Patent US3227004A successfully refreshed from Google Patents.
US3227004A
Expired / Lapsed
US
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Torque converter
Assignee: Glaenzer Spicer SA
•
Filing: 1963-03-06
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Granted: 1966-01-04
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Expires: 1983-03-06
Abstract
No abstract record available.
Inventors
- 👤 Orain Michel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:11
CPC Classifications
F; F16; F16H; F16H15/00; F16H15/48; F16H15/50; F16H15/52; F16H13/00; F16H13/06; Y; Y10; Y10S; Y10S475/00; Y10S475/904
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
261 words
A TORQUE VARIABLE CONVERTER COMPRISING AT LEAST ONE ROTATING FIRST DRIVE MEANS; AT LEAST ONE ROTATABLE SECOND DRIVEN MEANS; THIRD MEANS FOR ABSORBING THE DIFFERENCES BETWEEN THE TORQUES APPLIED TO THE FIRST AND SECOND MEANS; MEANS FOR TRANSFERRING POWER FROM SAID FIRST MEANS TO SAID SECOND MEANS, INCLUDING THREE SURFACE MEANS IN COOPERATIVE ASSOCIATION, ON DEFINED BY EACH OF SAID THREE MEANS; AT LEAST ONE OF SAID THREE SURFACE MEANS BEING AT LEAST ONE INNER SURFACE DEFINING A RADIUS OF CURVATURE AND ACTING AS AN ENDLESS ROLLING PATH FOR AT LEAST ONE OTHER OF SAID SURFACE MEANS DEFINING A SMALLER RADIUS, WHEREBY THE CORRESPONDING MEANS OF EACH OF SAID AT LEAST ONE OTHER SURFACE MEANS IS MADE TO ROTATE ABOUT ITSELF AND TO ROLL ABOUT THE SAID AT LEAST ONE INNER SURFACE UNDER THE INFLUENCE OF CENTRIFUGAL FORCE; EACH OF SAID THREE MEANS HAVING A SURFACE OF REVOLUTION, INCLUDING SAID AT LEAST ONE INNER SURFACE AND SAID AT LEAST ONE OTHER SURFACE MEANS, WHICH DEFINES AN AXIS, OF WHICH SURFACES AT LEAST TWO HAVE DIFFERENT RADII; TO OF SAID THREE MEANS, INCLUDING SAID SAID CORRESPONDING MEANS, ROTATING AND ROLLING ON ENDLESS PATHS, AT LEAST ONE OF THEM UNDER THE INFLUENCE OF CENTRIFUGAL FORCE; SAID SURFACES OF REVOLUTION BEING SUBSTANTIALLY CONICAL; AND SAID SECOND MEANS BEING AXIALLY MOVABLE AND INCLUDING MEANS RESPONSIVE TO THE TORQUE OF SAID FIRST MEANS FOR REGULATING THE AXIAL MOVEMENT OF SAID SECOND MEANS, WHEREBY THE TORQUE OF SAID SECOND MEANS IS VARIED WITH RESPECT TO THE TORQUE OF SAID FIRST MEANS IN ACCORDANCE WITH A PREDETEREMINED LAW.
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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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |