Patent US3267757A successfully refreshed from Google Patents.
US3267757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low-rumble phonograph turntable drive system
Assignee: Admiral Corp
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Filing: 1964-06-12
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Granted: 1966-08-23
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Expires: 1984-06-12
Abstract
No abstract record available.
Inventors
- 👤 Donald J Hammerand
- 👤 Allen J Bury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:41
CPC Classifications
F; F16; F16H; F16H15/00; F16H15/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
IN COMBINATION WITH A PHONOGRAPH TURNTABLE; AN ELECTRIC MOTOR HAVING A DRIVE SHAFT; AN IDLER WHEEL FRICTIONALLY COUPLED TO SAID TURNTABLE AND SAID DRIVE SHAFT AND TRANSLATING MOTION FROM SAID DRIVE SHAFT TO SAID TURNTABLE; A BASE PLATE MOUNTING SAID MOTOR AND SAID IDLER WHEEL AND BEING RESILIENTLY SUPPORTED WITH RESPECT TO SAID TURNTABLE; AND MASS DISTRIBUTION MEANS COUPLED TO SAID MOTOR ESTABLISHING THE AXIS OF GYRATION OF SAID MOTOR AND IDLER WHEEL SUBSTANTIALLY ON A LINE JOINING THE AXIS OF SAID IDLER WHEEL AND THE POINT OF ENGAGEMENT BETWEEN SAID IDLER WHEEL AND SAID TURNTABLE, WHEREBY ANY TORQUE PULSE INDUCED VIBRATIONS IN SAID MOTOR ARE CONVERTED INTO FORCES SUBSTANTIALLY TANGENTIAL TO SAID IDLER WHEEL AT SAID POINT OF ENGAGEMENT.
Claim 2
Dependent Claim
120 words
IN COMBINATION WITH A PHONOGRAPH TURNTABLE; AN ELECTRIC MOTOR HAVING A DRIVE SHAFT; AN IDLER WHEEL FRICTIONALLY COUPLED TO SAID TURNTABLE AND SAID DRIVE SHAFT AND TRANSLATING MOTION FROM SAID DRIVE SHAFT TO SAID TURNTABLE; A BASE PLATE MOUNTING SAID MOTOR AND SAID IDLER WHEEL AND BEING RESILIENTLY SUPPORTED WITH RESPECT TO SAID TURNTABLE; AND MASS DISTRIBUTION MEANS COUPLED TO SAID MOTOR ESTABLISHING THE AXIS OF GYRATION OF SAID MOTOR AND IDLER WHEEL SUBSTANTIALLY ON A LINE JOINING THE AXIS OF SAID IDLER WHEEL AND THE POINT OF ENGAGEMENT BETWEEN SAID IDLER WHEEL AND SAID TURNTABLE, WHEREBY ANY TORQUE PULSE INDUCED VIBRATIONS IN SAID MOTOR ARE CONVERTED INTO FORCES SUBSTANTIALLY TANGENTIAL TO SAID IDLER WHEEL AT SAID POINT OF ENGAGEMENT.
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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |