DE3941841A1 - Tastatur fuer schreibmaschinen, drucker und dgl. - Google Patents

Tastatur fuer schreibmaschinen, drucker und dgl.

Info

Publication number
DE3941841A1
DE3941841A1 DE19893941841 DE3941841A DE3941841A1 DE 3941841 A1 DE3941841 A1 DE 3941841A1 DE 19893941841 DE19893941841 DE 19893941841 DE 3941841 A DE3941841 A DE 3941841A DE 3941841 A1 DE3941841 A1 DE 3941841A1
Authority
DE
Germany
Prior art keywords
elastic
key
keyboard
pins
button
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
DE19893941841
Other languages
German (de)
English (en)
Other versions
DE3941841C2 (enrdf_load_stackoverflow
Inventor
Heinz Kvasnicka
Heiko Hoefker
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.)
TA Triumph Adler GmbH
Original Assignee
TA Triumph Adler GmbH
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 TA Triumph Adler GmbH filed Critical TA Triumph Adler GmbH
Priority to DE19893941841 priority Critical patent/DE3941841A1/de
Publication of DE3941841A1 publication Critical patent/DE3941841A1/de
Application granted granted Critical
Publication of DE3941841C2 publication Critical patent/DE3941841C2/de
Granted 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
    • 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
    • B41J5/16—Mounting or connecting key buttons on or to key levers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/062—Damping vibrations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2233/00—Key modules
    • H01H2233/01—Key modules mounted on laykey
    • H01H2233/024—Riveting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2233/00—Key modules
    • H01H2233/03—Key modules mounted on support plate or frame
    • H01H2233/044—Riveting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2233/00—Key modules
    • H01H2233/09—Actuating striker on actuator part

Landscapes

  • Push-Button Switches (AREA)
DE19893941841 1989-12-19 1989-12-19 Tastatur fuer schreibmaschinen, drucker und dgl. Granted DE3941841A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19893941841 DE3941841A1 (de) 1989-12-19 1989-12-19 Tastatur fuer schreibmaschinen, drucker und dgl.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19893941841 DE3941841A1 (de) 1989-12-19 1989-12-19 Tastatur fuer schreibmaschinen, drucker und dgl.

Publications (2)

Publication Number Publication Date
DE3941841A1 true DE3941841A1 (de) 1991-06-20
DE3941841C2 DE3941841C2 (enrdf_load_stackoverflow) 1992-03-19

Family

ID=6395754

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19893941841 Granted DE3941841A1 (de) 1989-12-19 1989-12-19 Tastatur fuer schreibmaschinen, drucker und dgl.

Country Status (1)

Country Link
DE (1) DE3941841A1 (enrdf_load_stackoverflow)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3797630A (en) * 1971-07-12 1974-03-19 Alphanumeric Holdings Ltd Keyboard for electronic circuit
US4527030A (en) * 1980-11-06 1985-07-02 Preh Elektrofeinmechanische Werke, Jakob Preh Nachf., Gmbh & Co. Keyboard
DE3740952A1 (de) * 1987-02-19 1988-04-07 Robotron Veb K Tastenfeld fuer die schreib- und computertechnik
DE3722616A1 (de) * 1987-07-09 1989-01-19 Triumph Adler Ag Tastatur fuer schreib- oder aehnliche maschinen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3797630A (en) * 1971-07-12 1974-03-19 Alphanumeric Holdings Ltd Keyboard for electronic circuit
US4527030A (en) * 1980-11-06 1985-07-02 Preh Elektrofeinmechanische Werke, Jakob Preh Nachf., Gmbh & Co. Keyboard
DE3740952A1 (de) * 1987-02-19 1988-04-07 Robotron Veb K Tastenfeld fuer die schreib- und computertechnik
DE3722616A1 (de) * 1987-07-09 1989-01-19 Triumph Adler Ag Tastatur fuer schreib- oder aehnliche maschinen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Fachzeitschrift: Feinwerktechnik und Messtechnik, 97 (1989) 10, S. 423-426 *

Also Published As

Publication number Publication date
DE3941841C2 (enrdf_load_stackoverflow) 1992-03-19

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee