Rudder sleeve for boat rudder

Details Rudder sleeve for boat rudder Rudder sleeve for boat rudder

1991-08-08

1992-07-14

Basinger, Sherman

Ships

Steering mechanism

Rudders

114164, 114168, 440 51, B63H 2506

Patent

active

051293463

ABSTRACT:
A rudder sleeve for enlarging the surface area of a boat rudder includes first and second stainless steel plates having four side edges defining first and second opposed major hydrodynamic surfaces. The rudder sleeve has a substantially rectilinear periphery. The first and second plates are secured together around the periphery of three of the four side edges by welding to define a narrow pocket between the first and second plates enclosed on three side edges.
An open side edge is provided for placing the boat rudder into the pocket. Fastening bolts are provided for being extended through the first and second plates and the boat rudder from side-to-side to fasten the rudder sleeve to the boat rudder.

REFERENCES:
patent: 42494 (1864-04-01), Lewis
patent: 99639 (1870-02-01), Coleman
patent: 142367 (1873-09-01), Baptista
patent: 2316022 (1943-04-01), Rippingille
patent: 2990889 (1961-07-01), Welch
patent: 3001502 (1961-09-01), Stoker
patent: 4205618 (1980-06-01), Olsson
patent: 4304557 (1981-12-01), Henrich
patent: 4944202 (1990-07-01), Cain
patent: 5007868 (1991-04-01), Fry
patent: 5007869 (1991-04-01), Zoellner

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