Patent US3146973A successfully refreshed from Google Patents.
US3146973A
Expired / Lapsed
US
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Mechanism for actuating a movable flight control surface
Assignee: Boelkow Entwicklungen KG
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Filing: 1961-12-22
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Granted: 1964-09-01
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Expires: 1981-12-22
Abstract
No abstract record available.
Inventors
- 👤 Haase Ernst-Gunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:09
CPC Classifications
B; B64; B64C; B64C9/00; B64C9/02; Y; Y10; Y10S; Y10S74/00; Y10S74/10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18088; Y10T74/18128; Y10T74/18136; Y10T74/18856; Y10T74/20; Y10T74/20396; Y10T74/20402
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A TRANSMISSION FOR THE CONTROL OF A FLAP IN RESPECT TO A FIXED AIR FLOW SURFACE SUCH AS A WING, COMPRISING AN AXLE ADAPTED TO BE ROTATABLY SUPPORTED AT THE END OF SAID WING AND CARRYING SAID FLAP, A GEAR SECURED TO SAID AXLE, A CONTROL GEAR ROTATABLY MOUNTED ON SAID WING, A GEAR BELT CONNECTED BETWEEN SAID CONTROL GEAR AND SAID GEAR, A SECOND AXLE ROTATABLY CARRIED AT THE END OF SAID FLAP, A SECOND FLAP CONNECTED TO SAID SECOND AXLE FOR ROTATION THEREWITH, A SECOND GEAR SECURED TO SAID SECOND AXLE, AN AXLE GEAR CONCENTRIC WITH AND SECURED TO SAID FIRST AXLE, AND A SECOND GEAR BELT CONNECTED BETWEEN SAID AXLE GEAR AND SAID SECOND GEAR, SAID SECOND GEAR BELT HAVING INTERNAL TEETH AND BEING CROSSED BETWEEN SAID AXLE GEAR AND SAID SECOND GEAR, WHEREIN SAID SECOND FLAP IS MOVED IN THE SAME DIRECTION AS SAID FIRST MENTIONED FLAP.
Claim 2
Dependent Claim
151 words
A TRANSMISSION FOR THE CONTROL OF A FLAP IN RESPECT TO A FIXED AIR FLOW SURFACE SUCH AS A WING, COMPRISING AN AXLE ADAPTED TO BE ROTATABLY SUPPORTED AT THE END OF SAID WING AND CARRYING SAID FLAP, A GEAR SECURED TO SAID AXLE, A CONTROL GEAR ROTATABLY MOUNTED ON SAID WING, A GEAR BELT CONNECTED BETWEEN SAID CONTROL GEAR AND SAID GEAR, A SECOND AXLE ROTATABLY CARRIED AT THE END OF SAID FLAP, A SECOND FLAP CONNECTED TO SAID SECOND AXLE FOR ROTATION THEREWITH, A SECOND GEAR SECURED TO SAID SECOND AXLE, AN AXLE GEAR CONCENTRIC WITH AND SECURED TO SAID FIRST AXLE, AND A SECOND GEAR BELT CONNECTED BETWEEN SAID AXLE GEAR AND SAID SECOND GEAR, SAID SECOND GEAR BELT HAVING INTERNAL TEETH AND BEING CROSSED BETWEEN SAID AXLE GEAR AND SAID SECOND GEAR, WHEREIN SAID SECOND FLAP IS MOVED IN THE SAME DIRECTION AS SAID FIRST MENTIONED FLAP.
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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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |