Patent US3293945A successfully refreshed from Google Patents.
US3293945A
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Infinitely variable speed transmission
Assignee: Ford Motor Co
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Filing: 1963-12-30
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Granted: 1966-12-27
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Expires: 1983-12-30
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Stockton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:19
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; F16H47/08; F16H15/00; F16H15/48; F16H15/50; F16H15/506; F16H47/065; F16H47/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A TRANSMISSION HAVING ROTATABLE POWER INPUT AND OUTPUT SHAFTS, AND A PLURALITY OF INFINITELY VARIABLE SPEED DRIVE UNITS CONNECTING SAID SHAFTS PROVIDING A PLURALITY OF DRIVES THEREBETWEEN INCLUDING A ROLLING ELEMENT FRICTION DRIVE UNIT AND A HYDRAULIC TORQUE CONVERTER, SAID DRIVE UNIT HAVING INNER AND OUTER RACES AND A ROLLING ELEMENT CARRIER, SAID CONVERTER HAVING PUMP AND TURBINE AND STATOR MEMBERS, MEANS CONNECTING ONE OF SAID RACES TO SAID INPUT SHAFT AND SAID CARRIER TO SAID PUMP MEMBER, MEANS CONNECTING SAID TURBINE MEMBER TO SAID OUTPUT SHAFT, AND MEANS FOR HOLDING THE OTHER FRICTION DRIVE RACE AND SAID STATOR MEMBER STATIONARY TO CONDITION SAID CONVERTER TO BE UNDERDRIVEN BY SAID CARRIER AND TO PROVIDE A FURTHER UNDERDRIVE OF SAID OUTPUT SHAFT BY SAID TURBINE.
Claim 2
Dependent Claim
124 words
A TRANSMISSION HAVING ROTATABLE POWER INPUT AND OUTPUT SHAFTS, AND A PLURALITY OF INFINITELY VARIABLE SPEED DRIVE UNITS CONNECTING SAID SHAFTS PROVIDING A PLURALITY OF DRIVES THEREBETWEEN INCLUDING A ROLLING ELEMENT FRICTION DRIVE UNIT AND A HYDRAULIC TORQUE CONVERTER, SAID DRIVE UNIT HAVING INNER AND OUTER RACES AND A ROLLING ELEMENT CARRIER, SAID CONVERTER HAVING PUMP AND TURBINE AND STATOR MEMBERS, MEANS CONNECTING ONE OF SAID RACES TO SAID INPUT SHAFT AND SAID CARRIER TO SAID PUMP MEMBER, MEANS CONNECTING SAID TURBINE MEMBER TO SAID OUTPUT SHAFT, AND MEANS FOR HOLDING THE OTHER FRICTION DRIVE RACE AND SAID STATOR MEMBER STATIONARY TO CONDITION SAID CONVERTER TO BE UNDERDRIVEN BY SAID CARRIER AND TO PROVIDE A FURTHER UNDERDRIVE OF SAID OUTPUT SHAFT BY SAID TURBINE.
References Cited (Backward Citations)
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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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |