ZA796767B - Electrical switch assemblies - Google Patents
Electrical switch assembliesInfo
- Publication number
- ZA796767B ZA796767B ZA00796767A ZA796767A ZA796767B ZA 796767 B ZA796767 B ZA 796767B ZA 00796767 A ZA00796767 A ZA 00796767A ZA 796767 A ZA796767 A ZA 796767A ZA 796767 B ZA796767 B ZA 796767B
- Authority
- ZA
- South Africa
- Prior art keywords
- electrical switch
- switch assemblies
- assemblies
- electrical
- switch
- Prior art date
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
-
- 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
- H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
- H01H13/52—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2854096A DE2854096C2 (de) | 1978-12-14 | 1978-12-14 | Tastenschalter, insbesondere für Tastaturen in Schreibmaschinen und ähnlichen Einrichtungen |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA796767B true ZA796767B (en) | 1980-11-26 |
Family
ID=6057229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00796767A ZA796767B (en) | 1978-12-14 | 1979-12-13 | Electrical switch assemblies |
Country Status (4)
Country | Link |
---|---|
US (1) | US4313685A (ja) |
JP (1) | JPS5583109A (ja) |
DE (1) | DE2854096C2 (ja) |
ZA (1) | ZA796767B (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3013115C2 (de) * | 1980-04-03 | 1987-08-20 | Schoeller & Co Elektrotechnische Fabrik Gmbh & Co, 6000 Frankfurt | Elektrischer Tastenschalter |
DE3032282C2 (de) * | 1980-08-27 | 1982-10-28 | Siemens AG, 1000 Berlin und 8000 München | Tastenschalter mit einem Tastengehäuse zum Einbau in einer mit Ausnehmungen versehenen Trageplatte von Tastaturen in Schreibmaschinen |
US4480932A (en) * | 1982-09-24 | 1984-11-06 | Willcox Frederick P | Keyboard having rotationally positionable indicia for indicating type font in use |
JPS6087432U (ja) * | 1983-11-21 | 1985-06-15 | アルプス電気株式会社 | スイツチ |
JPS6233123U (ja) * | 1985-08-14 | 1987-02-27 | ||
US4761522A (en) * | 1986-10-06 | 1988-08-02 | Allen Donald E | Finger operated switching apparatus |
US4769516A (en) * | 1986-10-06 | 1988-09-06 | Allen Donald E | Finger operated switching apparatus |
US4831223A (en) * | 1987-03-25 | 1989-05-16 | Jelco Co. Ltd. | Push-button switch |
US5495081A (en) * | 1994-01-24 | 1996-02-27 | C&K Components, Inc. | Actuator for a push button switch |
US6497521B1 (en) * | 1999-12-17 | 2002-12-24 | Daniel James Lohr | No-impact keyboard |
EP1590820A4 (en) * | 2002-12-17 | 2006-08-16 | Medconx Inc | LIMITER MECHANICAL SWITCH |
US7075023B2 (en) * | 2002-12-17 | 2006-07-11 | Medconx, Inc. | Pushbutton mechanical limiter switch including movable contact located in housing passage way |
US8481877B2 (en) * | 2011-02-02 | 2013-07-09 | X' Pole Precision Tools Inc. | Dust-proof machine tools |
DE102016101586A1 (de) * | 2016-01-29 | 2017-08-03 | Johnson Electric Germany GmbH & Co. KG | Mikrosignalschalter |
DE102016101588A1 (de) * | 2016-01-29 | 2017-08-03 | Johnson Electric Germany GmbH & Co. KG | Mikrosignalschalter |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1610835A (en) * | 1926-12-14 | Electric switch | ||
US1629896A (en) * | 1925-06-11 | 1927-05-24 | Valerius Johann | Push-button switch |
US3379851A (en) * | 1966-02-09 | 1968-04-23 | United Carr Inc | Pushbutton using three stage unitary spring as a contactor means |
GB1411761A (en) * | 1972-01-19 | 1975-10-29 | Plessey Co Ltd | Electric switches |
JPS5535807B2 (ja) * | 1972-03-09 | 1980-09-17 | ||
GB1472851A (en) * | 1973-04-09 | 1977-05-11 | Alphameric Keyboards Ltd | Keyboards |
US3842229A (en) * | 1973-07-05 | 1974-10-15 | Texas Instruments Inc | Keyboard pushbutton switch |
SE398572B (sv) * | 1975-12-22 | 1977-12-27 | Raeder Eskil | Tryckknapp |
US4209682A (en) * | 1978-07-19 | 1980-06-24 | Rood Robert M | Low bounce momentary contact switch |
-
1978
- 1978-12-14 DE DE2854096A patent/DE2854096C2/de not_active Expired
-
1979
- 1979-11-29 US US06/098,406 patent/US4313685A/en not_active Expired - Lifetime
- 1979-12-13 ZA ZA00796767A patent/ZA796767B/xx unknown
- 1979-12-14 JP JP16344079A patent/JPS5583109A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS5583109A (en) | 1980-06-23 |
US4313685A (en) | 1982-02-02 |
DE2854096C2 (de) | 1982-04-08 |
DE2854096A1 (de) | 1980-06-19 |
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