US3293928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulsating torque converter
Assignee: Individual
•
Filing: 1964-08-25
•
Granted: 1966-12-27
•
Expires: 1984-08-25
Abstract
No abstract record available.
Inventors
- 👤 Paul J Heister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:38
CPC Classifications
F; F16; F16D; F16D5/00; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/1836; Y10T74/18368
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A TORQUE CONVERTER COMPRISING, A DRIVING A PULLEY ROTATABLE ABOUT AN AXIS AND INCLUDING A SKIRT PORTION SYMMETRICAL ABOUT SAID AXIS, AN INTERNAL GEAR FORMED ON THE INTERNAL SURFACE OF SAID SHIRT PORTION, SAID GEAR HAVING A PITCH LINE DEFINED BY THE ROTATION AT UNIFORM ANGULAR RATE ABOUT SAID AXIS OF A POINT, WHILE CYCLICALLY AND UNIFORMLY VARYING THE RADIAL DISTANCE OF SAID POINT FROM SAID AXIS BETWEEN PREDETERMINED MAXIMUM AND MINIMUM LIMITS, TO DEFINE A PLURALITY OF EQUIANGULARLY-SPACED LOBS, THE TEETH OF SAID GEAR BEING UNIFORMLY SPACED ALONG SAID PITCH LINE, AN INTEGRALLY CONNECTED HUB AND PLATE ROTATABLE ON SAID AXIS, A PLURALITY OF PINIONS, MEANS MOUNTING SAID PINIONS INDIVIDUALLY ON SAID PLATE IN UNIFORMLY-SPACED RELATION ABOUT SAID AXIS AND FOR GUIDED MOVEMENT TOWARD AND FROM SAID GEAR, AND MEANS OPERABLE TO URGE SAID PINIONS WITH SELECTIVE FORCE INTO ENGAGEMENT WITH SAID GEAR, SAID HAVING A BORE IN AND ALONG SAID AXIS AND
Claim 2
Dependent Claim
154 words
A TORQUE CONVERTER COMPRISING, A DRIVING A PULLEY ROTATABLE ABOUT AN AXIS AND INCLUDING A SKIRT PORTION SYMMETRICAL ABOUT SAID AXIS, AN INTERNAL GEAR FORMED ON THE INTERNAL SURFACE OF SAID SHIRT PORTION, SAID GEAR HAVING A PITCH LINE DEFINED BY THE ROTATION AT UNIFORM ANGULAR RATE ABOUT SAID AXIS OF A POINT, WHILE CYCLICALLY AND UNIFORMLY VARYING THE RADIAL DISTANCE OF SAID POINT FROM SAID AXIS BETWEEN PREDETERMINED MAXIMUM AND MINIMUM LIMITS, TO DEFINE A PLURALITY OF EQUIANGULARLY-SPACED LOBS, THE TEETH OF SAID GEAR BEING UNIFORMLY SPACED ALONG SAID PITCH LINE, AN INTEGRALLY CONNECTED HUB AND PLATE ROTATABLE ON SAID AXIS, A PLURALITY OF PINIONS, MEANS MOUNTING SAID PINIONS INDIVIDUALLY ON SAID PLATE IN UNIFORMLY-SPACED RELATION ABOUT SAID AXIS AND FOR GUIDED MOVEMENT TOWARD AND FROM SAID GEAR, AND MEANS OPERABLE TO URGE SAID PINIONS WITH SELECTIVE FORCE INTO ENGAGEMENT WITH SAID GEAR, SAID HAVING A BORE IN AND ALONG SAID AXIS AND
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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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |