Aeronautics and astronautics – Aircraft – heavier-than-air – Airplane and helicopter sustained
Patent
1996-05-23
1999-02-09
Grant, William
Aeronautics and astronautics
Aircraft, heavier-than-air
Airplane and helicopter sustained
244 6, 244 124, 244 56, 244 66, 416143, B64C 2728, B64C 2750
Patent
active
058683518
ABSTRACT:
Rotor blade stowing system for stowing rotor blades that conserves storage space without adding significant weight or cost to the aircraft. The system includes a rotary actuator disposed on a blade grip member. A rotor blade is pivotally connected to the blade grip member. The rotary actuator is operably coupled to a blade pivoting cam and a locking cam. The system includes a cam follower linkage which has a first end which includes a blade pivoting cam follower and a locking cam follower and a second end. The blade pivoting cam follower follows the blade pivoting cam. The locking cam follower follows the locking cam. The second end of the cam follower linkage is coupled to the blade grip member. The system includes a shaft rotatably coupled to the blade grip member, a locking linkage bell crank operably coupled to the shaft, a delay cam coupled to the blade grip member, and a locking linkage idler operably coupled to the locking linkage bell crank. The locking linkage idler includes a delay cam follower that follows the delay cam. The system includes a locking linkage which has a first end coupled to the locking cam and a second end coupled to the locking linkage idler.
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Baskin Charles L.
Covington Cecil E.
Shimek Glenn
Stamps Frank B.
Zierer Joe J.
Bell Helicopter Textron Inc.
Grant William
Hunn Melvin A.
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