Releasable coupling for a helicopter tail rotor power transmissi

Details Releasable coupling for a helicopter tail rotor power transmissi Releasable coupling for a helicopter tail rotor power transmissi

1998-07-28

2000-04-18

Barefoot, Galen L.

Aeronautics and astronautics

Aircraft power plants

Transmission of power

244 1711, 244120, 464154, 464901, B64C 2700

Patent

active

060505214

ABSTRACT:
A releasable coupling for a power transmission line to a tail rotor of a foldable-tail-section helicopter, the coupling having a first and a second coupling assembly fitted respectively to the body and the tail of the helicopter, and which cooperate with each other when the tail is in the work position; the two coupling assemblies having respective transmission members in turn having respective radial toothings cooperating telescopically with each other, and respective conical male and female lead-in members which are brought into contact with each other prior to the respective toothings to guide connection of the transmission members; at least one of the transmission members being supported orientably.

REFERENCES:
patent: 3016721 (1962-01-01), Davis
patent: 3116896 (1964-01-01), Sigler et al.
patent: 3185409 (1965-05-01), Jacobsen
patent: 3981158 (1976-09-01), Watson
patent: 4560300 (1985-12-01), Vollmer et al.
patent: 4913681 (1990-04-01), Green
patent: 5186573 (1993-02-01), Flotow
patent: 5360476 (1994-11-01), Baldino

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