is also rotatably mounted about the ram longitudinal axis. This allows a rotational movement of the contact bridge, whereby a horizontal offset of the two fixed contacts can be compensated for each other.
  • a favorable embodiment provides that the upper abutment of the plunger has a rounded contact surface for the contact bridge. As a result, the rocking motion and the rotational movement are facilitated, are compensated by the slight misalignments of the two fixed contacts to each other.
  • the microswitch may comprise at least one further contact bridge, which is constructed and supported substantially identically to the first contact bridge. In this way, a switch with double break and galvanic isolation can be realized.
  • each of the contact bridges is supported in ram longitudinal direction by means of a spring on the plunger, wherein one end of the spring is connected to the contact bridge and the other end of the spring is arranged in a receptacle in the plunger.
  • the resilient mounting corresponds to the distance between the contact bridges on the plunger not exactly the distance of the fixed contact pairs in the housing to each other, these differences can be compensated by the resilient mounting.
  • a further expedient embodiment provides that a centering projection for the spring is arranged on each contact bridge. As a result, a simple attachment of the spring to the contact bridge is possible.
  • the fixed contacts may have a substantially V-shaped cross section and the movable contacts may have a substantially semicircular cross section.
  • the microswitch comprises a housing and the plunger is guided in the housing, wherein the housing has a centering part which guides a centering element of the plunger. As a result, the plunger is held in the housing on the desired trajectory.
  • Fig. 1 shows a plan view of a microswitch 1, wherein the housing cover of the microswitch 1 has been removed.
  • the microswitch 1 comprises a housing 2, in which a plunger 3 is arranged.
  • two contact bridges 4, 5 are mounted.
  • On each of the contact bridges 4, 5 are two movable contacts 6.1, 6.2; 7.1, 7.2 arranged.
  • the movable contacts 6.1, 6.2; 7.1, 7.2 each act with fixed contacts 8.1, 8.2; 9.1, 9.2 together, wherein the fixed contacts 8.1, 8.2; 9.1, 9.2 are arranged in the housing 2.
  • the microswitch 1 thus comprises two double interrupts, whereby a galvanic isolation is realized and different circuits, or load and control currents, can be switched.
  • the double interruption distributes the voltage applied to the switch to two fixed contacts. As a result, in contrast to the simple interruption with the same contact distance higher voltages and power can be applied. It is realized a higher electrical life and a higher contact reliability.
  • the plunger 3 is guided in the housing 2 in a guide 12 and can be transferred from a first position in which the contact points 10.1, 10.2, 11.1, 11.2 are opened, in a second position in which the contact points 10.1, 10.2, 11.1 , 11.2 are closed.
  • Fig. 1 the plunger 3 is shown in the first position with open contact points 10.1, 10.2, 11.1, 11.2.
  • the housing 2 further has a centering part 13, which interacts with a arranged on the plunger 3 centering element 14 and the plunger 3 in the guide 12 centered.
  • the centering part 13 and the centering element 14 have chamfered contact surfaces, which lie against one another in the open position of the contact points 10.1, 10.2, 11.1, 11.2 and position the plunger 3 centrally in the guide 12.
  • plunger 3 is in an intermediate position during the closing process.
  • the actuation of the plunger 3 for transferring the contact points 10.1, 10.2, 11.1, 11.2 from the open position into a closed position can take place via a snap element, for example a bistable spring (not shown). But there are also other actuation mechanisms conceivable.
  • Fig. 3 is the microswitch 1 in the closed position of the contact points 10.1, 10.2; 11.1, 11.2 shown.
  • the plunger 3 was by the actuator (not shown) in moves the position in which the centering part 13 and the centering element 14 are farthest from each other.
  • the force exerted by the actuator on the plunger 3 switching force is transmitted to the contact bridges 4, 5, so that the movable contacts 6.1, 6.2; 7.1, 7.2 with maximum switching force to the fixed contacts 8.1, 8.2; 9.1, 9.2 are pressed.
  • the contact points 10.1, 10.2; 11.1, 11.2 are thus in the closed position.
  • the contact bridges 4, 5 are arranged obliquely to the plunger 3.
  • Fig. 4 is a side view of the plunger 3 with the therein mounted contact bridges 4, 5 shown.
  • the contact bridges 4, 5 are in an open position of the contact points.
  • the contact bridges 4, 5 each at a lower abutment 15, 16 of the plunger 3 at.
  • Adjacent to each contact bridge 4, 5, an upper abutment 17, 18 is furthermore arranged in the plunger 3.
  • Each of the upper abutments 17, 18 is arranged obliquely to the corresponding lower abutment 15, 16.
  • each of the contact bridges 4, 5 abuts on the respective upper abutment 17, 18 and thus assumes an oblique position with respect to the open position. Opening planes spanned by the contact bridges 4, 5 in the open position therefore form an angle with closure levels spanned by the contact arms 4, 5 in the closed state.
  • Each of the contact bridges 4, 5 also has on one of its longitudinal sides a lever 19, 20 which is received in each case in a receptacle 21, 22 which is arranged in the plunger 3.
  • a further lever 23, 24 are arranged at each of the contact bridges 4, 5 on the respective lever 19, 20 opposite longitudinal side.
  • the levers 23, 24 are each guided in a guide 25, 26 of the plunger 3, wherein the guides 25, 26 have a length which is greater than the width of the lever 23, 24, so that these levers 23, 24 during transfer of the contact bridges 4, 5 from the open position into the closed position in these guides 25, 26 can slide along.
  • a centering of the contact bridges 4, 5 is achieved in the plunger 3.
  • Fig. 5 is a partial sectional view of the plunger 3 is shown. Also in Fig. 5 the contact bridges 4, 5 are shown in the open position. In this case, the contact bridges 4, 5 are located on the respective lower abutments 15, 16. As shown, the upper run Abutment 17, 18 obliquely to the lower abutments 15, 16, so that the contact bridges 4, 5 perform a tilting movement when transferring from the open position to the closed position.
  • the surface of the upper abutment 17, 18 is further rounded, so that a rotational movement of the contact bridges 4, 5 about the ram longitudinal axis and a rocking movement of the contact bridges 4, 5 about an axis transverse to the ram longitudinal axis and transverse to the longitudinal axis of the contact bridges 4, 5 is possible ,
  • Each of the contact bridges 4, 5 is mounted in the plunger 3 via a spring 27, 28.
  • Each of the springs 27, 28 is fixed at one end on a centering projection 29, 30 of the contact bridges 4, 5.
  • the respective other end of the springs 27, 28 is received in a recess 31, 32, which are arranged in the plunger 3.
  • the springs 27, 28 are guided during the closing operation of the microswitch 1 in the respective recess 31, 32.
  • the springs 27, 28 can deviations in the distance of the contact bridges 4, 5 from each other and at a distance of the arranged in the housing 2 fixed contact pairs 8.1, 8.2; 9.1, 9.2 are balanced.
  • Fig. 6 shows a plan view of contact bridge 4.
  • the other contact bridge 5 is identical to this contact bridge 4 constructed, the description therefore applies to both contact bridges.
  • the centering projection 29 for the spring 27 is arranged centrally.
  • the first lever 19 is arranged. This lever 19 is preferably located centrally between the two movable contacts 6.1, 6.2. The transmitted by the plunger 3 when switching the microswitch 1 on the contact bridge 4 switching force is transmitted evenly through this arrangement of the lever 19 to both contact points 10.1, 10.2.
  • the lever 19 is arranged in a receptacle 21 in the plunger 3.
  • the second lever 23 is arranged, which is received in a guide 25 in the plunger 3 and serves to center the contact bridge 4.
  • Fig. 7 shows a side view of the contact bridge 4. There are again the centering projection 29 and the upper lever 23 can be seen. On the underside of the contact bridge 4, the movable contacts 6.1, 6.2 are arranged.
  • the microswitch 1 has an actuating element (not shown), preferably a bistable spring, by means of which the plunger 3 is transferred from a first position, the open position of the microswitch 1, into a second position, the closed position of the microswitch 1 can.
  • the in Fig. 1 is shown, are arranged on the contact bridges 4, 5 movable contacts 6.1, 6.2, 7.1, 7.2 separated from the arranged in the housing 2 fixed contacts 8.1, 8.2, 9.1, 9.2, so that there is an air gap between them.
  • the contact points 10.1, 10.2, 11.1, 11.2 are therefore open.
  • Each of the contact bridges 4, 5 abuts the respective lower abutment 15, 16 of the plunger 3.
  • the actuating element If the actuating element is actuated, a switching force is transmitted to the plunger 3 and the plunger 3 is moved in the guide 12, so that the microswitch 1 is transferred into the closed position.
  • the closed position is in Fig. 3 shown.
  • the contact points 10.1, 10.2, 11.1, 11.2 are closed, arranged on the contact bridges 4, 5 movable contacts 6.1, 6.2, 7.1, 7.2 are firmly against the opposite fixed contacts 8.1, 8.2, 9.1, 9.2.
  • the contact bridges 4, 5 are now at the upper abutments 17, 18 of the plunger 3 at. Since the surface of the upper abutments 17, 18 is inclined relative to the surface of the lower abutments 15, 16, now also the contact bridges 4, 5 are inclined in the microswitch. 1
  • the contact bridges 4, 5 When transferring the contact bridges 4, 5 from the open position to the closed position, the contact bridges 4, 5 first together with the plunger 3 perform a translational movement until the movable contacts 6.1, 6.2; 7.1, 7.2 at the opposite fixed contacts 8.1, 8.2; 9.1, 9.2 abut. If this is the case, the contact bridges 4, 5 can no longer be moved translationally. However, the plunger 3 is not yet in its end position and is moved further translational. The contact bridges 4, 5 are now rotated, wherein the respective pivot point is the lower end of the respective first lever 19, 20 of the contact bridges 4, 5. The rotation thus takes place essentially about a rotation axis extending parallel to the longitudinal extent of the contact bridges 4, 5.
  • a second lever 23, 24 is provided on the contact bridges 4, 5, which is guided in a respective guide 25, 26 in the plunger 3 and in this guide 26 at the rotational movement of the contact bridges 4, 5 translationally moved.
  • the first levers 19, 20 of the contact bridges 4, 5 are preferably centered between the arranged on the contact bridges movable contacts 6.1, 6.2; 7.1, 7.2 arranged.
  • it can be ensured that act at both contact points in approximately the same forces and thus an equally strong friction occurs.
  • the fixed contact pairs 8.1, 8.2; 9.1, 9.2 are slightly vertically offset.
  • the contact bridges 4, 5 are each rotatably mounted about an axis which extends transversely to the longitudinal direction of the ram and transversely to the longitudinal extent of the contact bridges 4, 5, whereby a rocking movement of the contact bridges 4, 5 is made possible.
  • the fixed contacts 8.1, 8.2; 9.1, 9.2 are offset in a horizontal plane. This offset is compensated by the fact that the contact bridges 4, 5 are rotatably mounted around the pushrod longitudinal direction. In order to facilitate these rocking or rotational movements of the contact bridges 4, 5, the upper abutments 17, 18 of the plunger 3 are provided with a rounded bearing surface.
  • the distance of the fixed contact pairs 8.1, 8.2 of the fixed contact pairs 9.1, 9.2 does not correspond to the distance of the contact bridges 4, 5 from each other. This can be compensated by the springs 27, 28.
  • the movable contacts 6.1, 6.2; 7.1, 7.2 a semi-circular cross section.
  • the fixed contacts 8.1, 8.2; 9.1, 9.2 are preferably formed with a V-shaped cross section.

Landscapes

  • Push-Button Switches (AREA)
  • Contacts (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Saccharide Compounds (AREA)
  • Laser Surgery Devices (AREA)

Claims (12)

  1. Microrupteur (1) avec au moins deux points de contact (10.1, 10.2 ; 11.1, 11.2) pourvus chacun d'un contact mobile (6.1, 6.2, 7.1, 7.2) et d'un contact fixe (8.1, 8.2, 9.1, 9.2), étant précisé que les contacts mobiles (6.1, 6.2 ; 7.1, 7.2) sont disposés sur un pont de contact (4, 5), que le pont de contact (4, 5) est mobile à l'aide d'un poussoir (3) et est apte à passer d'une première position de commutation, dans laquelle les points de contact (10.1, 10.2, 11.1, 11.2) sont ouverts, à une seconde position de commutation, dans laquelle les points de contact (10.1, 10.2, 11.1, 11.2) sont fermés, et que le pont de contact (4, 5) comporte au moins un premier levier (19, 20) disposé transversalement par rapport à l'extension longitudinale du pont de contact (4, 5), et est monté de manière à décrire, lors de la fermeture et de l'ouverture des contacts (6.1, 8.1 ; 6.2, 8.2 ; 7.1, 9.1 ; 7.2, 9.2), un mouvement rotatif sur un axe de rotation parallèle à son extension longitudinale, caractérisé en ce que le ou les premiers leviers (19, 20) du pont de contact sont montés dans un logement (21, 22) prévu dans le poussoir (3), de sorte que le pont de contact (4, 5) est monté dans le poussoir à un endroit défini, que le mouvement rotatif du pont (4, 5) est fixé et qu'ainsi un mouvement de frottement, produit transversalement par rapport à l'extension longitudinale du pont de contact (4, 5) par le mouvement rotatif, contre les contacts (6.1, 8.1 ; 6.2, 8.2 ; 7.1, 9.1 ; 7.2, 9.2) de chaque point de contact (10.1, 10.2, 11.1, 11.2) qui se font face est guidé de manière forcée.
  2. Microrupteur (1) selon la revendication 1, caractérisé en ce que le poussoir (3) comporte au moins une butée supérieure (17, 18) contre laquelle le pont de contact (4, 5) est appliqué dans la position fermée, et au moins une butée inférieure (15, 16) contre laquelle le pont de contact (4, 5) est appliqué dans la position ouverte, étant précisé que la butée supérieure (17, 18) est disposée en biais par rapport à la butée inférieure (15, 16).
  3. Microrupteur (1) selon la revendication 1 ou 2, caractérisé en ce que le premier levier (19, 20) est disposé sur le pont de contact (4, 5) à mi-distance entre les deux contacts mobiles (6.1, 6.2 ; 7.1, 7.2).
  4. Microrupteur (1) selon l'une des revendications 1 à 3, caractérisé en ce que le pont de contact (4, 5) comporte un autre levier (23, 24), qui est disposé en face du premier levier (19, 20) et qui est guidé dans un guide (25, 26) dans le poussoir (3).
  5. Microrupteur (1) selon l'une des revendications 1 à 4, caractérisé en ce que le pont de contact (4, 5) est monté pour pouvoir tourner sur un axe transversal par rapport à l'axe longitudinal du poussoir et transversal par rapport à l'extension longitudinale du pont de contact (4, 5).
  6. Microrupteur (1) selon l'une des revendications 1 à 5, caractérisé en ce que le pont de contact (4, 5) est monté pour pouvoir tourner sur l'axe longitudinal du poussoir.
  7. Microrupteur (1) selon l'une des revendications 1 à 6, caractérisé en ce que la butée supérieure (17, 18) du poussoir (3) présente une surface d'appui arrondie.
  8. Microrupteur (1) selon l'une des revendications 1 à 7, caractérisé en ce qu'il comprend au moins un autre pont de contact (5 ; 4) qui présente une construction et un montage globalement identiques à ceux du premier pont (4 ; 5).
  9. Microrupteur (1) selon la revendication 8, caractérisé en ce que chacun des ponts de contact (4, 5) est en appui contre le poussoir (3) dans le sens longitudinal du poussoir à l'aide d'un ressort (27, 28), étant précisé qu'une extrémité du ressort (27, 28) est reliée au pont (4, 5) et que l'autre extrémité du ressort (27, 28) est disposée dans le poussoir (3) dans un logement (31, 32).
  10. Microrupteur (1) selon l'une des revendications 8 ou 9, caractérisé en ce qu'il est prévu sur chaque pont de contact (4, 5) une saillie de centrage (29, 30) pour le ressort (27, 28).
  11. Microrupteur (1) selon l'une des revendications 1 à 10, caractérisé en ce que les contacts fixes (8.1, 8.2, 9.1, 9.2) présentent une section transversale globalement en V et les contacts mobiles (6.1, 6.2, 7.1, 7.2) présentent une section transversale globalement semi-circulaire.
  12. Microrupteur (1) selon l'une des revendications 1 à 11, caractérisé en ce qu'il comprend un boîtier (2) et le poussoir (3) est guidé dans le boîtier (2), étant précisé que le boîtier (2) présente une partie centrale (13) qui guide un élément de centrage (14) du poussoir (3).
EP08759336A 2007-07-26 2008-06-25 Microcommutateur Active EP2174330B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007034989A DE102007034989B3 (de) 2007-07-26 2007-07-26 Mikroschalter
PCT/EP2008/005160 WO2009012858A1 (fr) 2007-07-26 2008-06-25 Microcommutateur

Publications (2)

Publication Number Publication Date
EP2174330A1 EP2174330A1 (fr) 2010-04-14
EP2174330B1 true EP2174330B1 (fr) 2012-04-11

Family

ID=39682745

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08759336A Active EP2174330B1 (fr) 2007-07-26 2008-06-25 Microcommutateur

Country Status (9)

Country Link
EP (1) EP2174330B1 (fr)
JP (1) JP2010534903A (fr)
KR (1) KR101146175B1 (fr)
CN (1) CN101816055B (fr)
AT (1) ATE553490T1 (fr)
DE (1) DE102007034989B3 (fr)
HK (1) HK1143242A1 (fr)
TW (1) TWI382435B (fr)
WO (1) WO2009012858A1 (fr)

Families Citing this family (8)

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Publication number Priority date Publication date Assignee Title
CN102074388A (zh) * 2009-11-20 2011-05-25 朱平远 具有自动清洁触点功能的开关
CN101950873B (zh) * 2010-09-19 2012-04-25 戴丁志 活动接触桥构件
CN103681059B (zh) * 2012-09-21 2016-12-21 深圳市海洋王照明工程有限公司 灯具开关
CN103681057A (zh) * 2012-09-21 2014-03-26 深圳市海洋王照明工程有限公司 一种应急灯具的开关组件结构
CN103578842B (zh) * 2013-10-22 2014-11-26 国家电网公司 同步多级断路器
KR200480158Y1 (ko) 2014-05-20 2016-04-20 주식회사 우진기전 셀프 클리닝 기능을 구비한 보조 스위치
CN104392850A (zh) * 2014-11-26 2015-03-04 宁波嘉林电子有限公司 一种多功能线路切换开关
CN107068460A (zh) * 2017-03-14 2017-08-18 江苏高博锐电气有限公司 一种微动开关

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DE1738663U (de) * 1955-06-07 1957-01-31 Siemens Ag Kontaktgabeeinrichtung fuer mehrfachunterbrecher.
JPS43736Y1 (fr) * 1966-05-02 1968-01-17
FR1510980A (fr) * 1966-12-12 1968-01-26 Unelec Appareil électrique à double coupure
JPS4330981Y1 (fr) * 1967-04-14 1968-12-17
DE2132658A1 (de) * 1971-06-30 1973-01-18 Marquardt J & J Elektrischer schalter
JPS5180673U (fr) * 1974-12-23 1976-06-26
DE2525467C3 (de) * 1975-06-07 1983-04-21 Calor-Emag Elektrizitäts-Aktiengesellschaft, 4030 Ratingen Kontaktanordnung
JPS5929307Y2 (ja) * 1979-12-17 1984-08-23 三菱電機株式会社 開閉装置
JPS6343323U (fr) * 1986-09-05 1988-03-23
JPH01121229U (fr) * 1988-02-12 1989-08-17
KR960025066U (ko) * 1994-12-28 1996-07-22 마이크로 스위치
DE19858755C1 (de) * 1998-12-18 2000-06-08 Euro Matsushita Electric Works Kontakteinheit für elektromagnetische Relais
JP2000306460A (ja) * 1999-04-19 2000-11-02 Hitachi Ltd パネル及び表示装置
US6837729B2 (en) * 2002-09-10 2005-01-04 Tyco Electronics Corporation High power electrical contactor with improved bridge contact mechanism
DE10315243B3 (de) * 2003-04-03 2004-08-26 Siemens Ag Elektromechanisches Schaltgerät

Also Published As

Publication number Publication date
HK1143242A1 (en) 2010-12-24
ATE553490T1 (de) 2012-04-15
TWI382435B (zh) 2013-01-11
WO2009012858A1 (fr) 2009-01-29
KR20100034047A (ko) 2010-03-31
CN101816055B (zh) 2013-04-10
TW200905707A (en) 2009-02-01
JP2010534903A (ja) 2010-11-11
CN101816055A (zh) 2010-08-25
EP2174330A1 (fr) 2010-04-14
KR101146175B1 (ko) 2012-05-24
DE102007034989B3 (de) 2009-03-12

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