ZA714929B - Keyboard for a business machine - Google Patents
Keyboard for a business machineInfo
- Publication number
- ZA714929B ZA714929B ZA714929A ZA714929A ZA714929B ZA 714929 B ZA714929 B ZA 714929B ZA 714929 A ZA714929 A ZA 714929A ZA 714929 A ZA714929 A ZA 714929A ZA 714929 B ZA714929 B ZA 714929B
- Authority
- ZA
- South Africa
- Prior art keywords
- keyboard
- business machine
- business
- machine
- 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
- B41J5/14—Construction of key levers
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US6203770A | 1970-08-07 | 1970-08-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA714929B true ZA714929B (en) | 1972-04-26 |
Family
ID=22039816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA714929A ZA714929B (en) | 1970-08-07 | 1971-07-23 | Keyboard for a business machine |
Country Status (10)
Country | Link |
---|---|
US (1) | US3715023A (en) |
JP (1) | JPS5119373B1 (en) |
AU (1) | AU448829B2 (en) |
BE (1) | BE770814A (en) |
CA (1) | CA940834A (en) |
CH (1) | CH523545A (en) |
DE (1) | DE2138135B2 (en) |
FR (1) | FR2103833A5 (en) |
GB (1) | GB1298546A (en) |
ZA (1) | ZA714929B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4071719A (en) * | 1976-07-22 | 1978-01-31 | Illinois Tool Works Inc. | Keyboard switch assembly having actuator interlocking keyboard shift and shift lock and release mechanism |
GB1591986A (en) * | 1976-09-21 | 1981-07-01 | Dobson Park Ind | Typewriters |
US4295012A (en) * | 1980-02-04 | 1981-10-13 | Illinois Tool Works Inc. | Secretarial shift mechanism for an electric keyboard |
Family Cites Families (1)
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 |
-
1970
- 1970-08-07 US US00062037A patent/US3715023A/en not_active Expired - Lifetime
-
1971
- 1971-06-29 CA CA117,018A patent/CA940834A/en not_active Expired
- 1971-07-20 GB GB33998/71A patent/GB1298546A/en not_active Expired
- 1971-07-23 ZA ZA714929A patent/ZA714929B/en unknown
- 1971-07-30 DE DE2138135A patent/DE2138135B2/en not_active Withdrawn
- 1971-07-30 JP JP46057463A patent/JPS5119373B1/ja active Pending
- 1971-08-02 FR FR7128199A patent/FR2103833A5/fr not_active Expired
- 1971-08-02 BE BE770814A patent/BE770814A/en unknown
- 1971-08-02 AU AU31880/71A patent/AU448829B2/en not_active Expired
- 1971-08-06 CH CH1159071A patent/CH523545A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CH523545A (en) | 1972-05-31 |
US3715023A (en) | 1973-02-06 |
FR2103833A5 (en) | 1972-04-14 |
DE2138135B2 (en) | 1978-10-26 |
DE2138135A1 (en) | 1972-02-10 |
AU448829B2 (en) | 1974-05-30 |
BE770814A (en) | 1971-12-16 |
JPS5119373B1 (en) | 1976-06-17 |
GB1298546A (en) | 1972-12-06 |
AU3188071A (en) | 1973-02-08 |
CA940834A (en) | 1974-01-29 |
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