Method of fabricating a rotor hub of composite material

Details Method of fabricating a rotor hub of composite material Method of fabricating a rotor hub of composite material

1985-09-23

1988-10-11

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29428, 295272, 294191, 242 1, 242 702, 416134A, 416230, B21K 300, B65H 8100

Patent

active

047760761

ABSTRACT:
A method of fabricating a rotor hub of a fully articulated helicoper rotor system, the rotor hub including a central portion and at least two pairs of lug arms extending therefrom, according to which composite material is dispensed onto the mandrel and wound about a pair of lug arms and an associated part of the central portion of the mandrel to form a continuous closed loop of the composite material to a desired width and thickness. The winding is repeated for each pair of lug arms and its associated part of the central portion of the mandrel so that as many loops of composite material are formed as there are lug pairs. The finally assembled loops are cured to structuralize the loops.

REFERENCES:
patent: 3279278 (1966-10-01), Eldred
patent: 3603173 (1971-09-01), Brooks
patent: 4038885 (1977-08-01), Jonda
patent: 4293276 (1981-10-01), Brogdon et al.
patent: 4529139 (1985-07-01), Smith et al.
patent: 4556365 (1985-12-01), Mouille et al.

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