Apparatus and method for folding and locking rotor blades

Details Apparatus and method for folding and locking rotor blades Apparatus and method for folding and locking rotor blades

1989-11-20

1991-07-16

Peters, Jr., Joseph F.

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

416142, 416153, B64C 1128

Patent

active

050318586

ABSTRACT:
Folding and folding locking apparatus for rotor blades that includes a power actuator for rotating the blades and locking means for securing the blade in the deployed position and securing the blades against rotation of the pitch angle during and when the blades are folded. The apparatus also provides for the complete fairing of the blades at their connections with the rotary drive hub and provides a powered door in the fairing that can be opened and closed to permit the quick and easy folding and redeployment of the blades.

REFERENCES:
patent: 2385464 (1945-09-01), Peterson
patent: 3097701 (1963-07-01), Buivid
patent: 3187818 (1965-06-01), Barrett et al.
patent: 3247907 (1966-02-01), Mosinskis
patent: 3389878 (1968-06-01), Westrup
patent: 3749515 (1973-07-01), Covington et al.
patent: 4436483 (1984-03-01), Watson
patent: 4691878 (1987-09-01), Vaughan
patent: 4738592 (1988-04-01), Cavanaugh

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