US3176528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual drives using endless flexible inextensible drive-transmitting members
Assignee: Harry Ferguson Research Ltd
•
Filing: 1963-04-09
•
Granted: 1965-04-06
•
Expires: 1983-04-09
Abstract
No abstract record available.
Inventors
- 👤 Hill Claude
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:41
CPC Classifications
F; F16; F16H; F16H7/00; F16H7/08; F16H7/10; F16H7/12; F16H7/1254; F16H7/1281; F16H2007/0876; F16H2007/088; F16H2700/00; F16H2700/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
AN IDLER ASSEMBLY FOR A DUAL DRIVE, THE ASSEMBLY INCLUDING A STATIONARY SHAFT, A PAIR OF SIDE-BY-SIDE COAIXAL PULLEYS ROTATABLY CARRIED BY SAID STATIONARY SHAFT, MEANS FOR DISPLACING THE EFFECTIVE AXIS OF ROTATION OF SAID PULLEYS RELATIVE TO SAID STATIONARY SHAFT INTO ANY POSITION WITHIN A PREDETERMINED AREA AROUND SAID SHAFT, AND MEANS FOR ANGULARLY ADJUSTING SAID PULLEYS RELATIVE TO ONE ANOTHER ABOUT THEIR AXIS OF ROTATION.
Claim 2
Dependent Claim
67 words
AN IDLER ASSEMBLY FOR A DUAL DRIVE, THE ASSEMBLY INCLUDING A STATIONARY SHAFT, A PAIR OF SIDE-BY-SIDE COAIXAL PULLEYS ROTATABLY CARRIED BY SAID STATIONARY SHAFT, MEANS FOR DISPLACING THE EFFECTIVE AXIS OF ROTATION OF SAID PULLEYS RELATIVE TO SAID STATIONARY SHAFT INTO ANY POSITION WITHIN A PREDETERMINED AREA AROUND SAID SHAFT, AND MEANS FOR ANGULARLY ADJUSTING SAID PULLEYS RELATIVE TO ONE ANOTHER ABOUT THEIR AXIS OF ROTATION.
References Cited (Backward Citations)
US1562392A
Cited
US1386089A
Cited
US1418461A
Cited
US2196479A
Cited
US2393993A
Cited
US2426960A
Cited
GB649859A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |