Selective actuating means for operating a valve manually or by motor
Abstract
Abstract VALVE ACTUATING APPARATUS WHICH IS NORMALLY OPERATED BY MOTOR MAY BE OPERATED MANUALLY BY DISENGAGING THE OUTPUT OF THE MOTOR FROM THE VALVE AND ENGAGING THE VALVE WITH A MANUALLY ROTATABLE SHAFT. ONE EMBODIMENT OF THE INVENTION UTILIZES A HEAR HAVING A SPLINED HUB AND A PLURALITY OF SPHERES WHICH ARE POSITIONABLE INTO AND OUT OF THE SPLINED HUB TO EFFECT MECHANICAL COUPLING BETWEEN THE MOTOR AND THE ASSOCIATED VALVE, WHILE A SECOND EMBODIMENT EMPLOYS A LEVER ARRANGEMENT FOR AXIAL DISPLACEMENT OF THE DRIVING PINION OF THE MOTOR FROM THE GEAR TRAIN DRIVEN THEREBY TO EFFECT DISENGAGEMENT OF THE MOTOR, THE LEVER ARRANGEMENT BEING ACTUATED BY LINEAR DISPLACEMENT OF A MANUALLY ROTATABLE SHAFT WHICH IS ALSO EMPLOYED FOR MANUAL OPERATION OF THE VALVE.
Inventors
- 👤 Malcolm D Clark
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) | 1974-03-22 | 1974-09-21 | 1975-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-22 | 1978-09-21 | 1979-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-22 | 1982-09-21 | 1983-03-23 | $7700.00 | Window Closed / Lapsed |