Aeronautics and astronautics – Aircraft control
Patent
1979-11-09
1981-09-01
Barefoot, Galen L.
Aeronautics and astronautics
Aircraft control
74 86, 74 98, 92121, 91210, 244219, 244215, 280 95R, 310118, B64C 1328, F16H 3310
Patent
active
042867614
ABSTRACT:
An actuator (10) for effecting relative pivotal movement between two structures (12, 14) includes a bent beam member (18) having a first portion (20) rotatably secured to one structure and a second portion (22) supported for rotation and eccentric revolution by a housing (42) grounded to the other structure. Index gears (64, 66) assure eccentric revolution of the beam member (18) in an opposite direction in response to rotation of the bent beam member to produce relative pivotal movement between the beam members (20, 22). In the first two embodiments, the actuators (10, 120) incorporate internal hydraulic or electric drive arrangements. In other embodiments, the actuators (150, 172, 250, 270) employ various planetary type gear arrangements to achieve even greater mechanical advantage. In the last embodiment, both portions (304, 306) of the bent beam member (302) of the actuator (300) are driven and supported for eccentric revolution.
REFERENCES:
patent: 1456433 (1923-05-01), Glasser
patent: 2191872 (1940-02-01), Upton
patent: 2451061 (1948-10-01), Booth
patent: 2486478 (1949-11-01), Kennedy
patent: 2574376 (1951-11-01), Childs et al.
patent: 2954830 (1960-10-01), Gehres
patent: 3020060 (1962-02-01), Rosenkrands
patent: 3131610 (1964-05-01), Paulus
patent: 3269737 (1966-08-01), Freese
patent: 3546957 (1970-12-01), Adams
patent: 3687374 (1972-08-01), Nash
patent: 3944170 (1976-03-01), Musgrove
Barefoot Galen L.
Cate James M.
Vought Corporation
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