Helicopter blade and the like stand-off and folding device

Details Helicopter blade and the like stand-off and folding device Helicopter blade and the like stand-off and folding device

1986-12-01

1987-12-15

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Method of operation

416143, B64C 1128, B64C 2750

Patent

active

047129786

ABSTRACT:
The instant invention provide a helicopter blade and the like stand-off and folding device that permits a helicopter blades to be folded up to positions close to the tail of the aircraft during inclement weather, storage, transport, or maintenance, etcetera. During a fold or unfold a one-to-one correspondence between the blades and the main rotor head is maintained and critical adjustments of the rotor blade assembly are not disturbed.

REFERENCES:
patent: 2110443 (1938-03-01), Larsen et al.
patent: 2220109 (1940-11-01), Larsen
patent: 2405777 (1946-08-01), Buivid
patent: 2447118 (1948-08-01), Gluhareff
patent: 3101785 (1963-08-01), Leoni
patent: 3133715 (1964-05-01), Grunfelder
patent: 3135333 (1964-06-01), Cruz et al.
patent: 3158203 (1964-11-01), Grunfelder
patent: 4252504 (1981-02-01), Covington et al.
patent: 4268222 (1981-05-01), Bernard

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