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US3173338A
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Servomotor actuating means
Assignee: Bendix Corp
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Filing: 1964-02-20
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Granted: 1965-03-16
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Expires: 1984-02-20
Abstract
No abstract record available.
Inventors
- 👤 Harold B Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:00
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/24; B60T13/241; B60T13/242; B60T13/245; B60T13/244
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
IN AN ACTUATING SYSTEM FOR A SERVOMOTOR HAVING A POWER DRIVEN MOVABLE STRUCTURE ON WHICH A CONTROL MEMBER FOR THE SERVOMOTOR IS MOUNTED IN SUCH MANNER THAT MOVEMENT OF SAID CONTROL MEMBER IN ONE DIRECTION CAUSES SAID POWER DRIVEN STRUCTURE TO MOVE IN SAID DIRECTION AND THEREBY CAUSE THE CONTROL MEMBER TO FOLLOW THE ACTUATING MOVEMENT OF SAID POWER DRIVEN STRUCTURE; A SUPPORT, TELESCOPIC MEANS OPERATIVELY CONNECTED BETWEEN SAID POWER DRIVEN STRUCTURE AND SAID SUPPORT, SAID TELESCOPIC MEANS HAVING TELESCOPING PARTS FORMING AN EXPANSIBLE HYDRAULIC CHAMBER WHICH IS EXPANDED DURING MOVEMENT OF SAID POWER DRIVEN MEMBER IN SAID ONE DIRECTION, PRIMARY MEANS FOR DEVELOPING A PRIMARY HYDRAULIC PRESSURE SIGNAL, PRESSURE RESPONSIVE MEANS COMMUNICATING WITH SAID PRIMARY MEANS AND CONNECTED TO SAID CONTROL MEMBER FOR ACTUATING SAID CONTROL MEMBER IN ONE DIRECTION, A RESERVOIR OF HYDRAULIC FLUID, FLOW COMMUNICATING MEANS FOR COMMUNICATING SAID RESERVOIR TO SAID EXPANSIBLE CHAMBER, AND VALVE STRUCTURE FOR CLOSING OFF SAID FLOW COMMUNICATING MEANS AND THEREAFTER COMMUNICATING SAID PRIMARY MEANS TO SAID EXPANSIBLE CHAMBER.
Claim 2
Dependent Claim
167 words
IN AN ACTUATING SYSTEM FOR A SERVOMOTOR HAVING A POWER DRIVEN MOVABLE STRUCTURE ON WHICH A CONTROL MEMBER FOR THE SERVOMOTOR IS MOUNTED IN SUCH MANNER THAT MOVEMENT OF SAID CONTROL MEMBER IN ONE DIRECTION CAUSES SAID POWER DRIVEN STRUCTURE TO MOVE IN SAID DIRECTION AND THEREBY CAUSE THE CONTROL MEMBER TO FOLLOW THE ACTUATING MOVEMENT OF SAID POWER DRIVEN STRUCTURE; A SUPPORT, TELESCOPIC MEANS OPERATIVELY CONNECTED BETWEEN SAID POWER DRIVEN STRUCTURE AND SAID SUPPORT, SAID TELESCOPIC MEANS HAVING TELESCOPING PARTS FORMING AN EXPANSIBLE HYDRAULIC CHAMBER WHICH IS EXPANDED DURING MOVEMENT OF SAID POWER DRIVEN MEMBER IN SAID ONE DIRECTION, PRIMARY MEANS FOR DEVELOPING A PRIMARY HYDRAULIC PRESSURE SIGNAL, PRESSURE RESPONSIVE MEANS COMMUNICATING WITH SAID PRIMARY MEANS AND CONNECTED TO SAID CONTROL MEMBER FOR ACTUATING SAID CONTROL MEMBER IN ONE DIRECTION, A RESERVOIR OF HYDRAULIC FLUID, FLOW COMMUNICATING MEANS FOR COMMUNICATING SAID RESERVOIR TO SAID EXPANSIBLE CHAMBER, AND VALVE STRUCTURE FOR CLOSING OFF SAID FLOW COMMUNICATING MEANS AND THEREAFTER COMMUNICATING SAID PRIMARY MEANS TO SAID EXPANSIBLE CHAMBER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |