US3088326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple pulley variable ratio transmission
Assignee: Emerson Electric Co
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Filing: 1960-08-04
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Granted: 1963-05-07
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Expires: 1980-08-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard C Woodward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:50
CPC Classifications
F; F16; F16H; F16H9/00; F16H9/02; F16H9/04; F16H9/12; F16H9/16; F16H2009/163
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
121 words
IN A VARIABLE RATIO TRANSMISSION MECHANISM; A SHAFT; A PAIR OF PULLEYS ON THE SHAFT FOR COOPERATION WITH A PAIR OF BELTS; EACH OF THE PULLEYS HAVING AN OUTER SECTION AND INNER SECTION; MEANS FOR CAUSING THE INNER SECTIONS TO ROTATE IN SYNCHRONISM; AT LEAST ONE OF SAID OUTER SECTIONS BEING MOVABLE ALONG THE LENGTH OF THE SHAFT; AND MEANS FOR SHIFTING SAID MOVABLE OUTER SECTION WHEREBY THE EFFECTIVE PULLEY DIAMETERS OF BOTH PULLEYS MAY BE VARIED; EACH OF SAID INNER PULLEY SECTIONS HAVING SUFFICIENT CLEARANCE ON THE SHAFT FOR AXIAL MOVEMENT ALONG THE SHAFT AND FOR SLIGHT TILTING MOVEMENT ABOUT THE SHAFT; SAID INNER PULLEY SECTIONS HAVING HUBS OPPOSED TO EACH OTHER FOR TRANSMITTING AXIAL MOVEMENTS OF THE PULLEY SECTIONS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |