EP0046575A3 - Parallel guide for a key switch with multiple buttons - Google Patents
Parallel guide for a key switch with multiple buttons Download PDFInfo
- 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
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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3032282 | 1980-08-27 | ||
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 |
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)
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)
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)
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 |
-
1980
- 1980-08-27 DE DE3032282A patent/DE3032282C2/en not_active Expired
-
1981
- 1981-08-20 EP EP81106490A patent/EP0046575B1/en not_active Expired
- 1981-08-26 CA CA000384625A patent/CA1173479A/en not_active Expired
-
1983
- 1983-05-24 US US06/496,339 patent/US4475832A/en not_active Expired - Fee Related
Patent Citations (5)
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 |
---|---|
EP0046575B1 (en) | 1985-11-13 |
US4475832A (en) | 1984-10-09 |
DE3032282C2 (en) | 1982-10-28 |
DE3032282A1 (en) | 1982-03-04 |
CA1173479A (en) | 1984-08-28 |
EP0046575A2 (en) | 1982-03-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19811028 |
|
AK | Designated contracting states |
Designated state(s): CH FR GB IT NL SE |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
RHK1 | Main classification (correction) |
Ipc: B41J 5/12 |
|
AK | Designated contracting states |
Designated state(s): CH FR GB IT NL SE |
|
ITF | It: translation for a ep patent filed |
Owner name: STUDIO JAUMANN |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Designated state(s): CH FR GB IT LI NL SE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Effective date: 19851130 |
|
ET | Fr: translation filed | ||
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed | ||
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: NL Payment date: 19870831 Year of fee payment: 7 |
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PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
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NLV4 | Nl: lapsed or anulled due to non-payment of the annual fee | ||
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Ref country code: GB Effective date: 19890820 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
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|
GBPC | Gb: european patent ceased through non-payment of renewal fee | ||
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Ref country code: FR Effective date: 19900427 |
|
REG | Reference to a national code |
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