Propeller nut

Details Propeller nut Propeller nut

1977-12-23

1979-11-27

Holko, Thomas J.

Brushing, scrubbing, and general cleaning

85 35, 151 21B, 416245A, F16B 39284, B63H 506

Patent

active

041756053

ABSTRACT:
A self-locking propeller nut, suitable for marine drive trains which involve a great deal of vibration, is disclosed. The nut, which has a nose-cone shaped exterior similar to conventional propeller nuts, is molded integrally of semi-rigid plastic. At its center is a threaded bore wherein the thread diameter tapers narrower into the nut and wherein the thread spacing is slightly different from that of the propeller shaft end. The threaded bore lies in an inner cylindrical body which is recessed and connected to the housing in such a way as to further promote retention of the nut on the shaft.

REFERENCES:
patent: 1447056 (1923-02-01), Bates
patent: 1920880 (1933-08-01), Parker
patent: 2255384 (1941-09-01), Hood
patent: 2270575 (1942-01-01), Bahr
patent: 2337030 (1943-12-01), Cole
patent: 2353431 (1944-07-01), Arden
patent: 3030997 (1962-04-01), Collins
patent: 3388627 (1968-06-01), Tinnerman
patent: 3468212 (1969-09-01), Tinnerman
patent: 3819294 (1974-06-01), Honnold et al.
patent: 3901627 (1975-08-01), Sullivan

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