US3378217A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trim disconnect device for an aircraft control system
Assignee: Bendix Corp
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Filing: 1966-09-02
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Granted: 1968-04-16
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Expires: 1986-09-02
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Diani
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:18
CPC Classifications
B; B64; B64C; B64C13/00; B64C13/02; B64C13/04; B64C13/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
FOR AN AIRCRAFT HAVING A CONTROL SURFACE EQUIPPED WITH A TRIM TAB, A CONTROL SYSTEM COMPRISING: MEANS FOR PROVIDING AN ERROR SIGNAL; FIRST MEANS CONNECTED TO THE ERROR SIGNAL MEANS FOR AUTOMATICALLY CONTROLLING THE CONTROL SURFACE IN RESPONSE TO THE ERROR SIGNAL; SECOND MEANS CONNECTED TO THE ERROR SIGNAL MEANS FOR AUTOMATICALLY CONTROLLING THE TRIM TAB IN RESPONSE TO THE ERROR SIGNAL; PILOT OPERATED MEANS FOR CONTROLLING THE CONTROL SURFACE IN A SENSE SO AS TO OVERRIDE THE CONTROL RENDERED THEREUPON BY THE FIRST MEANS, AND FOR PROVIDING A SIGNAL WHEN SAID OVERRIDING CONTROL IS EFFECTED; AND MEANS CONNECTED TO THE PILOT OPERATED MEANS AND CONNECTED TO THE SECOND MEANS AND RESPONSIVE TO THE SIGNAL PROVIDED BY THE PILOT OPERATED MEANS FOR RENDERING THE SECOND MEANS INEFFECTIVE TO CONTROL THE TRIM TAB WITHOUT DISCONNECTING THE FIRST MEANS.
Claim 2
Dependent Claim
137 words
FOR AN AIRCRAFT HAVING A CONTROL SURFACE EQUIPPED WITH A TRIM TAB, A CONTROL SYSTEM COMPRISING: MEANS FOR PROVIDING AN ERROR SIGNAL; FIRST MEANS CONNECTED TO THE ERROR SIGNAL MEANS FOR AUTOMATICALLY CONTROLLING THE CONTROL SURFACE IN RESPONSE TO THE ERROR SIGNAL; SECOND MEANS CONNECTED TO THE ERROR SIGNAL MEANS FOR AUTOMATICALLY CONTROLLING THE TRIM TAB IN RESPONSE TO THE ERROR SIGNAL; PILOT OPERATED MEANS FOR CONTROLLING THE CONTROL SURFACE IN A SENSE SO AS TO OVERRIDE THE CONTROL RENDERED THEREUPON BY THE FIRST MEANS, AND FOR PROVIDING A SIGNAL WHEN SAID OVERRIDING CONTROL IS EFFECTED; AND MEANS CONNECTED TO THE PILOT OPERATED MEANS AND CONNECTED TO THE SECOND MEANS AND RESPONSIVE TO THE SIGNAL PROVIDED BY THE PILOT OPERATED MEANS FOR RENDERING THE SECOND MEANS INEFFECTIVE TO CONTROL THE TRIM TAB WITHOUT DISCONNECTING THE FIRST MEANS.
References Cited (Backward Citations)
US2623717A
Cited
US3193219A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |