EP0100245B1 - Miniature electric switch - Google Patents

Miniature electric switch Download PDF

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Publication number
EP0100245B1
EP0100245B1 EP83400441A EP83400441A EP0100245B1 EP 0100245 B1 EP0100245 B1 EP 0100245B1 EP 83400441 A EP83400441 A EP 83400441A EP 83400441 A EP83400441 A EP 83400441A EP 0100245 B1 EP0100245 B1 EP 0100245B1
Authority
EP
European Patent Office
Prior art keywords
return means
pushers
pinion
wheel
pusher
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
EP83400441A
Other languages
German (de)
French (fr)
Other versions
EP0100245A1 (en
Inventor
Claude Fourcaulx
Bernard Fourcaulx
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.)
Atelier De Mecanique De Precision Fm (sarl)
Original Assignee
Atelier De Mecanique De Precision Fm (sarl)
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 Atelier De Mecanique De Precision Fm (sarl) filed Critical Atelier De Mecanique De Precision Fm (sarl)
Priority to AT83400441T priority Critical patent/ATE20787T1/en
Publication of EP0100245A1 publication Critical patent/EP0100245A1/en
Application granted granted Critical
Publication of EP0100245B1 publication Critical patent/EP0100245B1/en
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/001—Thumb wheel switches
    • H01H19/003—Thumb wheel switches having a pushbutton actuator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2133—Pawls and ratchets

Definitions

  • the invention relates to a miniature electric switch, the design of which has been studied with the aim of reducing the number of parts and the assembly time, with a view to lowering its cost price and increasing its reliability.
  • a drive pinion is integral with this wheel, and each pusher, movable in translation inside the housing, carries a tooth capable of entering into engagement with said drive pinion to rotate the wheel in a direction of rotation. corresponding.
  • the two pushers are arranged symmetrically on either side of the wheel.
  • a return means is interposed between the end of each pusher and the bottom wall of the housing, to urge said pusher away from said pinion.
  • This return means is generally a small helical spring, the installation of which in the housing, during assembly, is a delicate operation. The invention aims in particular to remove such helical springs.
  • the British patent document GB-A-2 077 499 discloses an electrical switch with a drive wheel and pinion provided with pushers connected by a transverse return means bearing in its middle against a fixed stop fixed to the housing.
  • the structure described does not lend itself to extensive miniaturization and a rupture between one of the pushers and the spring leads to the device being put out of service.
  • the invention also makes it possible to overcome all these drawbacks.
  • the invention therefore relates to an electrical switch of the type comprising a housing containing a wheel carrying a contact element, said wheel being movable in rotation about a fixed axis and provided with a drive pinion, at least a pusher, movable in translation and carrying a tooth capable of entering into engagement with said drive pinion and a return means made of flexible material urging said push rod away from said pinion, characterized in that said return means has substantially the shape general of an X, at least two branches of which bear on a fixed part of said housing, for example the bottom side wall of the latter.
  • the return means advantageously has the general shape of an X of which at least two branches are bearing on a fixed part of the housing, for example the side wall of the bottom of said housing, while the other two branches respectively join the two ends of said pushers.
  • the return means is common to the two pushers and it can advantageously come integrally with them. In the latter case, there is therefore obtained a single piece where the previously known mechanisms included four.
  • the electrical switch shown comprises a hollow housing 11, in the shape of a rectangular parallelepiped, a wheel 12 carrying a contact element 13 (metal brush) on one of its flat faces and a printed circuit 14 advantageously forming the cover of the hollow housing.
  • the wheel 12 is movable in rotation about a fixed axis 16 formed integrally with the wall of the housing 11 which faces the printed circuit 14. Conventionally, the latter materializes the fixed contact pads (not shown) of the switch, the contact element 13 selectively coming into engagement with these studs.
  • the cylindrical face 18 of the wheel 12 bears figures visible through a window 19 of the housing 11.
  • a drive pinion 20 is integral with the wheel 12 and arranged coaxially with it. this.
  • the pinion 20 has as many teeth as the switch has different positions.
  • Two pushers 21a, 21b are mounted movable in translation inside the housing 11 and arranged on either side of the pinion 20.
  • Each comprises a tooth 22a, 22b, capable of entering into engagement with the pinion drive 20.
  • Each pusher has one end 23a, 23b, which emerges from the housing 11, on either side of the window 19, thanks to corresponding openings 24a, 24b.
  • a positioning pawl 25 of the wheel 12 is integral with the wall of the housing 11 opposite the printed circuit 14. It consists of a base 26 and a flexible part 27 in engagement with the pinion 20. This flexible part is mounted relative to the pinion 20 so as to be constantly elastically urged towards it.
  • Its edge 28 has a ramp profile designed so that two neighboring teeth of the pinion 20 are always placed in the same way with respect to it, when said pinion has been rotated by a certain angle by one or the other.
  • pushers 21a or 21b Each pusher drives the wheel in one of the possible directions of rotation, the pusher 21 a is therefore, for example, called the counting pusher, while the pusher 21 b is called the counting pusher.
  • each pusher is biased away from the pinion 20 by a return means of flexible material comprising at least one elastically flexible arm.
  • this return means 30 is common to the two pushers 21 a and 21 b and it has substantially the shape of an X, two branches 31, 32 of which bear against the bottom side wall 33 of the housing, while the other two branches 34, 35, respectively join the two internal ends of the pushers 21 a and 21 b.
  • the X-shaped return means 30 came integrally with the two pushers 21 a and 21 b, as is clearly shown in FIG. 1.
  • the assembly of the assembly constituted by the two pushers and the return means 30 inside the housing 11 presents no difficulty and can be carried out extremely quickly, even automatically.
  • the correct positioning of this assembly is further facilitated by the fact that the base 26 of the pawl 25 has a side wall 36 which substantially reproduces part of the shape of the return means 30, so that a housing 37, specifically adapted to the shape and dimensions of the return means 30, is formed in the housing, which facilitates the establishment and the maintenance in position of the assembly constituted by this return means and by the pushers.

Landscapes

  • Push-Button Switches (AREA)
  • Electronic Switches (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Tumbler Switches (AREA)

Abstract

The invention provides an electrical switch having a simplified structure. In one aspect of the invention, each of the pushers of the mechanism for driving the wheel is brought back to a rest position by the same return means made from a flexible material, this return means having substantially the shape of an X. The return means is advantageously integrally formed with said two pushers.

Description

L'invention concerne un commutateur électrique miniature dont la conception a été étudiée dans le but de réduire le nombre de pièces et le temps de montage, en vue d'abaisser son prix de revient et d'augmenter sa fiabilité.The invention relates to a miniature electric switch, the design of which has been studied with the aim of reducing the number of parts and the assembly time, with a view to lowering its cost price and increasing its reliability.

La miniaturisation des dispositifs électromécaniques pose d'importants problèmes de fiabilité et de prix de revient. La fragilité des constituants, leur nombre, les difficultés d'assemblage sont les principaux obstacles qui s'opposent à une amélioration du rapport qualité/prix. Plusieurs constructeurs proposent actuellement sur le marché des commutateurs électriques miniaturisés, typiquement à dix positions, comportant deux poussoirs, respectivement de comptage et de décomptage. Un tel type de commutateur comporte un boîtier en matière plastique qui abrite les deux poussoirs, ainsi qu'une roue portant un ou plusieurs balais métalliques en contact frottant avec un circuit imprimé sur lequel sont matérialisés les plots fixes du commutateur. Le circuit imprimé forme avantageusement l'une des parois du boîtier. La roue porte des chiffres sur sa surface cylindrique, visibles à travers une fenêtre du boîtier. Un pignon d'entraînement est solidaire de cette roue, et chaque poussoir, mobile en translation à l'intérieur du boîtier, porte une dent susceptible d'entrer en engagement avec ledit pignon d'entraînement pour faire tourner la roue dans un sens de rotation correspondant. Pour cela, les deux poussoirs sont agencés symétriquement de part et d'autre de la roue. Un moyen de rappel est intercalé entre l'extrémité de chaque poussoir et la paroi de fond du boîtier, pour solliciter ledit poussoir en éloignement dudit pignon. Ce moyen de rappel est, généralement, un petit ressort hélicoïdal dont la mise en place dans le boîtier, au montage, est une opération délicate. L'invention vise notamment à supprimer de tels ressorts hélicoïdaux.The miniaturization of electromechanical devices poses significant problems of reliability and cost price. The fragility of the constituents, their number, the difficulties of assembly are the main obstacles which stand in the way of an improvement in the quality / price ratio. Several manufacturers currently offer on the market miniature electric switches, typically with ten positions, comprising two push buttons, respectively counting and counting down. Such a type of switch comprises a plastic casing which houses the two pushers, as well as a wheel carrying one or more metal brushes in rubbing contact with a printed circuit on which the fixed pads of the switch are materialized. The printed circuit advantageously forms one of the walls of the housing. The wheel has numbers on its cylindrical surface, visible through a window in the housing. A drive pinion is integral with this wheel, and each pusher, movable in translation inside the housing, carries a tooth capable of entering into engagement with said drive pinion to rotate the wheel in a direction of rotation. corresponding. For this, the two pushers are arranged symmetrically on either side of the wheel. A return means is interposed between the end of each pusher and the bottom wall of the housing, to urge said pusher away from said pinion. This return means is generally a small helical spring, the installation of which in the housing, during assembly, is a delicate operation. The invention aims in particular to remove such helical springs.

Par ailleurs, on connaît du document de brevet britannique GB-A-2 077 499 un commutateur électrique à roue et pignon d'entraînement muni de poussoirs liés par un moyen de rappel transversal prenant appui en son milieu contre une butée fixe solidaire du boîtier. Cependant, la structure décrite se prête mal à une miniaturisation poussée et une rupture entre l'un des poussoirs et le ressort entraîne la mise hors service du dispositif. L'invention permet aussi de surmonter tous ces inconvénients.Furthermore, the British patent document GB-A-2 077 499 discloses an electrical switch with a drive wheel and pinion provided with pushers connected by a transverse return means bearing in its middle against a fixed stop fixed to the housing. However, the structure described does not lend itself to extensive miniaturization and a rupture between one of the pushers and the spring leads to the device being put out of service. The invention also makes it possible to overcome all these drawbacks.

Dans cet esprit, l'invention concerne donc un commutateur électrique du type comportant un boîtier renfermant une roue portant un élément de contact, ladite roue étant mobile en rotation autour d'un axe fixe et munie d'un pignon d'entraînement, au moins un poussoir, mobile en translation et portant une dent susceptible d'entrer en engagement avec ledit pignon d'entraînement et un moyen de rappel en matériau souple sollicitant ledit poussoir en éloignement dudit pignon, caractérisé en ce que ledit moyen de rappel a sensiblement la forme générale d'un X dont au moins deux branches sont en appui sur une partie fixe dudit boîtier, par exemple la paroi latérale de fond de celui-ci.In this spirit, the invention therefore relates to an electrical switch of the type comprising a housing containing a wheel carrying a contact element, said wheel being movable in rotation about a fixed axis and provided with a drive pinion, at least a pusher, movable in translation and carrying a tooth capable of entering into engagement with said drive pinion and a return means made of flexible material urging said push rod away from said pinion, characterized in that said return means has substantially the shape general of an X, at least two branches of which bear on a fixed part of said housing, for example the bottom side wall of the latter.

Dans le cas le plus fréquent où le commutateur est équipé de deux poussoirs, respectivement de comptage et de décomptage, agencés de la façon indiquée ci-dessus, le moyen de rappel a avantageusement la forme générale d'un X dont au moins deux branches sont en appui sur une partie fixe du boîtier, par exemple la paroi latérale de fond dudit boîtier, alors que les deux autres branches rejoignent respectivement les deux extrémités desdits poussoirs. De cette façon, le moyen de rappel est commun aux deux poussoirs et il peut être avantageusement venu de matière avec ceux-ci. Dans ce dernier cas, on obtient donc une seule pièce là où les mécanismes connus antérieurement en comportaient quatre.In the most frequent case where the switch is equipped with two push buttons, respectively counting and counting down, arranged in the manner indicated above, the return means advantageously has the general shape of an X of which at least two branches are bearing on a fixed part of the housing, for example the side wall of the bottom of said housing, while the other two branches respectively join the two ends of said pushers. In this way, the return means is common to the two pushers and it can advantageously come integrally with them. In the latter case, there is therefore obtained a single piece where the previously known mechanisms included four.

L'invention sera mieux comprise et d'autre avantages de celle-ci apparaîtrons mieux, à la lumière de la description qui va suivre d'un mode de réalisation actuellement préféré d'un commutateur électrique conforme à son principe, donnée uniquement à titre d'exemple et faite en référence aux dessins non limitatifs annexés, dans lesquels:

  • la figure 1 est une vue en perspective éclaté d'un commutateur selon l'invention; et
  • la figure 2 est une vue à plus grande échelle de ce même commutateur, selon une section passant par le pignon d'entraînement.
The invention will be better understood and other advantages of it will appear better, in the light of the following description of a currently preferred embodiment of an electric switch conforming to its principle, given solely by way of illustration. 'example and made with reference to the accompanying non-limiting drawings, in which:
  • Figure 1 is an exploded perspective view of a switch according to the invention; and
  • Figure 2 is an enlarged view of the same switch, in a section passing through the drive pinion.

Le commutateur électrique représenté comporte un boîtier 11, creux, en forme de parallélépipède rectangle, une roue 12 portant un élément de contact 13 (balai métallique) sur l'une de ses faces planes et un circuit imprimé 14 formant avantageusement le couvercle du boîtier creux 11. La roue 12 est mobile en rotation autour d'un axe fixe 16 venu de matière avec la paroi du boîtier 11 qui fait face au circuit imprimé 14. De façon classique, ce dernier matérialise les plots de contact fixes (non représentés) du commutateur, l'élément de contact 13 venant sélectivement en engagement avec ces plots. La face cylindrique 18 de la roue 12 porte des chiffres visibles à travers une fenêtre 19 du boîtier 11. Comme le montre plus particulièrement la figure 2, un pignon d'entraînement 20 est solidaire de la roue 12 et agencé coaxiale- ment à celle-ci. Le pignon 20 comporte autant de dents que le commutateur comporte de positions différentes. Deux poussoirs 21 a, 21b, sont montés mobiles en translation à l'intérieur du boîtier 11 et agencés de part et d'autre du pignon 20. Chacun comporte une dent 22a, 22b, susceptible d'entrer en engagement avec le pignon d'entraînement 20. Chaque poussoir a une extrémité 23a, 23b, qui émerge du boîtier 11, de part et d'autre de la fenêtre 19, grâce à des ouvertures correspondantes 24a, 24b. Un cliquet de positionnement 25 de la roue 12 est solidaire de la paroi du boîtier 11 opposée au circuit imprimé 14. Il se compose d'un socle 26 et d'une partie flexible 27 en engagement avec le pignon 20. Cette partie flexible est montée par rapport au pignon 20 de façon à être constamment élastiquement sollicitée vers lui. Sa bordure 28 a un profil en rampe conçu pour que deux dents voisines du pignon 20 se placent toujours de la même façon par rapport à elle, lorsque ledit pignon a été entraîné en rotation d'un certain angle par l'un ou l'autre des poussoirs 21a ou 21b. Chaque poussoir entraîne la roue dans l'un des sens de rotation possibles, le poussoir 21 a est donc, par exemple, appelé poussoir de comptage, tandis que le poussoir 21 b est appelé poussoir de décomptage.The electrical switch shown comprises a hollow housing 11, in the shape of a rectangular parallelepiped, a wheel 12 carrying a contact element 13 (metal brush) on one of its flat faces and a printed circuit 14 advantageously forming the cover of the hollow housing. 11. The wheel 12 is movable in rotation about a fixed axis 16 formed integrally with the wall of the housing 11 which faces the printed circuit 14. Conventionally, the latter materializes the fixed contact pads (not shown) of the switch, the contact element 13 selectively coming into engagement with these studs. The cylindrical face 18 of the wheel 12 bears figures visible through a window 19 of the housing 11. As shown more particularly in FIG. 2, a drive pinion 20 is integral with the wheel 12 and arranged coaxially with it. this. The pinion 20 has as many teeth as the switch has different positions. Two pushers 21a, 21b are mounted movable in translation inside the housing 11 and arranged on either side of the pinion 20. Each comprises a tooth 22a, 22b, capable of entering into engagement with the pinion drive 20. Each pusher has one end 23a, 23b, which emerges from the housing 11, on either side of the window 19, thanks to corresponding openings 24a, 24b. A positioning pawl 25 of the wheel 12 is integral with the wall of the housing 11 opposite the printed circuit 14. It consists of a base 26 and a flexible part 27 in engagement with the pinion 20. This flexible part is mounted relative to the pinion 20 so as to be constantly elastically urged towards it. Its edge 28 has a ramp profile designed so that two neighboring teeth of the pinion 20 are always placed in the same way with respect to it, when said pinion has been rotated by a certain angle by one or the other. pushers 21a or 21b. Each pusher drives the wheel in one of the possible directions of rotation, the pusher 21 a is therefore, for example, called the counting pusher, while the pusher 21 b is called the counting pusher.

Selon l'invention, chaque poussoir est sollicité en éloignement du pignon 20 par un moyen de rappel en matériau souple comportant au moins un bras élastiquement flexible. Dans l'exemple représenté, ce moyen de rappel 30 est commun aux deux poussoirs 21 a et 21 b et il a sensiblement la forme d'un X dont deux branches 31, 32 sont en appui contre la paroi latérale de fond 33 du boîtier, tandis que les deux autres branches 34, 35, rejoignent respectivement les deux extrémités internes des poussoirs 21 a et 21 b.According to the invention, each pusher is biased away from the pinion 20 by a return means of flexible material comprising at least one elastically flexible arm. In the example shown, this return means 30 is common to the two pushers 21 a and 21 b and it has substantially the shape of an X, two branches 31, 32 of which bear against the bottom side wall 33 of the housing, while the other two branches 34, 35, respectively join the two internal ends of the pushers 21 a and 21 b.

Selon encore une autre particularité avantageuse de l'invention, le moyen de rappel 30 en forme de X est venu de matière avec les deux poussoirs 21 a et 21 b, comme cela est clairement représenté à la figure 1.According to yet another advantageous feature of the invention, the X-shaped return means 30 came integrally with the two pushers 21 a and 21 b, as is clearly shown in FIG. 1.

Ainsi, le montage de l'ensemble constitué par les deux poussoirs et le moyen de rappel 30 à l'intérieur du boîtier 11 ne présente aucune difficulté et peut s'effectuer extrêmement rapidement, voire automatiquement. Le positionnement correct de cet ensemble est encore facilité par le fait que le socle 26 du cliquet 25 a une paroi latérale 36 qui reproduit sensiblement une partie de la forme du moyen de rappel 30, de sorte qu'un logement 37, spécifiquement adapté à la forme et aux dimensions du moyen de rappel 30, est ménagé dans le boîtier, ce qui facilite la mise en place et le maintien en position de l'ensemble constitué par ce moyen de rappel et par les poussoirs.Thus, the assembly of the assembly constituted by the two pushers and the return means 30 inside the housing 11 presents no difficulty and can be carried out extremely quickly, even automatically. The correct positioning of this assembly is further facilitated by the fact that the base 26 of the pawl 25 has a side wall 36 which substantially reproduces part of the shape of the return means 30, so that a housing 37, specifically adapted to the shape and dimensions of the return means 30, is formed in the housing, which facilitates the establishment and the maintenance in position of the assembly constituted by this return means and by the pushers.

Le fonctionnement d'un tel commutateur découle avec évidence de la description qui précède. Le fait d'enfoncer l'un ou l'autre des poussoirs entraîne la roue 1 2 en rotation dans l'un ou l'autre sens d'un angle suffisant pour désengager l'une des deux dents du pignon 20 qui étaient préalablement en contact avec la partie flexible 27 du cliquet de positionnement 25. Une nouvelle position stable entre le cliquet et le pignon est ensuite atteinte grâce à l'action de la rampe 28. L'enfoncement manuel de l'un ou l'autre des poussoirs s'effectue contre une légère force élastique produite par le moyen de rappel 30 et, plus particulièrement les branches flexibles de celui-ci.The operation of such a switch is evident from the foregoing description. The fact of pushing one or the other of the pushers causes the wheel 1 2 to rotate in either direction by an angle sufficient to disengage one of the two teeth of the pinion 20 which were previously in contact with the flexible part 27 of the positioning pawl 25. A new stable position between the pawl and the pinion is then reached by the action of the ramp 28. Manual depressing of one or other of the pushers s 'performs against a slight elastic force produced by the return means 30 and, more particularly the flexible branches thereof.

Claims (6)

1. An electric switch of the type comprising a case (11) containing a wheel (12) carrying a contact element (13), said wheel being rotatable about a fixed pin (16) and having a drive pinion (20), at least one pusher (21 a, 21b) movable in translation and comprising a tooth (22a), (22b), engageable with said drive pinion and a return means (30) made from a flexible material urging said pusher away from said pinion, characterized in that said return means (30) has substantially the general form of an X at least two legs (31, 32) of which abut against a fixed part of said case, for example the bottom side wall (33) thereof.
2. Switch according to claim 1, characterized in that said return means (30) is integrally formed with said pusher (21 a, 21 b).
3. Switch according to claim 1 or 2, of the type comprising two parallel pushers (21 a, 21 b) arranged on each side of said pinion (20), characterized in that said return means is common to these two pushers.
4. Switch according to claim 3, characterized in that the other two legs (34, 35) of said X shaped return means are joined respectively to the two ends of said pushers.
5. Switch according to claim 4, characterized in that said X shaped return means is integrally molded with the two pushers.
6. Switch according to one of the preceding claims, comprising a pawl (25) for positioning said wheel, fixed to the wall of said case and a flexible portion (27) of which is engaged with said pinion (20), characterized in that said pawl comprises a base (26) a side wall (36) of which materialises, inside said case, a portion of the housing for said return means, facilitating the positioning and the maintenance thereof in position.
EP83400441A 1982-07-28 1983-03-04 Miniature electric switch Expired EP0100245B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83400441T ATE20787T1 (en) 1982-07-28 1983-03-04 MINIATURE ELECTRICAL SWITCH.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8213156 1982-07-28
FR8213156A FR2531261B1 (en) 1982-07-28 1982-07-28 MINIATURE ELECTRIC SWITCH

Publications (2)

Publication Number Publication Date
EP0100245A1 EP0100245A1 (en) 1984-02-08
EP0100245B1 true EP0100245B1 (en) 1986-07-16

Family

ID=9276396

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83400441A Expired EP0100245B1 (en) 1982-07-28 1983-03-04 Miniature electric switch

Country Status (6)

Country Link
US (1) US4503303A (en)
EP (1) EP0100245B1 (en)
JP (1) JPS5925121A (en)
AT (1) ATE20787T1 (en)
DE (1) DE3364471D1 (en)
FR (1) FR2531261B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1254932A (en) * 1984-07-04 1989-05-30 Sekisuke Yamanaka Digital switch
IL80686A0 (en) * 1986-11-18 1987-02-27 Gg Electronics Ltd Portable code transmitter and wireless remote control system including same
EP0340447A1 (en) * 1988-05-06 1989-11-08 Oerlikon-Contraves AG Multi-position push button switch
US20180161847A1 (en) * 2016-12-13 2018-06-14 William P. Lunden Wire Organizer for Untangling and Arranging Strands of Wires and Cables

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3196237A (en) * 1962-07-11 1965-07-20 Ark Les Switch Corp Rotary switch using plastic cover with integral leaf springs as positioning means
US3654413A (en) * 1970-02-12 1972-04-04 Janco Corp Bi-directional selector switch with slidable pawl transverse to plunger axis and ratchet wheel plane
US3748915A (en) * 1972-02-24 1973-07-31 Cutler Hammer Inc Multiposition bi-directional rotary means for a switch or the like
DE2653172C3 (en) * 1976-11-23 1982-03-11 Cherry Mikroschalter Gmbh, 8572 Auerbach Key coding switch
US4131771A (en) * 1977-04-06 1978-12-26 Becton, Dickinson Electronics Company Rotary switch with spaced circuit boards and discrete contacts on rotor opposite faces electrically insulated from furthermost board
US4257283A (en) * 1978-03-17 1981-03-24 Contraves Ag Stepping mechanism for a multi-position switch
US4383453A (en) * 1979-12-19 1983-05-17 Contraves Ag Stepping mechanism
GB2077499B (en) * 1980-04-18 1983-12-14 Cosmocord Ltd Multi-position electric switch

Also Published As

Publication number Publication date
JPS5925121A (en) 1984-02-09
EP0100245A1 (en) 1984-02-08
US4503303A (en) 1985-03-05
DE3364471D1 (en) 1986-08-21
ATE20787T1 (en) 1986-08-15
FR2531261A1 (en) 1984-02-03
FR2531261B1 (en) 1985-10-18

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