GB1438739A - Typewriter spacing selection and control mechanism - Google Patents
Typewriter spacing selection and control mechanismInfo
- Publication number
- GB1438739A GB1438739A GB4189874A GB4189874A GB1438739A GB 1438739 A GB1438739 A GB 1438739A GB 4189874 A GB4189874 A GB 4189874A GB 4189874 A GB4189874 A GB 4189874A GB 1438739 A GB1438739 A GB 1438739A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pawl
- pawls
- sept
- control mechanism
- print head
- 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
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
- B41J19/00—Character- or line-spacing mechanisms
- B41J19/18—Character-spacing or back-spacing mechanisms; Carriage return or release devices therefor
- B41J19/34—Escapement-feed character-spacing mechanisms
- B41J19/58—Differential or variable-spacing arrangements
-
- 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
- B41J19/00—Character- or line-spacing mechanisms
- B41J19/18—Character-spacing or back-spacing mechanisms; Carriage return or release devices therefor
- B41J19/34—Escapement-feed character-spacing mechanisms
- B41J19/42—Escapements having two pawls or like detents
- B41J19/44—Escapements having two pawls or like detents coacting with two toothed members, e.g. racks or wheels
Landscapes
- Knitting Machines (AREA)
- Character Spaces And Line Spaces In Printers (AREA)
- Push-Button Switches (AREA)
- Common Mechanisms (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1383073A CH566213A5 (es) | 1973-09-27 | 1973-09-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1438739A true GB1438739A (en) | 1976-06-09 |
Family
ID=4395693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4189874A Expired GB1438739A (en) | 1973-09-27 | 1974-09-26 | Typewriter spacing selection and control mechanism |
Country Status (7)
Country | Link |
---|---|
US (1) | US3912067A (es) |
CH (1) | CH566213A5 (es) |
DE (1) | DE2445970C3 (es) |
FR (1) | FR2245491B1 (es) |
GB (1) | GB1438739A (es) |
IT (1) | IT1020868B (es) |
SE (1) | SE400051B (es) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1857771A (en) * | 1929-06-05 | 1932-05-10 | Varityper Inc | Variable feed mechanism for typewriter carriages |
-
1973
- 1973-09-27 CH CH1383073A patent/CH566213A5/xx not_active IP Right Cessation
-
1974
- 1974-09-24 DE DE2445970A patent/DE2445970C3/de not_active Expired
- 1974-09-25 IT IT69884/74A patent/IT1020868B/it active
- 1974-09-25 US US509264A patent/US3912067A/en not_active Expired - Lifetime
- 1974-09-25 SE SE7412037A patent/SE400051B/xx unknown
- 1974-09-26 FR FR7432519A patent/FR2245491B1/fr not_active Expired
- 1974-09-26 GB GB4189874A patent/GB1438739A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2445970A1 (de) | 1975-04-10 |
SE400051B (sv) | 1978-03-13 |
SE7412037L (es) | 1975-04-01 |
FR2245491B1 (es) | 1982-09-03 |
US3912067A (en) | 1975-10-14 |
DE2445970C3 (de) | 1978-07-20 |
CH566213A5 (es) | 1975-09-15 |
FR2245491A1 (es) | 1975-04-25 |
IT1020868B (it) | 1977-12-30 |
DE2445970B2 (de) | 1977-11-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
746 | Register noted 'licences of right' (sect. 46/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |