US3203278A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable speed friction drive transmission
Assignee: Ford Motor Co
•
Filing: 1963-01-02
•
Granted: 1965-08-31
•
Expires: 1983-01-02
Abstract
No abstract record available.
Inventors
- 👤 Norman T General
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:49
CPC Classifications
F; F16; F16H; F16H15/00; F16H15/48; F16H15/50; F16H47/00; F16H47/06; F16H47/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
A VARIABLE SPEED TRANSMISSION HAVING ROTATABLE INPUT AND OUTPUT SHAFTS, AND MEANS OPERATIVELY CONNECTING SAID SHAFTS, SAID MEANS INCLUDING A SELECTIVELY OPERABLE VARIABLE SPEED FRICTION DRIVE MECHANISM AND A GEARSET EACH HAVING A PLURALITY OF ROTATABLE MEMBERS, RELEASABLE MEANS IASING THE MEMBERS OF SAID MECHANISM TOGETHER RENDERING IT OPERABLE TO TRANSMIT A DRIVE THERETHROUGH, MEANS CONNECTING SAID INPUT SHAFT TO ONE OF THE MEMBERS OF SAID MECHANISM AND ONE OF THE MEMBERS OF SAID GEARSET OF SAID OUTPUT SHAFT, MEANS CONNECTING A PLURALITY OF SAID MEMBERS OF SAID MECHANISM AND SAID GEARSET TOGETHER, BRAKE MEANS OPERABLE FOR HOLDING A PLURALITY OF SAID CONNECTED MEMBERS STATIONARY TO CONDITION SAID MECHANISM AND GEARSET FOR ONE DRIVE RANGE OF OPERATION UPON OPERATION OF SAID MECHANISM PROVIDING AN INFINITE NUMBER OS SPEED RATIO CHANGES IN SAID RANGE,AND SELECTIVE LY ENGAGEABLE MEANS OPERATIVELY CONNECTING SAID INPUT SHAFT TO SAID ONE MEMBER OF SAID GEARSET BYPASSING SAID MECHANISM AND ESTABLISHING A REVERSE ROTATION OF SAID OUTPUT SHAFT WITH RESPECT TO THE DIRECTION OF ROTATION DURING ESTABLISHMENT OF SAID ONE DRIVE RANGE, THE ENGAGMENT OF SAID LATTER MEANS AND THE RENDERING OF SAID MECHANISM INOPERATBLE BY THE RELEASE OF SAID RELEASABLE MEANS PERMITTING SAID REVERSE ROTATION.
Claim 2
Dependent Claim
199 words
A VARIABLE SPEED TRANSMISSION HAVING ROTATABLE INPUT AND OUTPUT SHAFTS, AND MEANS OPERATIVELY CONNECTING SAID SHAFTS, SAID MEANS INCLUDING A SELECTIVELY OPERABLE VARIABLE SPEED FRICTION DRIVE MECHANISM AND A GEARSET EACH HAVING A PLURALITY OF ROTATABLE MEMBERS, RELEASABLE MEANS IASING THE MEMBERS OF SAID MECHANISM TOGETHER RENDERING IT OPERABLE TO TRANSMIT A DRIVE THERETHROUGH, MEANS CONNECTING SAID INPUT SHAFT TO ONE OF THE MEMBERS OF SAID MECHANISM AND ONE OF THE MEMBERS OF SAID GEARSET OF SAID OUTPUT SHAFT, MEANS CONNECTING A PLURALITY OF SAID MEMBERS OF SAID MECHANISM AND SAID GEARSET TOGETHER, BRAKE MEANS OPERABLE FOR HOLDING A PLURALITY OF SAID CONNECTED MEMBERS STATIONARY TO CONDITION SAID MECHANISM AND GEARSET FOR ONE DRIVE RANGE OF OPERATION UPON OPERATION OF SAID MECHANISM PROVIDING AN INFINITE NUMBER OS SPEED RATIO CHANGES IN SAID RANGE,AND SELECTIVE LY ENGAGEABLE MEANS OPERATIVELY CONNECTING SAID INPUT SHAFT TO SAID ONE MEMBER OF SAID GEARSET BYPASSING SAID MECHANISM AND ESTABLISHING A REVERSE ROTATION OF SAID OUTPUT SHAFT WITH RESPECT TO THE DIRECTION OF ROTATION DURING ESTABLISHMENT OF SAID ONE DRIVE RANGE, THE ENGAGMENT OF SAID LATTER MEANS AND THE RENDERING OF SAID MECHANISM INOPERATBLE BY THE RELEASE OF SAID RELEASABLE MEANS PERMITTING SAID REVERSE ROTATION.
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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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |