EP0046575A3 - Parallel guide for a key switch with multiple buttons - Google Patents

Parallel guide for a key switch with multiple buttons Download PDF

Info

Publication number
EP0046575A3
EP0046575A3 EP81106490A EP81106490A EP0046575A3 EP 0046575 A3 EP0046575 A3 EP 0046575A3 EP 81106490 A EP81106490 A EP 81106490A EP 81106490 A EP81106490 A EP 81106490A EP 0046575 A3 EP0046575 A3 EP 0046575A3
Authority
EP
European Patent Office
Prior art keywords
key switch
parallel guide
multiple buttons
buttons
guide
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
EP81106490A
Other languages
German (de)
Other versions
EP0046575B1 (en
EP0046575A2 (en
Inventor
Walter Wachs
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP0046575A2 publication Critical patent/EP0046575A2/en
Publication of EP0046575A3 publication Critical patent/EP0046575A3/en
Application granted granted Critical
Publication of EP0046575B1 publication Critical patent/EP0046575B1/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J5/00—Devices or arrangements for controlling character selection
    • B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
    • B41J5/12—Construction of key buttons
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/12—Push-buttons
    • H01H3/122—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor
EP81106490A 1980-08-27 1981-08-20 Parallel guide for a key switch with multiple buttons Expired EP0046575B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3032282A DE3032282C2 (en) 1980-08-27 1980-08-27 Key switch with a key housing for installation in a recessed support plate of keyboards in typewriters
DE3032282 1980-08-27

Publications (3)

Publication Number Publication Date
EP0046575A2 EP0046575A2 (en) 1982-03-03
EP0046575A3 true EP0046575A3 (en) 1982-09-08
EP0046575B1 EP0046575B1 (en) 1985-11-13

Family

ID=6110506

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81106490A Expired EP0046575B1 (en) 1980-08-27 1981-08-20 Parallel guide for a key switch with multiple buttons

Country Status (4)

Country Link
US (1) US4475832A (en)
EP (1) EP0046575B1 (en)
CA (1) CA1173479A (en)
DE (1) DE3032282C2 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4384796A (en) * 1982-03-18 1983-05-24 Oak Industries Inc. Keyboard space bar stabilizer
US4468145A (en) * 1982-03-18 1984-08-28 Oak Industries, Inc. Keyboard space bar stabilizer
DE3239553C1 (en) * 1982-10-26 1984-01-26 Tesch AG, 6373 Ennetbürgen Watch case with push buttons
US4453063A (en) * 1983-08-03 1984-06-05 Illinois Tool Works Inc. Keyswitch configuration with torque rod holder
DE3329698A1 (en) * 1983-08-17 1985-03-07 Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co, 8740 Bad Neustadt PRINT BUTTON
DE3405654C2 (en) * 1984-02-17 1996-02-29 Asea Brown Boveri Actuator for switching devices
US4535210A (en) * 1984-04-18 1985-08-13 Illinois Tool Works Inc. Keyswitch stabilizing device
TW367513B (en) * 1992-06-11 1999-08-21 Alps Electric Co Ltd Key switch
JP2585754Y2 (en) * 1992-10-01 1998-11-25 エスエムケイ株式会社 Keyboard key top assembly mechanism
US5424516A (en) * 1993-09-23 1995-06-13 Emmons; Charles E. Low profile pushbutton switch
US5668358A (en) * 1994-07-05 1997-09-16 Ultimate Rechnology Corporation Reconfigurable keyboard
US5669723A (en) * 1996-03-26 1997-09-23 Behavior Technical Computer Corp. Key assembly for computer keyboard
US5941373A (en) * 1997-05-30 1999-08-24 Mustke Corporation Integrated keyboard key assembly
TW346213U (en) * 1997-08-01 1998-11-21 Acer Peripherals Inc Improvement for multiple pushing key

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3292761A (en) * 1965-11-04 1966-12-20 Navigation Computer Corp Typewriter key lever and mount therefor
DE2208647A1 (en) * 1972-02-24 1973-09-06 Alps Electric Co Ltd SPACEBAR
DE2404895A1 (en) * 1974-02-01 1975-08-14 Standard Elektrik Lorenz Ag Single action key for space bar actuation - has built-in snap action spring for low operating force
US3916150A (en) * 1974-03-04 1975-10-28 Stackpole Component Co Data machine keyboard assembly with elongated key cap for actuating an electric switch
DE2854096A1 (en) * 1978-12-14 1980-06-19 Siemens Ag KEY SWITCHES, ESPECIALLY FOR KEYBOARDS IN TYPEWRITERS, AND SIMILAR DEVICES

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3711685A (en) * 1971-12-27 1973-01-16 Cherry Electrical Prod Keyboard switch actuator
US3720801A (en) * 1972-02-03 1973-03-13 Alps Electric Co Ltd Space key
US4188136A (en) * 1978-01-19 1980-02-12 Cherry Electrical Prod's. Corp. Keyboard switch actuator and locking assembly

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3292761A (en) * 1965-11-04 1966-12-20 Navigation Computer Corp Typewriter key lever and mount therefor
DE2208647A1 (en) * 1972-02-24 1973-09-06 Alps Electric Co Ltd SPACEBAR
DE2404895A1 (en) * 1974-02-01 1975-08-14 Standard Elektrik Lorenz Ag Single action key for space bar actuation - has built-in snap action spring for low operating force
US3916150A (en) * 1974-03-04 1975-10-28 Stackpole Component Co Data machine keyboard assembly with elongated key cap for actuating an electric switch
DE2854096A1 (en) * 1978-12-14 1980-06-19 Siemens Ag KEY SWITCHES, ESPECIALLY FOR KEYBOARDS IN TYPEWRITERS, AND SIMILAR DEVICES

Also Published As

Publication number Publication date
DE3032282A1 (en) 1982-03-04
DE3032282C2 (en) 1982-10-28
US4475832A (en) 1984-10-09
CA1173479A (en) 1984-08-28
EP0046575B1 (en) 1985-11-13
EP0046575A2 (en) 1982-03-03

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