US3232369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential drive for automotive vehicles
Assignee: AMF Inc
•
Filing: 1964-06-01
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Granted: 1966-02-01
•
Expires: 1984-06-01
Abstract
No abstract record available.
Inventors
- 👤 Robert L Holloway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:53
CPC Classifications
B; B62; B62D; B62D21/00; B62D21/18; B62D21/183; B62D11/00; B62D11/02; B62D11/06; B62D11/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
IN A VEHICLE HAVING A CHASSIS, DRIVING MEANS AND STEERING MEANS, A CLUTCH DRIVE COMPRISING A SPROCKET SLEEVE HAVING INTERNAL RECESSES AT EACH END THEREOF, A SPROCKET ON SAID SLEEVE DRIVEN BY SAID DRIVING MEANS, A PAIR OF JACK SHAFTS ROTATABLY MOUNTED IN SAID SPROCKET SLEEVE IN ENDWISE ABUTTING RELATIONSHIP, EACH JACK SHAFT HAVING A SLEEVE MEMBER FIXEDLY MOUNTED THEREON, SAID JACK SHAFT SLEEVE MEMBERS, EACH HAVING AN INTERNAL RECESS ABUTTINGLY ALIGNED WITH ONE OF SAID RECESSES IN SAID SPROCKET SLEEVE FORMING THEREWITH A CLUTCH CHAMBER, PREHENSILE SPRINGS MOUNTED IN SAID CHAMBERS ABOUT SAID JACK SHAFTS AND OPERATIVELY CONNECTED WITH SAID SPROCKET SLEEVE, SAID JACK SHAFT SLEEVES BEING DRIVEN WHEN SAID SPRINGS ARE ROTATED IN A DIRECTION TO EXPAND AND SPRINGS AND MEANS MOUNTED ON THE ENDS OF EACH JACK SHAFT FOR TRANSMITTING MOTION TO A GROUND ENGAGING WHEEL.
Claim 2
Dependent Claim
139 words
IN A VEHICLE HAVING A CHASSIS, DRIVING MEANS AND STEERING MEANS, A CLUTCH DRIVE COMPRISING A SPROCKET SLEEVE HAVING INTERNAL RECESSES AT EACH END THEREOF, A SPROCKET ON SAID SLEEVE DRIVEN BY SAID DRIVING MEANS, A PAIR OF JACK SHAFTS ROTATABLY MOUNTED IN SAID SPROCKET SLEEVE IN ENDWISE ABUTTING RELATIONSHIP, EACH JACK SHAFT HAVING A SLEEVE MEMBER FIXEDLY MOUNTED THEREON, SAID JACK SHAFT SLEEVE MEMBERS, EACH HAVING AN INTERNAL RECESS ABUTTINGLY ALIGNED WITH ONE OF SAID RECESSES IN SAID SPROCKET SLEEVE FORMING THEREWITH A CLUTCH CHAMBER, PREHENSILE SPRINGS MOUNTED IN SAID CHAMBERS ABOUT SAID JACK SHAFTS AND OPERATIVELY CONNECTED WITH SAID SPROCKET SLEEVE, SAID JACK SHAFT SLEEVES BEING DRIVEN WHEN SAID SPRINGS ARE ROTATED IN A DIRECTION TO EXPAND AND SPRINGS AND MEANS MOUNTED ON THE ENDS OF EACH JACK SHAFT FOR TRANSMITTING MOTION TO A GROUND ENGAGING WHEEL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |