US3351255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape transport pressure roller actuator
Assignee: Lockheed Martin Corp
•
Filing: 1965-09-15
•
Granted: 1967-11-07
•
Expires: 1985-09-15
Abstract
No abstract record available.
Inventors
- 👤 Alfred S Gorawski
- 👤 Henry A Seesselberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:16
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/26; G11B15/28; G11B15/29; G11B15/02; G11B15/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A PRESSURE ROLLER ACTUATOR FOR TAPE RECORDERS AND THE LIKE HAVING A CAPSTAN DRIVE COMPRISING, A FRAME, A PRESSURE ROLLER, ARM MEANS CARRYING SAID ROLLER AND HINGED ON SAID FRAME ESTABLISHING A PATH OF ROLLER MOVEMENT RELATIVE TO SAID CAPSTAN, AN ECCENTRIC CAM ROTATABLY CARRIED ON SAID FRAME FOR ENGAGING SAID ARM MEANS AND MOVING SAID ROLLER AWAY FROM SAID CAPSTAN, SPRING MEANS URGING SAID ARM TOWARD SAID CAPSTAN AND IN ENGAGEMENT WITH SAID CAM MEANS, SAID SPRING MEANS BEING ADJUSTABLE TO REGULATE THE FORCE THE ROLLER MAY EXERT AGAINST THE CAPSTAN, ESCAPEMENT MEANS CONNECTING WITH SAID CAM AND LIMITING RETROGRADE MOVEMENT THEREOF, RATCHET DRIVE MEANS COUPLED TO SAID CAM, MANUAL SWITCH MEANS FOR ENERGIZING SAID DRIVE MEANS, AND AUTOMATIC SWITCH MEANS DEENERGIZING SAID DRIVE MEANS IN RESPONSE TO ARM MOVEMENT TO AT LEAST ONE EXTREME POSITION.
Claim 2
Dependent Claim
137 words
A PRESSURE ROLLER ACTUATOR FOR TAPE RECORDERS AND THE LIKE HAVING A CAPSTAN DRIVE COMPRISING, A FRAME, A PRESSURE ROLLER, ARM MEANS CARRYING SAID ROLLER AND HINGED ON SAID FRAME ESTABLISHING A PATH OF ROLLER MOVEMENT RELATIVE TO SAID CAPSTAN, AN ECCENTRIC CAM ROTATABLY CARRIED ON SAID FRAME FOR ENGAGING SAID ARM MEANS AND MOVING SAID ROLLER AWAY FROM SAID CAPSTAN, SPRING MEANS URGING SAID ARM TOWARD SAID CAPSTAN AND IN ENGAGEMENT WITH SAID CAM MEANS, SAID SPRING MEANS BEING ADJUSTABLE TO REGULATE THE FORCE THE ROLLER MAY EXERT AGAINST THE CAPSTAN, ESCAPEMENT MEANS CONNECTING WITH SAID CAM AND LIMITING RETROGRADE MOVEMENT THEREOF, RATCHET DRIVE MEANS COUPLED TO SAID CAM, MANUAL SWITCH MEANS FOR ENERGIZING SAID DRIVE MEANS, AND AUTOMATIC SWITCH MEANS DEENERGIZING SAID DRIVE MEANS IN RESPONSE TO ARM MOVEMENT TO AT LEAST ONE EXTREME POSITION.
References Cited (Backward Citations)
US3148819A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |