Patent US3131582A successfully refreshed from Google Patents.
US3131582A
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Transmission mechanism
Assignee: Borg Warner Corp
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Filing: 1961-02-20
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Granted: 1964-05-05
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Expires: 1981-02-20
Abstract
No abstract record available.
Inventors
- 👤 Donald W Kelbel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:03
CPC Classifications
F; F16; F16D; F16D25/00; F16D25/02; F16H; F16H57/00; F16H57/04; F16H57/0434; F16H57/0446; F16H61/00; F16H61/0021; F16H2061/0037; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19991
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IN A TRANSMISSION MECHANISM COMPRISING AN INPUT SHAFT AND AN OUTPUT SHAFT, PLANETARY GEARING AND A PLURALITY OF SELECTIVELY ENGAGEABLE FRICTION ELEMENTS FOR PROVIDING A PLURALITY OF DRIVE RATIOS THROUGH THE TRANSMISSION, A FLUID PRESSURE ACTUATED SERVOMOTOR FOR EACH OF SAID FRICTION ENGAGING ELEMENTS, AND A SOURCE OF FLUID PRESSURE FOR SUPPLYING FLUID TO SAID SERVOMOTORS, AND FOR LUBRICATING THE TRANSMISSION, SAID SOURCE COMPRISING A PUMP HAVING A ROTATABLE PUMPING ELEMENT CONNECTED TO SAID INPUT SHAFT, MEANS DEFINING A LUBRICATING PATH THROUGH SAID INPUT SHAFT, AND MEANS DEFINING A SINGLE RADIAL BORE
Claim 2
Dependent Claim
92 words
IN A TRANSMISSION MECHANISM COMPRISING AN INPUT SHAFT AND AN OUTPUT SHAFT, PLANETARY GEARING AND A PLURALITY OF SELECTIVELY ENGAGEABLE FRICTION ELEMENTS FOR PROVIDING A PLURALITY OF DRIVE RATIOS THROUGH THE TRANSMISSION, A FLUID PRESSURE ACTUATED SERVOMOTOR FOR EACH OF SAID FRICTION ENGAGING ELEMENTS, AND A SOURCE OF FLUID PRESSURE FOR SUPPLYING FLUID TO SAID SERVOMOTORS, AND FOR LUBRICATING THE TRANSMISSION, SAID SOURCE COMPRISING A PUMP HAVING A ROTATABLE PUMPING ELEMENT CONNECTED TO SAID INPUT SHAFT, MEANS DEFINING A LUBRICATING PATH THROUGH SAID INPUT SHAFT, AND MEANS DEFINING A SINGLE RADIAL BORE
References Cited (Backward Citations)
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Cited
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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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |