CA2009246A1 - Mecanisme de commutateur a touche et actionneur de commutateur a membrane - Google Patents

Mecanisme de commutateur a touche et actionneur de commutateur a membrane

Info

Publication number
CA2009246A1
CA2009246A1 CA2009246A CA2009246A CA2009246A1 CA 2009246 A1 CA2009246 A1 CA 2009246A1 CA 2009246 A CA2009246 A CA 2009246A CA 2009246 A CA2009246 A CA 2009246A CA 2009246 A1 CA2009246 A1 CA 2009246A1
Authority
CA
Canada
Prior art keywords
spring
key switch
switch mechanism
pivots
membrane actuator
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
CA2009246A
Other languages
English (en)
Other versions
CA2009246C (fr
Inventor
David A. Bruner
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.)
Lexmark International Inc
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of CA2009246A1 publication Critical patent/CA2009246A1/fr
Application granted granted Critical
Publication of CA2009246C publication Critical patent/CA2009246C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/044—Injection moulding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2235/00—Springs
    • H01H2235/012—Euler spring

Landscapes

  • Push-Button Switches (AREA)
  • Manufacture Of Switches (AREA)
CA002009246A 1989-04-28 1990-02-02 Mecanisme de commutateur a touche et actionneur de commutateur a membrane Expired - Fee Related CA2009246C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/345,068 US4931606A (en) 1989-04-28 1989-04-28 Key switch mechanism and membrane actuator
US345,068 1989-04-28

Publications (2)

Publication Number Publication Date
CA2009246A1 true CA2009246A1 (fr) 1990-10-28
CA2009246C CA2009246C (fr) 1994-07-26

Family

ID=23353353

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002009246A Expired - Fee Related CA2009246C (fr) 1989-04-28 1990-02-02 Mecanisme de commutateur a touche et actionneur de commutateur a membrane

Country Status (7)

Country Link
US (1) US4931606A (fr)
EP (1) EP0395561B1 (fr)
JP (1) JPH0362426A (fr)
AR (1) AR244906A1 (fr)
BR (1) BR9001337A (fr)
CA (1) CA2009246C (fr)
DE (1) DE69020427T2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2593409Y2 (ja) * 1992-12-02 1999-04-12 エスエムケイ株式会社 キーボードスイッチ
NZ310969A (en) 1995-06-13 1999-06-29 Mec As Producing an electrical switch by providing a sheet, removing portions, attaching a housing, installing switching and separating portions
US8182023B2 (en) * 2010-03-16 2012-05-22 Sabic Innovative Plastics Ip B.V. Plastically deformable spring energy management systems and methods for making and using the same
ITTO20120749A1 (it) * 2012-08-30 2014-03-01 Bitron Spa Dispositivo di comando per interruttori
JP7001838B2 (ja) 2019-04-30 2022-01-20 ウェスト ファーマ サービシーズ イスラエル リミテッド デュアルルーメンｉｖスパイク付き液体移送装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH425357A (de) * 1965-06-29 1966-11-30 Gebert & Cie Nach dem Spritzgussverfahren hergestellte Schraubenfeder und Verwendung derselben
DE6935759U (de) * 1969-09-10 1969-12-11 Standard Elektrik Lorenz Ag Schraubenfeder
US3982081A (en) * 1974-09-04 1976-09-21 Amp Incorporated Keyboard assembly with overlapped flexible printed circuit cable switch
US4118611A (en) * 1977-08-30 1978-10-03 International Business Machines Corporation Buckling spring torsional snap actuator
US4553009A (en) * 1982-09-03 1985-11-12 Oak Industries Inc. Keyboard switch with pivotal actuator lever
US4479040A (en) * 1983-03-07 1984-10-23 Oak Industries Inc. Tactile feel switch with positive switch actuation
US4528431A (en) * 1983-10-03 1985-07-09 International Business Machines Corporation Rocking switch actuator for a low force membrane contact switch
JPS63176836A (ja) * 1987-01-16 1988-07-21 Miura Seisakusho:Kk プラスチツク製コイルばね
SU1424065A1 (ru) * 1987-02-13 1988-09-15 Предприятие П/Я А-1458 Привод исполнительного элемента клавишной чейки
US4859820A (en) * 1988-03-31 1989-08-22 American Telephone And Telegraph Company Quiet key switch

Also Published As

Publication number Publication date
CA2009246C (fr) 1994-07-26
DE69020427T2 (de) 1996-03-07
DE69020427D1 (de) 1995-08-03
JPH0362426A (ja) 1991-03-18
EP0395561B1 (fr) 1995-06-28
BR9001337A (pt) 1991-04-02
EP0395561A3 (fr) 1991-03-06
EP0395561A2 (fr) 1990-10-31
AR244906A1 (es) 1993-11-30
US4931606A (en) 1990-06-05

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed