Brake release reversing transmission clutches
Abstract
Abstract A POWER INTERCEPTING AND LOW-SPEED ROTATING MECHANISM HAVING A TRANSMISSION WITH FLUID ACTIVATED FIRST AND SECOND CLUTCH MEANS AND A BRAKE MEANS AND HAVING A SELECTOR VALVE FOR SUPPLYING FLUID UNDER PRESSURE EITHER TO THE FIRST OR SECOND CLUTCH MEANS TO EFFECT ACTUATION THEREOF. THE SELECTOR VALVE IS MANUALLY OPERATED TO POSITION THE VALVE FOR ESTABLISING FORWARD OR REARWARD DRIVE ON THE OUTPUT SHAFT OF THE TRANSMISSION. THE MANUAL MEANS FOR OPERATING THE SELECTOR VALVE IS SPRING-LOADED AND MECHANICALLY CONNECTED WITH THE BRAKE SYSTEM. WHEN THE BRAKE IS EFFECTED, THE SELECTOR VALVE IS SHIFTED TOWARDS A NEUTRAL POSITION IRRESPECTIVE OF THE SELECTED POSITION THEREOF SO THAT THE CLUTCH MEANS MAY BE ENTIRELY OR PARTLY DECLUTCHED. UPON RELEASE OF THE BRAKE, THE SELECTOR VALVE RETURNS, BY FORCE OF THE SPRING, TO ITS SELECTED POSITION TO RECOVER THE DRIVE FORWARDLY OR REARWARDLY.
Inventors
- 👤 Takami Mori
Bibliographic Details
Claims Analysis
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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) | 1975-11-14 | 1976-05-15 | 1976-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-14 | 1980-05-15 | 1980-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-14 | 1984-05-15 | 1984-11-14 | $7700.00 | Window Closed / Lapsed |