US3183385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turntable drive system
Assignee: Individual
•
Filing: 1962-12-19
•
Granted: 1965-05-11
•
Expires: 1982-12-19
Abstract
No abstract record available.
Inventors
- 👤 Gustave O Gabriel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:09
CPC Classifications
G; G11; G11B; G11B19/00; G11B19/20; G11B19/26; G11B19/265
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A DRIVE SYSTEM FOR A PHONOGRAPH TURNTABLE COMPRISING IN COMBINATION: HOUSING MEANS; PLATE MEANS RESILIENTLY MOUNTED ON SAID HOUSING MEANS; MOTOR MEANS MOUNTED ON SAID PLATE MEANS; GEAR MEANS OPERABLE CONNECTED TO SAID MOTOR MEANS FOR TRANSMITTING DRIVE THEREFROM; DECK MEANS RESILIENTLY MOUNTED ON SAID HOUSING MEANS; MEANS INCLUDING A TURNTABLE ROTATABLY MOUNTED ON SAID DECK MEANS; AND MAGNETIC MEANS FOR COUPLING SAID TURNTABLE MEANS TO SAID GEAR MEANS FOR TRANSMITTING DRIVE THEREBETWEEN, SAID MAGNETIC MEANS INCLUDING A PAIR OF NORMALLY VERTICALLY SPACED DISCS EACH HAVING A LIKE PLURALITY OF CIRCUMFERENTIALLY SPACED PERMANENT MAGNETS MOUNTED ON OPPOSED SURFACES OF SAID DISCS, SAID VERTICALLY SPACED MAGNETS HAVING OPPOSED POLARITIES WHEREBY THE MAGNETIC COUPLING IS PROVIDED FOR TRANSMITTING DRIVE BETWEEN SAID TURNTABLE MEANS AND SAID GEAR MEANS.
Claim 2
Dependent Claim
125 words
A DRIVE SYSTEM FOR A PHONOGRAPH TURNTABLE COMPRISING IN COMBINATION: HOUSING MEANS; PLATE MEANS RESILIENTLY MOUNTED ON SAID HOUSING MEANS; MOTOR MEANS MOUNTED ON SAID PLATE MEANS; GEAR MEANS OPERABLE CONNECTED TO SAID MOTOR MEANS FOR TRANSMITTING DRIVE THEREFROM; DECK MEANS RESILIENTLY MOUNTED ON SAID HOUSING MEANS; MEANS INCLUDING A TURNTABLE ROTATABLY MOUNTED ON SAID DECK MEANS; AND MAGNETIC MEANS FOR COUPLING SAID TURNTABLE MEANS TO SAID GEAR MEANS FOR TRANSMITTING DRIVE THEREBETWEEN, SAID MAGNETIC MEANS INCLUDING A PAIR OF NORMALLY VERTICALLY SPACED DISCS EACH HAVING A LIKE PLURALITY OF CIRCUMFERENTIALLY SPACED PERMANENT MAGNETS MOUNTED ON OPPOSED SURFACES OF SAID DISCS, SAID VERTICALLY SPACED MAGNETS HAVING OPPOSED POLARITIES WHEREBY THE MAGNETIC COUPLING IS PROVIDED FOR TRANSMITTING DRIVE BETWEEN SAID TURNTABLE MEANS AND SAID GEAR MEANS.
References Cited (Backward Citations)
US2300778A
Cited
US3113228A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |