Anti-rotation lock for threaded connection

Details Anti-rotation lock for threaded connection Anti-rotation lock for threaded connection

1976-06-03

1978-05-30

Parsons, Jr., Marion

Joints and connections

Including ancillary means blocking disconnection of joint

Blocker is catch or key

403356, 151 2R, 151 19R, F16B 3936

Patent

active

040920801

ABSTRACT:
For adjustable length linear rods, such as the rods of linear actuators, employing threadedly connected internally threaded female and externally threaded male members, an antirotation lock is provided which includes a pair of semi-circular keys each including a projection fitting in a notch on the end face of the female member and an internal flat cooperating with an external flat on the male member. Each key includes a conical surface cooperating with a conical surface of a ring driven toward the female member by a nut threaded on the male member, thus axially to force the projections into the notches, and radially to force the flats of the keys against the flats of the male member.

REFERENCES:
patent: 1005227 (1911-10-01), Jones
patent: 1201651 (1916-10-01), Thompson
patent: 2821419 (1958-01-01), Walton
patent: 3122028 (1964-02-01), Hanke

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