US3296892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constant select speed accessory group drive
Assignee: Individual
•
Filing: 1964-04-24
•
Granted: 1967-01-10
•
Expires: 1984-04-24
Abstract
No abstract record available.
Inventors
- 👤 Gordon M Gibson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:22
CPC Classifications
F; F01; F01P; F01P7/00; F01P7/02; F01P7/04; F01P7/046; F16; F16D; F16D43/00; F16D43/02; F16D43/04; F16D43/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
IN COMBINATION, AN ENGINE HAVING A DRIVE SHAFT, A COUNTER SHAFT DRIVEN BY SAID DRIVE SHAFT AT A STEPPED-UP RATIO, OUTPUT MEANS FOR OPERATION OF ACCESSORIES, AND MEANS COUPLING SAID DRIVE SHAFT TO SAID OUTPUT MEANS FOR OPERATING THE LATTER AT A SUBSTANTIALLY CONSTANT SPEED IRRESPECTIVE OF A WIDE RANGE OF ENGINE SPEEDS, SAID COUPLING MEANS COMPRISING FIRST MEANS INCLUDING A DISC, SECOND MEANS INCLUDING AT LEAST ONE FRICTION ELEMENT ADAPTED TO EXERT FRICTIONAL FORCE AGAINST THE FACE OF SAID DISC, AND SPEED RESPONSIVE MEANS CONNECTED TO SAID OUTPUT MEANS FOR ADJUSTING THE FRICTIONAL FORCE BETWEEN SAID FRICTION ELEMENT AND SAID DISC IN ACCORDANCE WITH THE ROTATIONAL SPEED OF SAID OUTPUT MEANS, SAID DRIVE SHAFT BEING OPERATIVELY CONNECTED TO ONE OF SAID FIRST AND SECOND MEANS AND SAID OUTPUT MEANS BEING OPERATIVELY COUPLED TO THE OTHER OF SAID FIRST AND SECOND MEANS.
Claim 2
Dependent Claim
142 words
IN COMBINATION, AN ENGINE HAVING A DRIVE SHAFT, A COUNTER SHAFT DRIVEN BY SAID DRIVE SHAFT AT A STEPPED-UP RATIO, OUTPUT MEANS FOR OPERATION OF ACCESSORIES, AND MEANS COUPLING SAID DRIVE SHAFT TO SAID OUTPUT MEANS FOR OPERATING THE LATTER AT A SUBSTANTIALLY CONSTANT SPEED IRRESPECTIVE OF A WIDE RANGE OF ENGINE SPEEDS, SAID COUPLING MEANS COMPRISING FIRST MEANS INCLUDING A DISC, SECOND MEANS INCLUDING AT LEAST ONE FRICTION ELEMENT ADAPTED TO EXERT FRICTIONAL FORCE AGAINST THE FACE OF SAID DISC, AND SPEED RESPONSIVE MEANS CONNECTED TO SAID OUTPUT MEANS FOR ADJUSTING THE FRICTIONAL FORCE BETWEEN SAID FRICTION ELEMENT AND SAID DISC IN ACCORDANCE WITH THE ROTATIONAL SPEED OF SAID OUTPUT MEANS, SAID DRIVE SHAFT BEING OPERATIVELY CONNECTED TO ONE OF SAID FIRST AND SECOND MEANS AND SAID OUTPUT MEANS BEING OPERATIVELY COUPLED TO THE OTHER OF SAID FIRST AND SECOND MEANS.
References Cited (Backward Citations)
US2957372A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |