Fail-safe improvement for a flexible shaft coupling

Details Fail-safe improvement for a flexible shaft coupling Fail-safe improvement for a flexible shaft coupling

1981-11-09

1984-07-03

Levy, Stuart S.

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Overload release coupling

464 99, 464160, F16D 310, F16D 379

Patent

active

044577346

ABSTRACT:
A fail-safe flexible coupling is provided for coupling shafts, typically in an aircraft, wherein the coupling includes a plug coupled to the first shaft and a socket coupled to the first shaft and a socket coupled to the second shaft. The plug is arranged and configured to loosely mate with the socket when the shafts are being rotated together by virtue of their primary coupling. When the primary coupling fails, the socket and plug engage each other securely though the shafts continue to be driven notwithstanding the failure of the primary coupling between them. The plug is particularly characterized by a screw portion and head portion. The screw portion is threaded into the first shaft. The coupling is secured to the first shaft by the head portion of the plug.

REFERENCES:
patent: 2188510 (1940-01-01), Lapsley
patent: 4219286 (1980-08-01), Lindenthal
patent: 4276758 (1981-07-01), Loman et al.

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