US3130889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound recording and reproducing apparatus
Assignee: Magnavox Electronics Co Ltd
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Filing: 1962-12-03
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Granted: 1964-04-28
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Expires: 1982-12-03
Abstract
No abstract record available.
Inventors
- 👤 Aldridge Peter John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:42
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/02; G11B15/10; G11B15/106; G11B15/18; G11B15/26; G11B15/28; G11B15/29
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
MAGNETIC TAPE SOUND REPRODUCING AND RECORDING APPARATUS COMPRISING A ROTARY CAPSTAN FOR MOVING THE TAPE THROUGH THE APPARATUS, A DRIVING MECHANISM, TRANSMISSION MEANS OPERATIVELY CONNECTING SAID DRIVING MECHANISM TO SAID CAPSTAN TO ROTATE SAID CAPSTAN AT CONSTANT SPEED, SAID CAPSTAN COMPRISING A FLYWHEEL AND A SPINDLE EXTENDING AXIALLY THROUGH AND FIXED TO SAID FLYWHEEL, A COMBINED JOURNAL AND THRUST BEARING SUPPORTING ONE END OF SAID SPINDLE AND TWO CO-AXIAL DRIVING PORTIONS OF DIFFERENT DIAMETERS AT THE OTHER END OF SAID SPINDLE, SAID BEARING INCLUDING A BALL ON WHICH A SURFACE AT SAID ONE END OF SAID SPINDLE RESTS AND A TWO ARMED LEVER ONE ARM OF WHICH ACTS ON SAID BALL AND MANUALLY OPERATED MEANS ACTING ON THE OTHER ARM OF SAID LEVER TO ROCK SAID LEVER AND MOVE SAID BALL AND WITH IT SAID SPINDLE UPWARDS AND DOWNWARDS TO BRING EITHER THE ONE OR THE OTHER OF SAID TWO CO-AXIAL DRIVING PORTIONS INTO SAID DRIVING POSITION IN CONTACT WITH SAID TAPE.
Claim 2
Dependent Claim
162 words
MAGNETIC TAPE SOUND REPRODUCING AND RECORDING APPARATUS COMPRISING A ROTARY CAPSTAN FOR MOVING THE TAPE THROUGH THE APPARATUS, A DRIVING MECHANISM, TRANSMISSION MEANS OPERATIVELY CONNECTING SAID DRIVING MECHANISM TO SAID CAPSTAN TO ROTATE SAID CAPSTAN AT CONSTANT SPEED, SAID CAPSTAN COMPRISING A FLYWHEEL AND A SPINDLE EXTENDING AXIALLY THROUGH AND FIXED TO SAID FLYWHEEL, A COMBINED JOURNAL AND THRUST BEARING SUPPORTING ONE END OF SAID SPINDLE AND TWO CO-AXIAL DRIVING PORTIONS OF DIFFERENT DIAMETERS AT THE OTHER END OF SAID SPINDLE, SAID BEARING INCLUDING A BALL ON WHICH A SURFACE AT SAID ONE END OF SAID SPINDLE RESTS AND A TWO ARMED LEVER ONE ARM OF WHICH ACTS ON SAID BALL AND MANUALLY OPERATED MEANS ACTING ON THE OTHER ARM OF SAID LEVER TO ROCK SAID LEVER AND MOVE SAID BALL AND WITH IT SAID SPINDLE UPWARDS AND DOWNWARDS TO BRING EITHER THE ONE OR THE OTHER OF SAID TWO CO-AXIAL DRIVING PORTIONS INTO SAID DRIVING POSITION IN CONTACT WITH SAID TAPE.
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) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |