Patent FR2417293A1 successfully refreshed from Google Patents.
US3109282A
Expired / Lapsed
US
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Servomotor construction
Assignee: Bendix Corp
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Filing: 1959-08-21
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Granted: 1963-11-05
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Expires: 1979-08-21
Abstract
No abstract record available.
Inventors
- 👤 Earl R Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:38
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/24; B60T13/46; B60T13/52; B60T13/573; Y; Y10; Y10S; Y10S92/00; Y10S92/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A SERVOMOTOR COMPRISING: A BODY MEMBER; A POWER ACTUATED MEMBER IN SAID BODY MEMBER; A DRIVEN MEMBER; ONE OF SAID POWER ACTUATED AND DRIVEN MEMBERS HAVING A CHAMBER THEREIN INTO WHICH THE OTHER PROJECTS; ONE OF SAID POWER ACTUATED AND DRIVEN MEMBERS HAVING AN OPENING THEREIN COMMUNICATING WITH SAID CHAMBER; A CONTROL MEMBER FOR SAID SERVOMOTOR WHICH CONTROL MEMBER WHEN MOVED TOWARDS SAID CHAMBER CAUSES SAID POWER ACTUATED AND DRIVEN MEMBERS TO BE FORCED TOGETHER TENDING TO DECREASE THE VOLUME OF SAID CHAMBER, SAID CONTROL MEMBER HAVING A PORTION PROJECTING INTO SAID OPENING AND BEING CONSTRUCTED AND ARRANGED TO OPPOSE ACTUATING MOVEMENT OF SAID CONTROL MEMBER WHEN SAID PORTION IS FORCED OUTWARDLY OF SAID CHAMBER; AND A HYDRAULIC FLUID IN SAID CHAMBER FOR TRANSMITTING PRESSURE AGAINST SAID PORTION OF SAID CONTROL MEMBER, WHEREBY ACTUATING FORCE OF SAID CONTROL MEMBER IS OPPOSED BY A FORCE GENERALLY PROPORTIONAL TO THE FORCE BEING TRANSMITTED BY SAID DRIVEN MEMBER.
Claim 2
Dependent Claim
155 words
A SERVOMOTOR COMPRISING: A BODY MEMBER; A POWER ACTUATED MEMBER IN SAID BODY MEMBER; A DRIVEN MEMBER; ONE OF SAID POWER ACTUATED AND DRIVEN MEMBERS HAVING A CHAMBER THEREIN INTO WHICH THE OTHER PROJECTS; ONE OF SAID POWER ACTUATED AND DRIVEN MEMBERS HAVING AN OPENING THEREIN COMMUNICATING WITH SAID CHAMBER; A CONTROL MEMBER FOR SAID SERVOMOTOR WHICH CONTROL MEMBER WHEN MOVED TOWARDS SAID CHAMBER CAUSES SAID POWER ACTUATED AND DRIVEN MEMBERS TO BE FORCED TOGETHER TENDING TO DECREASE THE VOLUME OF SAID CHAMBER, SAID CONTROL MEMBER HAVING A PORTION PROJECTING INTO SAID OPENING AND BEING CONSTRUCTED AND ARRANGED TO OPPOSE ACTUATING MOVEMENT OF SAID CONTROL MEMBER WHEN SAID PORTION IS FORCED OUTWARDLY OF SAID CHAMBER; AND A HYDRAULIC FLUID IN SAID CHAMBER FOR TRANSMITTING PRESSURE AGAINST SAID PORTION OF SAID CONTROL MEMBER, WHEREBY ACTUATING FORCE OF SAID CONTROL MEMBER IS OPPOSED BY A FORCE GENERALLY PROPORTIONAL TO THE FORCE BEING TRANSMITTED BY SAID DRIVEN MEMBER.
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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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |