Patent US2646884A successfully refreshed from Google Patents.
Patent US3129596A successfully refreshed from Google Patents.
US3129596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound reproducing machines
Assignee: FOSTER MALIARD Ltd
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Filing: 1960-05-10
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Granted: 1964-04-21
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Expires: 1980-05-10
Abstract
No abstract record available.
Inventors
- 👤 Rudland Ronald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:17
CPC Classifications
G; G11; G11B; G11B19/00; G11B19/20; G11B19/26; G11B19/265
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
DRIVING MECHANISM FOR THE TURNTABLE OF A SOUND REPRODUCING MACHINE OF THE CHARACTER DESCRIBED WHEREIN THE TURNTABLE HAS A RIM AND IS DRIVEN BY AN ELECTRIC MOTOR PROVIDED WITH A SHAFT; SAID MECHANISM COMPRISING FRICTION GEARING INCLUDING TWO FRICTION WHEELS ENGAGEABLE WITH SAID RIM, ONE OF SAID FRICTION WHEELS BEING EFFECTIVE TO DRIVE SAID TURNTABLE IN ONE DIRECTION AND THE OTHER OF SAID FRICTION WHEELS BEING EFFECTIVE TO DRIVE SAID TURNTABLE IN THE OPPOSITE DIRECTION, MEANS FOR STOPPING AND STARTING SAID ELECTRIC MOTOR, MEANS CARRYING SAID FRICTION WHEELS, SAID RIM AND SAID SHAFT CONSTITUTING THE MEMBERS BETWEEN WHICH SAID WHEELS TRANSMIT MOTION, BOTH SAID MEANS BEING SO COUPLED THAT SAID FRICTION WHEELS ARE DISENGAGED FROM SAID MEMBERS WHEN SAID MOTOR IS STOPPED, A DRIVE WHEEL ROTATABLE WITH SAID SHAFT, BOTH SAID FRICTION WHEELS ENGAGING DIRECTLY WITH SAID DRIVE WHEEL, SAID MEANS CARRYING SAID FRICTION WHEELS COMPRISING A PAIR OF PIVOTED ARTICULATE
Claim 2
Dependent Claim
151 words
DRIVING MECHANISM FOR THE TURNTABLE OF A SOUND REPRODUCING MACHINE OF THE CHARACTER DESCRIBED WHEREIN THE TURNTABLE HAS A RIM AND IS DRIVEN BY AN ELECTRIC MOTOR PROVIDED WITH A SHAFT; SAID MECHANISM COMPRISING FRICTION GEARING INCLUDING TWO FRICTION WHEELS ENGAGEABLE WITH SAID RIM, ONE OF SAID FRICTION WHEELS BEING EFFECTIVE TO DRIVE SAID TURNTABLE IN ONE DIRECTION AND THE OTHER OF SAID FRICTION WHEELS BEING EFFECTIVE TO DRIVE SAID TURNTABLE IN THE OPPOSITE DIRECTION, MEANS FOR STOPPING AND STARTING SAID ELECTRIC MOTOR, MEANS CARRYING SAID FRICTION WHEELS, SAID RIM AND SAID SHAFT CONSTITUTING THE MEMBERS BETWEEN WHICH SAID WHEELS TRANSMIT MOTION, BOTH SAID MEANS BEING SO COUPLED THAT SAID FRICTION WHEELS ARE DISENGAGED FROM SAID MEMBERS WHEN SAID MOTOR IS STOPPED, A DRIVE WHEEL ROTATABLE WITH SAID SHAFT, BOTH SAID FRICTION WHEELS ENGAGING DIRECTLY WITH SAID DRIVE WHEEL, SAID MEANS CARRYING SAID FRICTION WHEELS COMPRISING A PAIR OF PIVOTED ARTICULATE
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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |