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EP0353369A3 - Keyswitch - Google Patents

Keyswitch Download PDF

Info

Publication number
EP0353369A3
EP0353369A3 EP19880312396 EP88312396A EP0353369A3 EP 0353369 A3 EP0353369 A3 EP 0353369A3 EP 19880312396 EP19880312396 EP 19880312396 EP 88312396 A EP88312396 A EP 88312396A EP 0353369 A3 EP0353369 A3 EP 0353369A3
Authority
EP
European Patent Office
Prior art keywords
spring
pushbutton
keyswitch
depressed
terminals
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.)
Withdrawn
Application number
EP19880312396
Other languages
German (de)
French (fr)
Other versions
EP0353369A2 (en
Inventor
I-Long Wu
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0353369A2 publication Critical patent/EP0353369A2/en
Publication of EP0353369A3 publication Critical patent/EP0353369A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/52—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch
    • 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
    • H01H1/24—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
    • H01H1/242—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting the contact forming a part of a coil spring

Landscapes

  • Push-Button Switches (AREA)

Abstract

A keyswitch includes a pushbutton (1, P, 1a, 1b) and a conductive coil spring (2, S, 2a, 2b) for supporting the pushbutton (1, P, 1a, 1b) on the upper end of the spring (2, S, 2a, 2b). The lower part of the spring (2, S, 2a, 2b) is in the shape of a conical helix. When the pushbutton (1, P, 1a, 1b) is depressed, the spring (2, S, 2a, 2b) forms a conductive path between two terminals (3 and 3, A and B, 3a and 8a, 3b and 3b).
EP19880312396 1988-08-01 1988-12-29 Keyswitch Withdrawn EP0353369A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US22731088A 1988-08-01 1988-08-01
US227310 1988-08-01

Publications (2)

Publication Number Publication Date
EP0353369A2 EP0353369A2 (en) 1990-02-07
EP0353369A3 true EP0353369A3 (en) 1991-03-06

Family

ID=22852603

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880312396 Withdrawn EP0353369A3 (en) 1988-08-01 1988-12-29 Keyswitch

Country Status (2)

Country Link
EP (1) EP0353369A3 (en)
AU (1) AU2762988A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007030504A1 (en) * 2007-06-30 2009-01-08 Zweibrüder Optoelectronics GmbH compression spring
CN102889326A (en) * 2012-10-15 2013-01-23 安徽江淮汽车股份有限公司 Spiral spring without parallel ring
RU2642548C2 (en) * 2013-12-17 2018-01-25 Сименс Акциенгезелльшафт Protective electronic module for hvdc converter
CN105280442B (en) * 2015-10-19 2017-04-26 锦州汉拿电机有限公司 Anti-icing starter electromagnetic switch with spiral spring contacts
CN113048174A (en) * 2021-03-24 2021-06-29 北京汽车集团越野车有限公司 Elastic element, elastic component and automobile

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2247905A1 (en) * 1972-03-09 1973-09-20 Casio Computer Co Ltd BUTTONS ARRANGEMENT
DE2905140A1 (en) * 1979-02-10 1980-08-21 Vdo Schindling ELECTRICAL PRESSURE SWITCH FOR PCB
DE2925653A1 (en) * 1979-06-26 1981-01-08 Standard Elektrik Lorenz Ag Key-pad coil spring press switch - has definite snap-action of one coil winding off another and onto contact
GB2073494A (en) * 1980-04-03 1981-10-14 Schoeller & Co Elektrotech Electrical keyswitch

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2247905A1 (en) * 1972-03-09 1973-09-20 Casio Computer Co Ltd BUTTONS ARRANGEMENT
DE2905140A1 (en) * 1979-02-10 1980-08-21 Vdo Schindling ELECTRICAL PRESSURE SWITCH FOR PCB
DE2925653A1 (en) * 1979-06-26 1981-01-08 Standard Elektrik Lorenz Ag Key-pad coil spring press switch - has definite snap-action of one coil winding off another and onto contact
GB2073494A (en) * 1980-04-03 1981-10-14 Schoeller & Co Elektrotech Electrical keyswitch

Also Published As

Publication number Publication date
AU2762988A (en) 1990-02-01
EP0353369A2 (en) 1990-02-07

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Legal Events

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Effective date: 19910907