US3237893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trimmer device for aircraft
Assignee: Hamburger Flugzeugbau GmbH
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Filing: 1964-12-23
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Granted: 1966-03-01
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Expires: 1984-12-23
Abstract
No abstract record available.
Inventors
- 👤 Tonnies Eduard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:24
CPC Classifications
B; B64; B64C; B64C13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
IN A TRIMMER DEVICE FOR AIRCRAFT WHEREIN AT LEAST ONE TRIMMER TAB IS SELECTIVELY OPERABLE BY MANUAL AND AUTOMATIC CONTROL MOVEMENTS, THE COMBINATION WITH SAID TRIMMER TAB OF: AT LEAST ONE MANUALLY OPERABLE ACTUATING ELEMENT; AT LEAST ONE AUTOMATICALLY OPERABLE ACTUATING ELEMENT; LINK MEANS OPERATIVELY CONNECTED WITH SAID TAB FOR DISPLACING SAME IN RESPONSE TO MOVEMENT TRANSMITTED TO SAID LINK MEANS; COUPLING MEANS INTERCONNECTING SAID ELEMENTS AND SAID LINK MEANS FOR SELECTIVELY TRANSMITTING MOVEMENT OF SAID ELEMENTS TO SAID LINK MEANS, ONE OF SAID ELEMENTS CONSTITUTING A SUBSTANTIALLY LINEARLY DISPLACEABLE NONROTATABLE MEMBER, THE OTHER OF SAID ELEMENTS INCLUDING A ROTATABLE MEMBER ALIGNED WITH SAID NONROTATABLE MEMBER AND THREADEDLY ENGAGING THE LATTER WHEREBY LINEAR MOVEMENT OF SAID NONROTATABLE MEMBER EFFECTS ROTATION OF SAID ROTATABLE MEMBER, SAID ROTATABLE MEMBER BEING COUPLED WITH SAID LINK MEANS FOR ROTATING SAME; AND HYDRAULIC MEANS AT SAID COUPLING MEANS FOR DISPLACING ONE OF SAID MEMBERS PARALLEL TO THE AXIS OF SCREW THREADS INTERCONNECTING SAID MEMBERS.
Claim 2
Dependent Claim
159 words
IN A TRIMMER DEVICE FOR AIRCRAFT WHEREIN AT LEAST ONE TRIMMER TAB IS SELECTIVELY OPERABLE BY MANUAL AND AUTOMATIC CONTROL MOVEMENTS, THE COMBINATION WITH SAID TRIMMER TAB OF: AT LEAST ONE MANUALLY OPERABLE ACTUATING ELEMENT; AT LEAST ONE AUTOMATICALLY OPERABLE ACTUATING ELEMENT; LINK MEANS OPERATIVELY CONNECTED WITH SAID TAB FOR DISPLACING SAME IN RESPONSE TO MOVEMENT TRANSMITTED TO SAID LINK MEANS; COUPLING MEANS INTERCONNECTING SAID ELEMENTS AND SAID LINK MEANS FOR SELECTIVELY TRANSMITTING MOVEMENT OF SAID ELEMENTS TO SAID LINK MEANS, ONE OF SAID ELEMENTS CONSTITUTING A SUBSTANTIALLY LINEARLY DISPLACEABLE NONROTATABLE MEMBER, THE OTHER OF SAID ELEMENTS INCLUDING A ROTATABLE MEMBER ALIGNED WITH SAID NONROTATABLE MEMBER AND THREADEDLY ENGAGING THE LATTER WHEREBY LINEAR MOVEMENT OF SAID NONROTATABLE MEMBER EFFECTS ROTATION OF SAID ROTATABLE MEMBER, SAID ROTATABLE MEMBER BEING COUPLED WITH SAID LINK MEANS FOR ROTATING SAME; AND HYDRAULIC MEANS AT SAID COUPLING MEANS FOR DISPLACING ONE OF SAID MEMBERS PARALLEL TO THE AXIS OF SCREW THREADS INTERCONNECTING SAID MEMBERS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |