JPS5324845B1 - - Google Patents
Info
- Publication number
- JPS5324845B1 JPS5324845B1 JP3784372A JP3784372A JPS5324845B1 JP S5324845 B1 JPS5324845 B1 JP S5324845B1 JP 3784372 A JP3784372 A JP 3784372A JP 3784372 A JP3784372 A JP 3784372A JP S5324845 B1 JPS5324845 B1 JP S5324845B1
- Authority
- JP
- Japan
- 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.)
- Pending
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
-
- 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
- B41J5/14—Construction of key levers
-
- 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
- B41J5/28—Multiple-action keys, e.g. keys depressed by two or more amounts or movable in two or more directions to effect different functions or selections
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- 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
- H01H13/72—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 wherein the switch has means for limiting the number of operating members that can concurrently be in the actuated position
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13693171A | 1971-04-23 | 1971-04-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5324845B1 true JPS5324845B1 (en) | 1978-07-24 |
Family
ID=22475066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3784372A Pending JPS5324845B1 (en) | 1971-04-23 | 1972-04-17 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3722651A (en) |
| JP (1) | JPS5324845B1 (en) |
| CA (1) | CA966105A (en) |
| DE (1) | DE2219751A1 (en) |
| GB (1) | GB1391197A (en) |
| IT (1) | IT957562B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3863748A (en) * | 1973-11-14 | 1975-02-04 | Singer Co | Shift lock mechanism |
-
1971
- 1971-04-23 US US00136931A patent/US3722651A/en not_active Expired - Lifetime
-
1972
- 1972-03-13 IT IT48948/72A patent/IT957562B/en active
- 1972-03-21 CA CA137,654A patent/CA966105A/en not_active Expired
- 1972-04-17 JP JP3784372A patent/JPS5324845B1/ja active Pending
- 1972-04-20 GB GB1847772A patent/GB1391197A/en not_active Expired
- 1972-04-21 DE DE19722219751 patent/DE2219751A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA966105A (en) | 1975-04-15 |
| US3722651A (en) | 1973-03-27 |
| GB1391197A (en) | 1975-04-16 |
| DE2219751A1 (en) | 1972-11-09 |
| IT957562B (en) | 1973-10-20 |