US3383473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bi-directional tape transport
Assignee: Individual
•
Filing: 1963-02-27
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Granted: 1968-05-14
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Expires: 1983-02-27
Abstract
No abstract record available.
Inventors
- 👤 Richard E Schroter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:24
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/48; G11B5/54; G11B5/55; G11B5/5504; G11B15/00; G11B15/18; G11B15/60; G11B15/66; G11B15/665; G11B15/6653; G11B15/6656
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
IN COMBINATION WITH A LENGTH OF MAGNETIC TAPE HAVING ITS ENDS SECURED TO A PAIR OF REELS, AND A TRANSDUCER TO BE MOVED TRANSVERSELY OF THE TAPE, A TAPE DRIVE AND TRANSDUCER POSITIONING CONTROL SYSTEM COMPRISING: A UNIDIRECTIONAL MOTOR HAVING AN OUTPUT SHAFT; SHAFT MEANS TO BE COUPLED TO SAID OUTPUT SHAFT FOR DRIVING SAID REELS AND TAPE; COUPLER MEANS ROTATABLE BY SAID OUTPUT SHAFT FOR COUPLING SAID SHAFT MEANS TO SAID OUTPUT SHAFT, SAID COUPLER MEANS BEING MOVABLE BETWEEN TWO POSITIONS WHEREIN IT CAUSES SAID SHAFT MEANS TO ROTATE IN OPPOSITE DIRECTIONS; AN ELONGATED RACK MEMBER CARRYING SAID TRANSDUCER AT ONE END THEREOF; A PINION MEMBER ENGAGING SAID RACK AND ROTATABLE TO IMPART LONGITUDINAL MOVEMENT TO SAID RACK MEMBER; CAM MEANS FOR MOVING SAID COUPLER MEANS BETWEEN ITS TWO POSITIONS; AND A ROTATABLE CONTROL SHAFT MECHANICALLY COUPLED TO SAID PINION MEMBER AND CAM MEANS, SAID CAM MEANS BEING OPERABLE TO CAM SAID COUPLER MEANS ALTERNATELY BETWEEN ITS TWO POSITIONS A PLURALITY OF TIMES DURING A REVOLUTION OF SAID CONTROL SHAFT.
Claim 2
Dependent Claim
171 words
IN COMBINATION WITH A LENGTH OF MAGNETIC TAPE HAVING ITS ENDS SECURED TO A PAIR OF REELS, AND A TRANSDUCER TO BE MOVED TRANSVERSELY OF THE TAPE, A TAPE DRIVE AND TRANSDUCER POSITIONING CONTROL SYSTEM COMPRISING: A UNIDIRECTIONAL MOTOR HAVING AN OUTPUT SHAFT; SHAFT MEANS TO BE COUPLED TO SAID OUTPUT SHAFT FOR DRIVING SAID REELS AND TAPE; COUPLER MEANS ROTATABLE BY SAID OUTPUT SHAFT FOR COUPLING SAID SHAFT MEANS TO SAID OUTPUT SHAFT, SAID COUPLER MEANS BEING MOVABLE BETWEEN TWO POSITIONS WHEREIN IT CAUSES SAID SHAFT MEANS TO ROTATE IN OPPOSITE DIRECTIONS; AN ELONGATED RACK MEMBER CARRYING SAID TRANSDUCER AT ONE END THEREOF; A PINION MEMBER ENGAGING SAID RACK AND ROTATABLE TO IMPART LONGITUDINAL MOVEMENT TO SAID RACK MEMBER; CAM MEANS FOR MOVING SAID COUPLER MEANS BETWEEN ITS TWO POSITIONS; AND A ROTATABLE CONTROL SHAFT MECHANICALLY COUPLED TO SAID PINION MEMBER AND CAM MEANS, SAID CAM MEANS BEING OPERABLE TO CAM SAID COUPLER MEANS ALTERNATELY BETWEEN ITS TWO POSITIONS A PLURALITY OF TIMES DURING A REVOLUTION OF SAID CONTROL SHAFT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |