GB1052696A - - Google Patents
Info
- Publication number
- GB1052696A GB1052696A GB1052696DA GB1052696A GB 1052696 A GB1052696 A GB 1052696A GB 1052696D A GB1052696D A GB 1052696DA GB 1052696 A GB1052696 A GB 1052696A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tape
- key
- keys
- loop
- supports
- 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.)
- Active
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
- B41J5/18—Locks
- B41J5/22—Interlocks between keys, e.g. without detent arrangements
Landscapes
- Printers Characterized By Their Purpose (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
Abstract
1,052,696. Typewriters &c. MARCONI CO. Ltd. July 16, 1965 [Sept. 16, 1964], No. 37912/64. Heading B6F. A key-interlock device comprises a non- stretchable tape 7 arranged over a series of support rollers so that when the desired number of keys are depressed (usually one) the tape is taut and prevents depression of further keys. The tape 7 may be adjustably mounted in fixed end supports 4, 5; in a modification it may be an endless tape around two or more supports. The key extensions, which may also have rollers, arranged to act on different parts of the loop including acting on the underside of the loop.
Publications (1)
Publication Number | Publication Date |
---|---|
GB1052696A true GB1052696A (en) |
Family
ID=1757153
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1052696D Active GB1052696A (en) |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1052696A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3516529A (en) * | 1968-01-26 | 1970-06-23 | Singer Co | Keyboard lock |
US4091912A (en) * | 1977-03-17 | 1978-05-30 | Computer Peripherals, Inc. | Record media clamping mechanism |
-
0
- GB GB1052696D patent/GB1052696A/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3516529A (en) * | 1968-01-26 | 1970-06-23 | Singer Co | Keyboard lock |
US4091912A (en) * | 1977-03-17 | 1978-05-30 | Computer Peripherals, Inc. | Record media clamping mechanism |
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