Propeller shaft anodic protector kit

Details Propeller shaft anodic protector kit Propeller shaft anodic protector kit

1976-08-23

1978-03-07

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Support mounting, carrier or fairing structure

Spinner or fairwater cap

416244B, B63H 120

Patent

active

040777421

ABSTRACT:
A protector kit for the outboard end of a marine propeller shaft including a reusable brass fastener sandwiched between a sacrificial anodic zinc nose piece and the end of the shaft. The brass fastener serves as a jam nut for the propeller and includes a deformable member and a set screw cooperating with one another to hold a propeller and the nose piece assembled to the shaft. The cup-shaped nose piece is formed solely of zinc and its internal threads hold it securely assembled to the brass fastener by an interference fit between the nose piece threads and the shallow inboard end of the brass fastener threads.

REFERENCES:
patent: 612302 (1898-10-01), Ballot
patent: 2212072 (1940-08-01), Newnham
patent: 2351356 (1944-06-01), Meyer
patent: 2443856 (1948-06-01), Hermanny
patent: 2613967 (1952-10-01), Coffing
patent: 2732021 (1956-01-01), Taft
patent: 3169105 (1965-02-01), Preiser et al.
patent: 3237976 (1966-03-01), Campoli
patent: 3792938 (1974-02-01), Wilde

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