US3191834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape driving system for tape recorders
Assignee: Tohoku Oki Electric Co Ltd
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Filing: 1962-09-17
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Granted: 1965-06-29
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Expires: 1982-09-17
Abstract
No abstract record available.
Inventors
- 👤 Nakauchi Shunsaku
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:15
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/43
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A TAPE DRIVING DEVICE FOR TAPE RECORDERS COMPRISING A FIRST PULLEY, AND MEANS FOR DRIVING SAID PULLEY, A FIRST CAPSTAN COAXIAL WITH SAID FIRST PULLEY, A PINCH ROLLER IN CONTACT WITH SAID FIRST CAPSTAN, A SECOND PULLEY A BELT TRAINED ABOUT SAID PULLEYS, A SECOND CAPSTAN COAXIAL WITH SAID SECOND PULLEY AND FOR TAKING UP THE TAPE, A PINCH ROLLER IN CONTACT WITH SAID SECOND CAPSTAN, A BRAKE PROVIDED ON SAID SECOND PULLEY FOR TENSIONING THE BELT WHEREBY THE PERIPHERAL VELOCTY OF THE SECOND CAPSTAN IS MADE LOWER THAN THAT OF THE FIRST CAPSTAN.
Claim 2
Dependent Claim
94 words
A TAPE DRIVING DEVICE FOR TAPE RECORDERS COMPRISING A FIRST PULLEY, AND MEANS FOR DRIVING SAID PULLEY, A FIRST CAPSTAN COAXIAL WITH SAID FIRST PULLEY, A PINCH ROLLER IN CONTACT WITH SAID FIRST CAPSTAN, A SECOND PULLEY A BELT TRAINED ABOUT SAID PULLEYS, A SECOND CAPSTAN COAXIAL WITH SAID SECOND PULLEY AND FOR TAKING UP THE TAPE, A PINCH ROLLER IN CONTACT WITH SAID SECOND CAPSTAN, A BRAKE PROVIDED ON SAID SECOND PULLEY FOR TENSIONING THE BELT WHEREBY THE PERIPHERAL VELOCTY OF THE SECOND CAPSTAN IS MADE LOWER THAN THAT OF THE FIRST CAPSTAN.
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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |