Patent US3173312A successfully refreshed from Google Patents.
US3173312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable speed drive mechanism
Assignee: Ford Motor Co
•
Filing: 1962-12-31
•
Granted: 1965-03-16
•
Expires: 1982-12-31
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Stockton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:25
CPC Classifications
F; F16; F16H; F16H15/00; F16H15/02; F16H15/04; F16H15/06; F16H15/32; F16H15/36; F16H15/38; F16H61/00; F16H61/66; F16H61/664
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A FRICTION DRIVE TRANSMISSION HAVING AXIALLY SPACED DRIVE AND DRIVEN TORUS MEMBERS ROTATABLE ABOUT A COMMON AXIS, A PLURALITY OF INTERENGAGED ROLLER ELEMENTS BETWEEN AND FRICTIONALLY ENGAGING SAID MEMBERS FOR TRANSMITTING AN INIFINITE NUMBER OF DRIVES THEREBETWEEN IN THE SAME DIRECTION OF ROTATION, RELEASABLE MEANS LOADING SAID MEMBERS AND ELEMENTS TOGETHER, MEANS FOR ADJUSTING THE POSITION OF SAID ROLLER ELEMENTS FOR VARYING THE DRIVE RATIO BETWEEN SAID MEMBERS, AND CLUTCH MEANS FOR CONNECTING SAID MEM-
Claim 2
Dependent Claim
75 words
A FRICTION DRIVE TRANSMISSION HAVING AXIALLY SPACED DRIVE AND DRIVEN TORUS MEMBERS ROTATABLE ABOUT A COMMON AXIS, A PLURALITY OF INTERENGAGED ROLLER ELEMENTS BETWEEN AND FRICTIONALLY ENGAGING SAID MEMBERS FOR TRANSMITTING AN INIFINITE NUMBER OF DRIVES THEREBETWEEN IN THE SAME DIRECTION OF ROTATION, RELEASABLE MEANS LOADING SAID MEMBERS AND ELEMENTS TOGETHER, MEANS FOR ADJUSTING THE POSITION OF SAID ROLLER ELEMENTS FOR VARYING THE DRIVE RATIO BETWEEN SAID MEMBERS, AND CLUTCH MEANS FOR CONNECTING SAID MEM-
References Cited (Backward Citations)
US2157065A
Cited
US2583790A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |