EP0105817B1 - Rotating switching device with push buttons and self-cleaning of the contacts - Google Patents

Rotating switching device with push buttons and self-cleaning of the contacts Download PDF

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Publication number
EP0105817B1
EP0105817B1 EP83420160A EP83420160A EP0105817B1 EP 0105817 B1 EP0105817 B1 EP 0105817B1 EP 83420160 A EP83420160 A EP 83420160A EP 83420160 A EP83420160 A EP 83420160A EP 0105817 B1 EP0105817 B1 EP 0105817B1
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EP
European Patent Office
Prior art keywords
cam
carrier
contacts
fixed
movable contact
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
Application number
EP83420160A
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German (de)
French (fr)
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EP0105817A1 (en
Inventor
Raymond Bertois
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Manufacture Des Alpes Francaises SA
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Manufacture Des Alpes Francaises SA
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Application filed by Manufacture Des Alpes Francaises SA filed Critical Manufacture Des Alpes Francaises SA
Priority to AT83420160T priority Critical patent/ATE21467T1/en
Publication of EP0105817A1 publication Critical patent/EP0105817A1/en
Application granted granted Critical
Publication of EP0105817B1 publication Critical patent/EP0105817B1/en
Expired legal-status Critical Current

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    • 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 present invention relates to electrical interrupting, switching, reversing and similar devices comprising pressure contact devices actuated by a rotating member such as a cam or the like.
  • the invention aims to improve this type of device and make its operation safer.
  • the offset means are constituted by an auxiliary cam, co-axial with the main cam and angularly integral with the latter, this auxiliary cam acting on a carriage guided perpendicularly to the opening and closing stroke of the movable contact and which, when the latter is in its closed position, moves it positively with respect to the fixed contact.
  • the element represented in fig. 1 and 2 comprises a lower plate 1 made of molded material integral with two opposite projections 1a on which a flat cover 2 rests, this plate and this cover being crossed by a control pin 3 provided square in the example shown, but which could have grooves, grooves or other equivalent conformation.
  • a main cam 4 capable of acting on radial pushers 5, which in turn actuate double movable contacts 6 to move them away from fixed contacts 7 against which they are applied by springs 8 bearing on the projections 1a.
  • each pusher 5 is secured to a U-shaped guide body 10 (see fig. 3) whose branches slide in appropriate grooves 1b and 2a (fig. 2) of the upper face of the plate 1 and from that of the lower cover 2.
  • the bottom of this U carries a stud 11 (fig. 3) which passes through an elongated slot 12a punched in the central part of the conductive strip 12 carrying the two movable contacts 6 associated with the pusher considered.
  • the spring 8 is housed between the two branches of the aforementioned U and it acts on the bar 12. It is important to note that the latter is not straight, but that its middle part which includes the slot 12a is offset in the direction of the axis 3 with respect to its two ends fitted with the contacts 6. This results in a profile similar to that of a U, the major part of the branches of which would have been folded down horizontally towards the outside.
  • the fixed contacts 7 are integral with terminals 13 suitably fixed to the bottom of the bowl 1.
  • the axis 3 carries above the main cam 4 an auxiliary cam 14 which, as shown in FIG. 1 comprises four lobes 14a oriented at 45 ° in one direction or the other with respect to the radial axis of said cam 4. These lobes act in passing on an internal boss 15a provided on the edge of a window 15b cut in the central part of a flat carriage 15 slides to slide between the main cam 4 and the cover 2.
  • This carriage 15 has arms 15c oriented parallel to the diameter defined by the assembly rods 9 and which come to enclose with a small clearance the projections 1 c of the plate 1 intended to surround these rods. It is thus guided parallel to the diametrical axis defined by the rods.
  • the window 15b is elongated in this same direction to allow the carriage to move and the boss 15a is located on said diametrical axis.
  • One of the projections 1c is hollowed out with a depression 1d against the bottom of which bears a spring 16 which pushes the carriage 15 in the direction of the diametrically opposite projection.
  • the carriage 15 also has fingers 15d which come to enclose with play the remote middle portion of each of the strips 12 when the corresponding fixed contacts are in the closed position (case of the strip 12 on the right in FIG. 1).
  • the element could comprise two main cams such as 4, respectively arranged against the plate 1 and against the cover 2, the auxiliary cam 14 being mounted between them.
  • one of the pushers 5 would be offset by 180 ° around the axis of its stud 11 so q ⁇ . e its head is brought closer to the cover 2 and not to the plate 1, and can therefore cooperate selectively with the second main cam or upper cam. If the two main cams were then offset by 90 ° and each had two noses, the element would have four useful positions.
  • One could provide for the auxiliary cam 14 eight lobes 14a oriented at 22.5 ° relative to the common axis of the pushers to ensure self-cleaning during the contact closure period.
  • the auxiliary cam could have only two lobes. It is also understood that it would be possible to multiply the variants with more than two pushers oriented in any desired manner with respect to each other.

Landscapes

  • Push-Button Switches (AREA)
  • Keying Circuit Devices (AREA)
  • Switches With Compound Operations (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)

Abstract

1. Switch or commutator, of the type comprising at least one push button (5) radially actuated by at least one main rotating cam (4), which push button drives at least one movable contact (6) which, for at least one angular operating position of this cam (4), is applied against at least one corresponding fixed contact (7), being by contrast separated from it for at least one angular position of the latter (4), whilst displacing means (14) are provided which, when the movable contact (8) is applied against the fixed one (7), displaces it against the latter for at least a part of the remainder of the travel of the main cam between an open circuit position and its next closed circuit position, characterised in that the displacing means are constituted by an auxiliary cam (14) co-axial with the main cam and angularly fixed with respect to it, said auxiliary cam acting on a carrier (15) guided perpendicular to the path of opening and closing of the movable contact (6) and which, when the latter is in its closed position, displaces it positively relative to the fixed contact (7).

Description

La présente invention se réfère aux appareils électriques d'interruption, commutation, inversion et analogues comportant des dispositifs de contacts à pression actionnés par un organe tournant tel qu'une came ou équivalent.The present invention relates to electrical interrupting, switching, reversing and similar devices comprising pressure contact devices actuated by a rotating member such as a cam or the like.

Ces appareils présentent de nombreux avantages. On peut notamment les réaliser sous forme de couronnes relativement plates renfermant des éléments dont chacun comprend un poussoir radial actionnant des contacts mobiles, ces poussoirs étant déplacés par une came centrale. Il est ainsi possible de superposer plusieurs couronnes de ce genre autour d'un même axe portant les cames correspondantes et d'établir des ensembles susceptibles de commander tout nombre de circuits désiré. On peut même prévoir dans chaque couronne élémentaire deux cames agissant respectivement sur des poussoirs dont les têtes sont convenablement décalées axialement à l'interieur de la couronne considerée, les autres pièces mobiles, telles que les guides, le ou les ressorts de rappel et les contacts, restant centrées par rapport au plan transversal moyen de celle-ci. Mais en contre-partie des avantages précités l'on rencontre un inconvenient sérieux, savoir que les contacts fixes et mobiles n'opèrent que par simple pression et qu'on ne trouve donc pas ici le phénomène d'auto-nettoyage de leurs surfaces par frottement, généralement considéré comme désirable en électrotechnique.These devices have many advantages. They can in particular be produced in the form of relatively flat crowns containing elements, each of which comprises a radial plunger actuating movable contacts, these plungers being moved by a central cam. It is thus possible to superimpose several rings of this kind around the same axis carrying the corresponding cams and to establish assemblies capable of controlling any number of circuits desired. One can even provide in each elementary crown two cams acting respectively on pushers whose heads are suitably offset axially inside the crown considered, the other moving parts, such as guides, or return springs and contacts , remaining centered relative to the mean transverse plane thereof. However, in return for the above-mentioned advantages, there is a serious drawback, namely that the fixed and mobile contacts operate only by simple pressure and that therefore the phenomenon of self-cleaning of their surfaces is not found here. friction, generally considered desirable in electrical engineering.

On connaît des appareils du genre en question (CH-A-352,024) dans lesquels il est prévu des moyens de décalage qui, lorsque le contact mobile est appliqué contre le contact fixe, le déplacent contre celui-ci pendant une partie au moins du reste de la course de la came entre une position de circuit ouvert de cette dernière et sa position suivante de circuit fermé.Apparatuses of the kind in question are known (CH-A-352,024) in which there are provided offset means which, when the movable contact is applied against the fixed contact, move it against the latter for at least part of the rest of the cam travel between an open circuit position of the latter and its next closed circuit position.

L'invention vise à perfectionner ce genre d'appareils et en rendre le fonctionnement plus sûr.The invention aims to improve this type of device and make its operation safer.

Conformément à l'invention les moyens de décalage sont constitués par une came auxiliaire, co-axiale à la came principale et angulairement solidaire de celle-ci, cette came auxiliaire agissant sur un chariot guidé perpendiculairement à la course d'ouverture et de fermeture du contact mobile et qui, lorsque ce dernier est à sa position de fermeture, le déplace positivement par rapport au contact fixe.According to the invention, the offset means are constituted by an auxiliary cam, co-axial with the main cam and angularly integral with the latter, this auxiliary cam acting on a carriage guided perpendicularly to the opening and closing stroke of the movable contact and which, when the latter is in its closed position, moves it positively with respect to the fixed contact.

Les dessins annexés, donnés à titre d'exemple, permettront de mieux comprendre l'invention, les caractéristiques qu'elle présente et les avantages qu'elle est susceptible de procurer:

  • - Fig. 1 est une vue en plan d'un commutateur suivant l'invention, le couvercle enlevé.
  • Fig. 2 en est une coupe suivant II-II (fig. 1), mais avec représentation du couvercle.
  • Fig. 3 est une vue en perspective éclatée montrant le detail d'un poussoir, de la barrette porte-contacts correspondante et de la partie du chariot qui vient enserrer cette barrette pour l'entraîner transversalement.
  • Fig. 4 est une vue semblable à celle de fig. 1, mais dans laquelle on a supposé que les cames principale et auxiliaire avaient tournée de 45".
The appended drawings, given by way of example, will allow a better understanding of the invention, the characteristics which it presents and the advantages which it is capable of providing:
  • - Fig. 1 is a plan view of a switch according to the invention, the cover removed.
  • Fig. 2 is a section along II-II (fig. 1), but with representation of the cover.
  • Fig. 3 is an exploded perspective view showing the detail of a pusher, of the corresponding contact strip and of the part of the carriage which encloses this strip to drive it transversely.
  • Fig. 4 is a view similar to that of FIG. 1, but in which it was assumed that the main and auxiliary cams had rotated 45 ".

L'élément represente en fig. 1 et 2 comprend un plateau inférieur 1 en matiàre moulée solidaire de deux saillies 1 a opposées sur lesquelles repose un couvercle plat 2, ce plateau et ce couvercle étant traversés par un axe de commande 3 prévu carré dans l'exemple représenté, mais qui pourrait comporter des cannelures, des rainures ou toute autre conformation équivalente. Sur cet arbre et à l'intérieur de la cuvette 1 est montée une came principale 4 propre à agir sur des poussoirs radiaux 5, lesquels actionnent à leur tour des contacts mobiles doubles 6 pour les éloigner de contacts fixes 7 contre lesquels ils sont appliqués par des ressorts 8 prenant appui sur les saillies 1a.The element represented in fig. 1 and 2 comprises a lower plate 1 made of molded material integral with two opposite projections 1a on which a flat cover 2 rests, this plate and this cover being crossed by a control pin 3 provided square in the example shown, but which could have grooves, grooves or other equivalent conformation. On this shaft and inside the bowl 1 is mounted a main cam 4 capable of acting on radial pushers 5, which in turn actuate double movable contacts 6 to move them away from fixed contacts 7 against which they are applied by springs 8 bearing on the projections 1a.

Pour ne pas compliquer inutilement la description detaillée qui va suivre on a suppose que l'élément considéré ne comportait que deux poussoirs et que les têtes de ceux-ci (auxquelles aboutit la ligne d'attache de la reférence 5) étaient centrées par rapport au plan moyen de la came principale unique 4, bien qu'en pratique on prévoie en général deux cames disposées l'une au-dessus de l'autre, les têtes des poussoirs, dont le nombre peut être quelconque, étant decalées axialement de façon à être commandée chacune selectivement par l'une desdites cames.In order not to unnecessarily complicate the detailed description which follows, it has been assumed that the element in question only had two pushers and that the heads thereof (to which the attachment line of reference 5 leads) were centered relative to the mean plane of the single main cam 4, although in practice there are generally two cams arranged one above the other, the heads of the pushers, the number of which may be any, being offset axially so as to each be selectively controlled by one of said cams.

On a figuré en 9 les tiges d'assemblage et de serrage des divers éléments superposés qui, avec celui representé, constituent un appareil de commutation à contacts multiples.9 shows the assembly and clamping rods of the various superimposed elements which, with that shown, constitute a switching apparatus with multiple contacts.

La tête de chaque poussoir 5 est solidaire d'un corps de guidage 10 en forme de U (voir fig. 3) dont les branches coulissent dans des rainures appropriées 1 b et 2a (fig. 2) de la face supérieure du plateau 1 et de celle inférieure du couvercle 2. Le fond de ce U porte un goujon 11 (fig. 3) qui traverse une fente allongée 12a poinçonnée dans la partie centrale de la barrette conductrice 12 portant les deux contacts mobiles 6 associés au poussoir considéré. Le ressort 8 est logé entre les deux branches du U précité et il s'agit sur la barrette 12. Il est important de noter que cette dernière n'est pas rectiligne, mais que sa partie médiane qui comporte la fente 12a est deportée en direction de l'axe 3 par rapport à ses deux extrémités equipées des contacts 6. On aboutit ainsi à un profil semblable à celui d'un U dont la majeure partie des branches aurait été rabattue à l'horizontale en direction de l'extérieur.The head of each pusher 5 is secured to a U-shaped guide body 10 (see fig. 3) whose branches slide in appropriate grooves 1b and 2a (fig. 2) of the upper face of the plate 1 and from that of the lower cover 2. The bottom of this U carries a stud 11 (fig. 3) which passes through an elongated slot 12a punched in the central part of the conductive strip 12 carrying the two movable contacts 6 associated with the pusher considered. The spring 8 is housed between the two branches of the aforementioned U and it acts on the bar 12. It is important to note that the latter is not straight, but that its middle part which includes the slot 12a is offset in the direction of the axis 3 with respect to its two ends fitted with the contacts 6. This results in a profile similar to that of a U, the major part of the branches of which would have been folded down horizontally towards the outside.

Les contacts fixes 7 sont solidaires de bornes 13 convenablement fixées au fond de la cuvette 1.The fixed contacts 7 are integral with terminals 13 suitably fixed to the bottom of the bowl 1.

L'axe 3 porte au-dessus de la came principale 4 une came auxiliaire 14 qui comme le montre bien fig. 1 comporte quatre lobes 14a orientés à 45° dans un sens ou dans l'autre par rapport à l'axe radial de ladite came 4. Ces lobes agissent au passage sur un bossage intérieur 15a prévu sur le bord d'une fenêtre 15b decoupée dans la partie centrale d'un chariot plat 15 monte à coulissement entre la came principale 4 et le couvercle 2. Ce chariot 15 comporte des bras 15c orientés parallèlement au diamètre défini par les tiges d'assemblage 9 et qui viennent enserrer avec un faible jeu des saillies 1 c du plateau 1 destinées à entourer ces tiges. Il est ainsi guidé parallàlement à l'axe diamétral défini par les tiges. La fenêtre 15best allongée dans ce même sens pour permettre le déplacement du chariot et le bossage 15a est situe sur ledit axe diamétral. L'une des saillies 1c est creusée d'une dépression 1d contre le fond de laquelle prend appui un ressort 16 qui repousse le chariot 15 en direction de la saillie diamétralement opposée.The axis 3 carries above the main cam 4 an auxiliary cam 14 which, as shown in FIG. 1 comprises four lobes 14a oriented at 45 ° in one direction or the other with respect to the radial axis of said cam 4. These lobes act in passing on an internal boss 15a provided on the edge of a window 15b cut in the central part of a flat carriage 15 slides to slide between the main cam 4 and the cover 2. This carriage 15 has arms 15c oriented parallel to the diameter defined by the assembly rods 9 and which come to enclose with a small clearance the projections 1 c of the plate 1 intended to surround these rods. It is thus guided parallel to the diametrical axis defined by the rods. The window 15b is elongated in this same direction to allow the carriage to move and the boss 15a is located on said diametrical axis. One of the projections 1c is hollowed out with a depression 1d against the bottom of which bears a spring 16 which pushes the carriage 15 in the direction of the diametrically opposite projection.

Enfin le chariot 15 comporte encore des doigts 15d qui viennent enserrer avec jeu la partie mediane deportée de chacune des barrettes 12 quand les contacts fixes correspondants sont en position fermée (cas de la barrette 12 de droite en fig. 1).Finally, the carriage 15 also has fingers 15d which come to enclose with play the remote middle portion of each of the strips 12 when the corresponding fixed contacts are in the closed position (case of the strip 12 on the right in FIG. 1).

Le fonctionnement est le suivant:

  • Si l'on considère la position de fig. 1, l'on comprend que suivant les liaisons à realiser, l'appareil puisse comporter soit deux positions à 180° l'une de l'autre correspondant à l'actionnement de l'un ou de l'autre poussoir, soit quatre à 90° les unes des autres si l'on prevoit deux positions intermédiaires de circuit ouvert. De toute façon, quand on passe d'une position à la suivante, la came auxiliaire 14 actionne le chariot 15 en va-et-vient par l'intermédiaire du bossage 15a soit deux fois successives (pour une rotation de 180°), soit une fois seulement (si la rotation n'est que de 45° ou 90°), le tout comme le fait bien comprendre fig. 4 dans laquelle un lobe 14a de cette came 14 se trouve précisement dans l'axe du bossage 15a. Or à ce moment le nez de la came principale n'est pas en face d'un poussoir et les contacts 6 et 7 sont tous en position fermée. Les doigts 15d vont donc entraîner la partie mediane des deux barrettes 12 en obligeant celles-ci à operer un déplacement lateral. Les contacts mobiles 6 seront ainsi contraints de glisser contre les contacts fixes 7 correspondants dans le sens descendant en fig. 1. Puis une fois le bossage 1 Ba dépassé lors de la rotation de l'axe, le ressort 16 ramènera le chariot à sa position initiale. Ainsi les contacts fixes et mobiles seront contraints de frotter les uns contre les autres en réalisant l'auto- nettoyage désiré.
The operation is as follows:
  • If we consider the position of fig. 1, it is understood that depending on the connections to be made, the device may have either two positions at 180 ° from one another corresponding to the actuation of one or the other plunger, or four to 90 ° from each other if two intermediate open circuit positions are provided. Anyway, when going from one position to the next, the auxiliary cam 14 actuates the carriage 15 back and forth via the boss 15a either twice successively (for a rotation of 180 °), or only once (if the rotation is only 45 ° or 90 °), as shown in fig. 4 in which a lobe 14a of this cam 14 is located precisely in the axis of the boss 15a. However, at this time the nose of the main cam is not in front of a pusher and the contacts 6 and 7 are all in the closed position. The fingers 15d will therefore drive the middle part of the two bars 12 by forcing them to operate a lateral movement. The movable contacts 6 will thus be forced to slide against the corresponding fixed contacts 7 in the downward direction in FIG. 1. Then once the boss 1 B has passed during the rotation of the axis, the spring 16 will return the carriage to its initial position. Thus, the fixed and mobile contacts will be forced to rub against each other by carrying out the desired self-cleaning.

On comprend par ailleurs que l'élément pourrait comporter deux cames principales telles que 4, respectivement disposées contre le plateau 1 et contre le couvercle 2, la came auxiliaire 14 étant montée entre elles. Dans ce cas, l'un des poussoirs 5 serait decalé de 180° autour de l'axe de son goujon 11 de façon qι. e sa tête soit rapprochée du couvercle 2 et non du plateau 1, et puisse de ce fait coopérer sélectivement avec la seconde came principale ou came supérieure. Si les deux cames principales étaient alors décalées de 90° et avaient chacune deux nez, l'élément comporterait quatre positions utiles. On pourrait prévoir pour la came auxiliaire 14 huit lobes 14a orientés à 22,5° par rapport à l'axe commun des poussoirs pour assurer l'auto-nettoyage pendant la période de fermeture des contacts. En sens inverse, dans le cas d'un appareil à came principale unique avec deux poussoirs à 180° l'un de l'autre, la came auxiliaire pourrait n'avoir que deux lobes. On conçoit d'ailleurs qu'il serait possible de multiplier les variantes avec plus de deux poussoirs orientés de toute maniàre désirée les uns par rapport aux autres.It is also understood that the element could comprise two main cams such as 4, respectively arranged against the plate 1 and against the cover 2, the auxiliary cam 14 being mounted between them. In this case, one of the pushers 5 would be offset by 180 ° around the axis of its stud 11 so qι. e its head is brought closer to the cover 2 and not to the plate 1, and can therefore cooperate selectively with the second main cam or upper cam. If the two main cams were then offset by 90 ° and each had two noses, the element would have four useful positions. One could provide for the auxiliary cam 14 eight lobes 14a oriented at 22.5 ° relative to the common axis of the pushers to ensure self-cleaning during the contact closure period. Conversely, in the case of a single main cam device with two pushers 180 ° apart, the auxiliary cam could have only two lobes. It is also understood that it would be possible to multiply the variants with more than two pushers oriented in any desired manner with respect to each other.

Claims (3)

1. Switch or commutator, of the type comprising at least one push button (5) radially actuated by at least one main rotating cam (4), which push button drives at least one movable contact (6) which, for at least one angular operating position of this cam (4), is applied against at least one corresponding fixed contact (7), being by contrast separated from it for at least one angular position of the latter (4), whilst displacing means (14) are provided which, when the movable contact (8) is applied against the fixed one (7), displaces it against the latter for at least a part of the remainder of the travel of the main cam between an open circuit position and its next closed circuit position, characterised in that the displacing means are constituted by an auxiliary cam (14) co-axial with the main cam and angularly fixed with respect to it, said auxiliary cam acting on a carrier (15) guided perpendicular to the path of opening and closing of the movable contact (6) and which, when the latter is in its closed position, displaces it positively relative to the fixed contact (7).
2. Switch or commutator according to claim 1, of the type comprising for each pole a strip (12) carrying two movable contacts (6) able to be applied against two corresponding fixed contacts (7) under the effect of the main cam (4) acting on said strip (12) via a push button (5), the strip (12) being displaceable by a limited distance in the longitudinal direction, characterised in that the carrier (15) comprises two entraining fingers (15d) which embrace a central part of the strip (12), this part being offset towards the inside.
3. Switch or commutator according to claim 1 in which the auxiliary cam (14) acts upon the carrier (15) via at least one boss (15a) integral with the latter, characterised in that the carrier (15) comprises a central aperture able to surround the auxiliary cam (14) in all the positions of said carrier, the boss (15a) of this carrier projecting towards the inside of this aperture.
EP83420160A 1982-10-06 1983-10-06 Rotating switching device with push buttons and self-cleaning of the contacts Expired EP0105817B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83420160T ATE21467T1 (en) 1982-10-06 1983-10-06 ROTATING SWITCHING DEVICE WITH PUSH BUTTONS AND SELF-CLEANING CONTACTS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8216946A FR2534421B1 (en) 1982-10-06 1982-10-06
FR8216946 1982-10-06

Publications (2)

Publication Number Publication Date
EP0105817A1 EP0105817A1 (en) 1984-04-18
EP0105817B1 true EP0105817B1 (en) 1986-08-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP83420160A Expired EP0105817B1 (en) 1982-10-06 1983-10-06 Rotating switching device with push buttons and self-cleaning of the contacts

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EP (1) EP0105817B1 (en)
AT (1) ATE21467T1 (en)
DE (1) DE3365324D1 (en)
ES (1) ES283294Y (en)
FR (1) FR2534421B1 (en)

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CN104269293A (en) * 2014-10-11 2015-01-07 成都瑞联电气股份有限公司 Universal conversion switch with magnetic quenching function

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FR2570870B2 (en) * 1982-10-06 1986-11-21 Alpes Fses Manufacture PUSH-BUTTON SWITCHING DEVICE OR SWITCH WITH SELF-CLEANING OF CONTACTS
DK260886A (en) * 1986-06-03 1987-12-04 Knudsen Nordisk Elect ELECTRIC SWITCH
FR2778789B1 (en) * 1998-05-14 2000-06-30 Socomec Sa ELECTRICAL SWITCHING APPARATUS FOR LOW-VOLTAGE ELECTRICAL INSTALLATION
JP2000173130A (en) * 1998-12-09 2000-06-23 Toshiba Video Products Japan Kk Operating mode detecting switch of magnetic recording and reproducing device
US9808246B2 (en) 2015-03-06 2017-11-07 Ethicon Endo-Surgery, Llc Method of operating a powered surgical instrument

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DE1069258B (en) * 1959-11-19 Siermens-Schuckerrwerke Aktiengesellschaft, Berlin und Erlangen Contact arrangement for electrical switching devices
CH352024A (en) * 1957-03-29 1961-02-15 Huber & Cie Ag J Electrical switch with bridge contacts arranged on the press material carrier
US3383485A (en) * 1967-02-23 1968-05-14 Gen Electric Cam actuated switch mechanism provided with an actuator link having an extesnion forterminating wiping action
IT1036052B (en) * 1974-03-07 1979-10-30 Viel Elect Spa CENTRALIZED DEVICE APPLICABLE TO THE STEERING COLUMN OF A VEHICLES FOR THE SWITCHING OF THE LIGHTS AND FOR THE CONTROL OF THE DIRECTION INDICATORS AND THE STALL WIPER

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104269293A (en) * 2014-10-11 2015-01-07 成都瑞联电气股份有限公司 Universal conversion switch with magnetic quenching function
CN104269293B (en) * 2014-10-11 2016-06-15 成都瑞联电气股份有限公司 A kind of universal seclector with magnetic quenching function

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Publication number Publication date
ES283294Y (en) 1986-06-16
FR2534421B1 (en) 1985-10-18
EP0105817A1 (en) 1984-04-18
ATE21467T1 (en) 1986-08-15
FR2534421A1 (en) 1984-04-13
ES283294U (en) 1985-11-16
DE3365324D1 (en) 1986-09-18

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