Patent US3204476A successfully refreshed from Google Patents.
US3204476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable speed transmission
Assignee: Individual
•
Filing: 1960-04-05
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Granted: 1965-09-07
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Expires: 1980-04-05
Abstract
No abstract record available.
Inventors
- 👤 William S Rouverol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:44
CPC Classifications
F; F16; F16H; F16H37/00; F16H37/02; F16H37/06; F16H37/08; F16H37/0833; F16H37/084; F16H15/00; F16H15/02; F16H15/04; F16H15/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN A POWER TRANSMISSION, A FIRST ROTATABLE MEMBER HAVING AT LEAST ONE SUBSTANTIALLY SMOOTH SURFACE, ALL RADIAL PROFILES OF WHICH MOVE WITHIN SAID SURFACE DURING THE ROTATION OF SAID MEMBER, A SECOND ROTATABLE MEMBER HAVING ITS AXIS OF ROTATION COPLANAR WITH THE AXIS OF ROTATION OF SAID FIRST MEMBER AND HAVING AT LEAST ONE SUBSTANTIALLY SMOOTH SURFACE CONTAINING A CIRCLE EQUIDISTANT FROM SAID FIRST SURFACE, AT LEAST ONE ROLLING ELEMENT FRICTIONALLY ENGAGED BY SAID TWO SURFACES, AND A THIRD MEMBER CONSTRAINING SAID ROLLING ELEMENT TO MOVE IN A CIRCULAR PATH ABOUT AN AXIS LYING SUBSTANTIALLY IN THE PLANE OF THE AXES OF SAID FIRST TWO MEMBERS.
Claim 2
Dependent Claim
106 words
IN A POWER TRANSMISSION, A FIRST ROTATABLE MEMBER HAVING AT LEAST ONE SUBSTANTIALLY SMOOTH SURFACE, ALL RADIAL PROFILES OF WHICH MOVE WITHIN SAID SURFACE DURING THE ROTATION OF SAID MEMBER, A SECOND ROTATABLE MEMBER HAVING ITS AXIS OF ROTATION COPLANAR WITH THE AXIS OF ROTATION OF SAID FIRST MEMBER AND HAVING AT LEAST ONE SUBSTANTIALLY SMOOTH SURFACE CONTAINING A CIRCLE EQUIDISTANT FROM SAID FIRST SURFACE, AT LEAST ONE ROLLING ELEMENT FRICTIONALLY ENGAGED BY SAID TWO SURFACES, AND A THIRD MEMBER CONSTRAINING SAID ROLLING ELEMENT TO MOVE IN A CIRCULAR PATH ABOUT AN AXIS LYING SUBSTANTIALLY IN THE PLANE OF THE AXES OF SAID FIRST TWO MEMBERS.
References Cited (Backward Citations)
FR467198A
Cited
US1738965A
Cited
US1814165A
Cited
FR997276A
Cited
CH306740A
Cited
US2820367A
Cited
FR1151330A
Cited
US2951384A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |