Patent US3263572A successfully refreshed from Google Patents.
US3263572A
Expired / Lapsed
US
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Failure correcting device
Assignee: General Electric Co
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Filing: 1963-10-17
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Granted: 1966-08-02
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Expires: 1983-10-17
Abstract
No abstract record available.
Inventors
- 👤 Luther D Sunderland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:49
CPC Classifications
G; G05; G05B; G05B9/00; G05B9/05; B; B64; B64C; B64C13/00; B64C13/24; F; F15; F15B; F15B18/00; Y; Y02; Y02T; Y02T50/00; Y02T50/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A FAILURE CORRECTING ACTUATOR WHEREIN A FINAL SUM OUTPUT ELEMENT IS DISPLACED RELATIVE TO A MOUNTING PLATFORM BY TWO ACTUATOR DEVICES, EACH HAVIN A HOUSING AND AN OUTPUT ELEMENT COMPRISING: (A) SAID FIRST AND SECOND ACTUATOR DEVICES RESPONSIVE TO CONTROL SIGNALS FOR DISPLACING THE DEVICE OUTPUT ELEMENT RELATIVE TO THE DEVICE HOUSING; (B) SAID FINAL OUTPUT MEMBER DIRECTLY COUPLED TO BOTH FO SAID DEVICE OUTPUT ELEMENTS; (C) A DIFFERENTIAL DEVICE HAVING A NORMAL SUM OUTPUT ELEMENT FIXED RELATIVE TO THE MOUNTING PLATFORM AND HAVING INPUT ELEMENTS COUPLED TO SAID ACTUATOR DEVICE HOUSINGS SO THAT SOME DIFFERENTIAL DISPLACEMENTS OF SAID DEVICE OUTPUT ELEMENTS ARE NORMALLY ALLOWED BY DISPLACEMENT OF SAID DEVICE HOUSINGS WHILE SAID FINAL OUTPUT MEMBER IS DISPLACED BY THE AVERAGE OF SAID DEVICE OUTPUT ELEMENT DISPLACEMENTS; (D) FAILURE CORRECTING MEANS RESPONSIVE TO SAID DEVICE OUTPUT ELEMENT DISPLACEMENTS FOR DETECTING ACTUATOR DEVICE FAILURES AND CORRECTING THEREFOR BY DISENGAGEMENT OF THE FAILED ACTUATOR DEVICE AND BY LOCKING SAID DIFFERENTIAL MECHANISM.
Claim 2
Dependent Claim
159 words
A FAILURE CORRECTING ACTUATOR WHEREIN A FINAL SUM OUTPUT ELEMENT IS DISPLACED RELATIVE TO A MOUNTING PLATFORM BY TWO ACTUATOR DEVICES, EACH HAVIN A HOUSING AND AN OUTPUT ELEMENT COMPRISING: (A) SAID FIRST AND SECOND ACTUATOR DEVICES RESPONSIVE TO CONTROL SIGNALS FOR DISPLACING THE DEVICE OUTPUT ELEMENT RELATIVE TO THE DEVICE HOUSING; (B) SAID FINAL OUTPUT MEMBER DIRECTLY COUPLED TO BOTH FO SAID DEVICE OUTPUT ELEMENTS; (C) A DIFFERENTIAL DEVICE HAVING A NORMAL SUM OUTPUT ELEMENT FIXED RELATIVE TO THE MOUNTING PLATFORM AND HAVING INPUT ELEMENTS COUPLED TO SAID ACTUATOR DEVICE HOUSINGS SO THAT SOME DIFFERENTIAL DISPLACEMENTS OF SAID DEVICE OUTPUT ELEMENTS ARE NORMALLY ALLOWED BY DISPLACEMENT OF SAID DEVICE HOUSINGS WHILE SAID FINAL OUTPUT MEMBER IS DISPLACED BY THE AVERAGE OF SAID DEVICE OUTPUT ELEMENT DISPLACEMENTS; (D) FAILURE CORRECTING MEANS RESPONSIVE TO SAID DEVICE OUTPUT ELEMENT DISPLACEMENTS FOR DETECTING ACTUATOR DEVICE FAILURES AND CORRECTING THEREFOR BY DISENGAGEMENT OF THE FAILED ACTUATOR DEVICE AND BY LOCKING SAID DIFFERENTIAL MECHANISM.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |