Actuating means for a brake booster
Abstract
Abstract A VALVE ACTUATING MECHANISM FOR VARYING THE APPLIED FORCE TRANSMITTED TO A CONTROL VALVE AND A POWER PISTON, WHICH INCLUDES A SUPPORT MEMBER FIXED TO THE POWER PISTON. A LEVER WITH ELONGATED SLOTS IN INTS ARMS IS PIVOTALLY PINNED TO THE SUPPORT BRACKET AND SECURED TO THE CONTROL VALVE BY PINS RETAINED IN A GROOVE. A FORCE TRANSMITTING MBEMBER CARRIED ON AN ACTIVATING ROD IS CONNECTED TO THE LEVER BY PIVOT PINS SLIDABLY RETAINED IN THE ELONGATED SLOTS. WHEN FORCE IS APPLIED BY THE ACTIVATING ROD, THE FORCE TRANSMITTING MEMBER WITH THE PIVOT PINS BEING FREE TO MOVE IN THE SLOTS OF THE LEVER ARM TRANSMIT A FORCE TO THE PISTON AND VALVE IN PORPORTION TO THE POSITION OF THE PIVOT PINS ON THE LEVER ARM. THUS, THE DISTANCE TRAVELED BY THE PISTON AND VALVE IN BEING ACTUATED WILL VARY IN PORPORTION TO THE DISTANCE TRAVELED BY THE FORCE TRANSMITTING MEMBER AND ITS LOCATION ON THE LEVER ARMS.
Inventors
- 👤 Cloyde E Saunders
- 👤 Richard W Euler
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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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) | 1974-12-06 | 1975-06-07 | 1975-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-06 | 1979-06-07 | 1979-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-06 | 1983-06-07 | 1983-12-07 | $7700.00 | Window Closed / Lapsed |