DE3941841C2 - - Google Patents
Info
- Publication number
- DE3941841C2 DE3941841C2 DE19893941841 DE3941841A DE3941841C2 DE 3941841 C2 DE3941841 C2 DE 3941841C2 DE 19893941841 DE19893941841 DE 19893941841 DE 3941841 A DE3941841 A DE 3941841A DE 3941841 C2 DE3941841 C2 DE 3941841C2
- Authority
- DE
- Germany
- Prior art keywords
- key
- button
- guide arrangement
- tappet
- carrier plate
- 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.)
- Expired - Fee Related
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)
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 DE3941841A1 (de) | 1991-06-20 |
DE3941841C2 true DE3941841C2 (zh) | 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 (zh) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3797630A (en) * | 1971-07-12 | 1974-03-19 | Alphanumeric Holdings Ltd | Keyboard for electronic circuit |
DE3041859A1 (de) * | 1980-11-06 | 1982-06-03 | Preh Elektro Feinmechanik | Tastatur |
DD270404B5 (de) * | 1987-02-19 | 1993-07-08 | Schmidt Dietmar Dipl Ing | Tastenfeld fuer schreib- und computertechnik |
DE3722616A1 (de) * | 1987-07-09 | 1989-01-19 | Triumph Adler Ag | Tastatur fuer schreib- oder aehnliche maschinen |
-
1989
- 1989-12-19 DE DE19893941841 patent/DE3941841A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3941841A1 (de) | 1991-06-20 |
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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 |