Patent US3244117A successfully refreshed from Google Patents.
US3244117A
Expired / Lapsed
US
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Parallel drive traction system with differential speed mechanism
Assignee: Westinghouse Electric Corp
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Filing: 1964-09-30
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Granted: 1966-04-05
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Expires: 1984-09-30
Abstract
No abstract record available.
Inventors
- 👤 Charles A Yuhas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:22
CPC Classifications
B; B61; B61C; B61C9/00; B61C9/38; B61C9/48; B60; B60B; B60B35/00; B60B35/12; B60B35/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A DIFFERENTIAL SPEED TRACTION DRIVE SYSTEM FOR A TRACTION TRUCK, SAID SYSTEM COMPRISING AXLE MEANS AND TRACTION MOTOR AND GEARING MEANS HAVING ITS DRIVE POWER AXIS OF ROTATION SUBSTANTIALLY PARALLEL WITH SAID AXLE MEANS, A PAIR OF WHEELS AT OPPOSITE ENDS OF SAID AXLE MEANS, A FRAME ON WHICH SAID MOTOR AND GEARING MEANS ARE SUPPORTED, A DIFFERENTIAL MECHANISM OPERATIVELY CONNECTED WITH SAID AXLE MEANS FOR EFFECTING DIFFERENT SPEEDS FOR SAID WHEELS UNDER PREDETERMINED CONDITIONS, MEANS COUPLING SAID MOTOR AND GEARING MEANS TO SAID DIFFERENTIAL MECHANISM, MEANS FOR SUPPORTING SAID FRAME AND SAID DIFFERENTIAL MECHANISM IN RELATION TO SAID WHEELS, SAID SUPPORTING MEANS COMPRISING A HUB OF EACH WHEEL AND AN END TUBULAR SUPPORT MEMBER JOURNALED WITHIN EACH WHEEL HUB, SAID DIFFERENTIAL MECHANISM HAVING FIXED OUTER HOUSING MEANS, TUBULAR MEANS SECURED TO SAID FIXED OUTER HOUSING MEANS OF SAID DIFFERENTIAL MECHANISM AND EXTEND-
Claim 2
Dependent Claim
143 words
A DIFFERENTIAL SPEED TRACTION DRIVE SYSTEM FOR A TRACTION TRUCK, SAID SYSTEM COMPRISING AXLE MEANS AND TRACTION MOTOR AND GEARING MEANS HAVING ITS DRIVE POWER AXIS OF ROTATION SUBSTANTIALLY PARALLEL WITH SAID AXLE MEANS, A PAIR OF WHEELS AT OPPOSITE ENDS OF SAID AXLE MEANS, A FRAME ON WHICH SAID MOTOR AND GEARING MEANS ARE SUPPORTED, A DIFFERENTIAL MECHANISM OPERATIVELY CONNECTED WITH SAID AXLE MEANS FOR EFFECTING DIFFERENT SPEEDS FOR SAID WHEELS UNDER PREDETERMINED CONDITIONS, MEANS COUPLING SAID MOTOR AND GEARING MEANS TO SAID DIFFERENTIAL MECHANISM, MEANS FOR SUPPORTING SAID FRAME AND SAID DIFFERENTIAL MECHANISM IN RELATION TO SAID WHEELS, SAID SUPPORTING MEANS COMPRISING A HUB OF EACH WHEEL AND AN END TUBULAR SUPPORT MEMBER JOURNALED WITHIN EACH WHEEL HUB, SAID DIFFERENTIAL MECHANISM HAVING FIXED OUTER HOUSING MEANS, TUBULAR MEANS SECURED TO SAID FIXED OUTER HOUSING MEANS OF SAID DIFFERENTIAL MECHANISM AND EXTEND-
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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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |