US3219246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driving device for a tape or the like
Assignee: Sony Corp
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Filing: 1963-03-20
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Granted: 1965-11-23
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Expires: 1983-03-20
Abstract
No abstract record available.
Inventors
- 👤 Kihara Nobutoshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:30
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/26; G11B15/28; G11B15/295; G11B15/60; G11B15/61
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
A DRIVING DEVICE FOR A TAPE COMPRISING A CAPSTAN FORMED WITH TWO AXIALLY ADJACENT PORTIONS OF DIFFERENT DIAMETERS, THE SMALLER DIAMETER PORTION HAVING A LENGTH OF AT LEAST AS GREAT AS THE WIDTH OF SAID TAPE, THE SMALLER DIAMETER DIFFERING FROM THE LARGER DIAMETER BY SUBSTANTIALLY TWICE THE THICKNESS OF SAID TAPE, A FIRST PINCH ROLLER FOR SUPPLYING SAID TAPE, SAID FIRST PINCH ROLLER BEING ARRANGED TO PRESS SAID TAPE TO ONE SIDE OF THE SMALLER DIAMETER PORTION OF SAID CAPSTAN, A SECOND INCH ROLLER FOR TAKING UP SAID TAPE, SAID SECOND PINCH ROLLER BEING OF CONSTANT DIAMETER AND OF SIMILAR MATERIAL THROUGHOUT ITS EFFECTIVE LENGTH AND ARRANGED SO THAT A PORTION OF ITS EFFECTIVE LENGTH CONTACTS THE LARGER DIAMETER PORTION OF SAID CAPSTAN, WHILE ANOTHER PORTION OF ITS EFFECTIVE LENGTH PRESSES SAID TAPE AGAINST THE OPPOSITE SIDE OF SAID SMALLER DIAMETER PORTION OF SAID CAPSTAN WHEREBY SAID PINCH ROLLER EFFECTIVELY IMPARTS TO SAID TAPE A DEGREE OF TENSION SUITABLE FOR MAGNETIC RECORDING AND PLAYBACK WITHOUT CAUSING SLIPPAGE OF SAID TAPE ON EITHER SIDE OF SAID CAPSTAN.
Claim 2
Dependent Claim
177 words
A DRIVING DEVICE FOR A TAPE COMPRISING A CAPSTAN FORMED WITH TWO AXIALLY ADJACENT PORTIONS OF DIFFERENT DIAMETERS, THE SMALLER DIAMETER PORTION HAVING A LENGTH OF AT LEAST AS GREAT AS THE WIDTH OF SAID TAPE, THE SMALLER DIAMETER DIFFERING FROM THE LARGER DIAMETER BY SUBSTANTIALLY TWICE THE THICKNESS OF SAID TAPE, A FIRST PINCH ROLLER FOR SUPPLYING SAID TAPE, SAID FIRST PINCH ROLLER BEING ARRANGED TO PRESS SAID TAPE TO ONE SIDE OF THE SMALLER DIAMETER PORTION OF SAID CAPSTAN, A SECOND INCH ROLLER FOR TAKING UP SAID TAPE, SAID SECOND PINCH ROLLER BEING OF CONSTANT DIAMETER AND OF SIMILAR MATERIAL THROUGHOUT ITS EFFECTIVE LENGTH AND ARRANGED SO THAT A PORTION OF ITS EFFECTIVE LENGTH CONTACTS THE LARGER DIAMETER PORTION OF SAID CAPSTAN, WHILE ANOTHER PORTION OF ITS EFFECTIVE LENGTH PRESSES SAID TAPE AGAINST THE OPPOSITE SIDE OF SAID SMALLER DIAMETER PORTION OF SAID CAPSTAN WHEREBY SAID PINCH ROLLER EFFECTIVELY IMPARTS TO SAID TAPE A DEGREE OF TENSION SUITABLE FOR MAGNETIC RECORDING AND PLAYBACK WITHOUT CAUSING SLIPPAGE OF SAID TAPE ON EITHER SIDE OF SAID 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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |