EP0100245A1 - Elektrischer Kleinschalter - Google Patents

Elektrischer Kleinschalter Download PDF

Info

Publication number
EP0100245A1
EP0100245A1 EP83400441A EP83400441A EP0100245A1 EP 0100245 A1 EP0100245 A1 EP 0100245A1 EP 83400441 A EP83400441 A EP 83400441A EP 83400441 A EP83400441 A EP 83400441A EP 0100245 A1 EP0100245 A1 EP 0100245A1
Authority
EP
European Patent Office
Prior art keywords
return means
housing
pushers
pinion
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.)
Granted
Application number
EP83400441A
Other languages
English (en)
French (fr)
Other versions
EP0100245B1 (de
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/de
Publication of EP0100245A1 publication Critical patent/EP0100245A1/de
Application granted granted Critical
Publication of EP0100245B1 publication Critical patent/EP0100245B1/de
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 whose placement in the housing, during assembly, is a delicate operation. The invention aims in particular to remove such helical springs.
  • 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 urging said pusher away from said pinion, characterized in that said return means is made of flexible material and comprises at least an elastically flexible arm in response to a depression of said pusher.
  • 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 electric 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 drive pinion 20.
  • Each pusher has one end 23a, 23b, which emerges from the housing 11, on either side on the other 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 21a is therefore, for example, called the counting pusher, while the pusher 21b 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 21a and 21b and has substantially the general shape of an X, two branches 31, 32 of which bear against the bottom side wall 33 of the housing, while that the two other branches 34, 35, respectively join the two internal ends of the pushers 21a and 21b.
  • the means. reminder 30 in the form of an X came as a single piece with the two pushers 21a and 21b, as is clearly represented 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)
EP83400441A 1982-07-28 1983-03-04 Elektrischer Kleinschalter Expired EP0100245B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83400441T ATE20787T1 (de) 1982-07-28 1983-03-04 Elektrischer kleinschalter.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8213156 1982-07-28
FR8213156A FR2531261B1 (fr) 1982-07-28 1982-07-28 Commutateur electrique miniature

Publications (2)

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

Family

ID=9276396

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83400441A Expired EP0100245B1 (de) 1982-07-28 1983-03-04 Elektrischer Kleinschalter

Country Status (6)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0268238A2 (de) * 1986-11-18 1988-05-25 GG ELECTRONICS Ltd. Tragbarer Kodesender und drahtloses Fernsteuerungssystem mit diesem Sender

Families Citing this family (3)

* 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
EP0340447A1 (de) * 1988-05-06 1989-11-08 Oerlikon-Contraves AG Drucktasten-Mehrstufenschalter
US20180161847A1 (en) * 2016-12-13 2018-06-14 William P. Lunden Wire Organizer for Untangling and Arranging Strands of Wires and Cables

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006967A1 (de) * 1978-03-17 1980-01-23 Contraves Ag Schrittschaltwerk
EP0031038A1 (de) * 1979-12-19 1981-07-01 Contraves Ag Schrittschaltwerk
GB2077499A (en) * 1980-04-18 1981-12-16 Cosmocord Ltd Multi-position electric switch

Family Cites Families (5)

* 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 (de) * 1976-11-23 1982-03-11 Cherry Mikroschalter Gmbh, 8572 Auerbach Tastenkodierschalter
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006967A1 (de) * 1978-03-17 1980-01-23 Contraves Ag Schrittschaltwerk
EP0031038A1 (de) * 1979-12-19 1981-07-01 Contraves Ag Schrittschaltwerk
GB2077499A (en) * 1980-04-18 1981-12-16 Cosmocord Ltd Multi-position electric switch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0268238A2 (de) * 1986-11-18 1988-05-25 GG ELECTRONICS Ltd. Tragbarer Kodesender und drahtloses Fernsteuerungssystem mit diesem Sender
EP0268238A3 (de) * 1986-11-18 1989-09-13 GG ELECTRONICS Ltd. Tragbarer Kodesender und drahtloses Fernsteuerungssystem mit diesem Sender

Also Published As

Publication number Publication date
FR2531261A1 (fr) 1984-02-03
FR2531261B1 (fr) 1985-10-18
US4503303A (en) 1985-03-05
EP0100245B1 (de) 1986-07-16
ATE20787T1 (de) 1986-08-15
DE3364471D1 (en) 1986-08-21
JPS5925121A (ja) 1984-02-09

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