US4198170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single element typing for left to right or right to left letter feeding
Assignee: TA Triumph-Adler GmbH
•
Filing: 1978-04-21
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Granted: 1980-04-15
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Expires: 1998-04-21
Abstract
Abstract A carriage supporting a single type element is couplable either to the upper run or the lower run of a looped cable drive system for left or right or right to left letter feeding movement under control of an escapement pawl carrier associated with a unidirectional control rack and driven by the upper run of the cable drive system.
Inventors
- 👤 Herbert Decker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:25
CPC Classifications
B; B41; B41J; B41J1/00; B41J1/22; B41J19/00; B41J19/18; B41J19/34; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18152
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
103 words
A single element typewriter having bidirectional drive means to move a single element type carrier in letter feed and carriage return direction parallel to a writing line, comprising a closed loop cable system having parallel runs extending the length of a writing line, said loop being coupled to said bidirectional drive means, an escapement pawl carrier connected in one of said loop runs, connector means in the other of said runs, a single element font carrier supported for movement along a writing line, and means for selectively coupling said single element font carrier to said escapement pawl carrier or to said connector means.
Claim 2
Dependent Claim
103 words
A single element typewriter having bidirectional drive means to move a single element type carrier in letter feed and carriage return direction parallel to a writing line, comprising a closed loop cable system having parallel runs extending the length of a writing line, said loop being coupled to said bidirectional drive means, an escapement pawl carrier connected in one of said loop runs, connector means in the other of said runs, a single element font carrier supported for movement along a writing line, and means for selectively coupling said single element font carrier to said escapement pawl carrier or to said connector means.
Claim 3
Dependent Claim
18 words
A typewriter as recited in claim 1, said coupling means being mounted on said single element font carrier.
Claim 4
Dependent Claim
45 words
A typewriter as recited in claim 1, said coupling means comprising a bolt mounted on said single element font carrier for axial movement, and an opening in said escapement pawl carrier and in said lower run of said cable system for reception of said bolt.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-04-15 | 1983-10-15 | 1984-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-04-15 | 1987-10-15 | 1988-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-04-15 | 1991-10-15 | 1992-04-15 | $7700.00 | Window Closed / Lapsed |