Marine propulsion – Screw propeller – Propulsion unit casing
Patent
1984-07-16
1986-11-18
Blix, Trygve M.
Marine propulsion
Screw propeller
Propulsion unit casing
440 88, 440112, B63H 2136
Patent
active
046233130
ABSTRACT:
A marine propulsion device comprising a mounting bracket assembly adapted to be mounted on a boat transom for pivotal movement relative to the boat transom about a generally horizontal tilt axis, a propulsion unit including an internal combustion engine and rotatably connected to the mounting bracket assembly for rotation relative to the mounting bracket assembly about a generally vertical steering axis, and for common pivotal movement with the mounting bracket assembly about the tilt axis, a shroud substantially enclosing the engine, and a duct including a first rigid portion adapted for connection to and through the transom of the boat, and a second rigid portion communicating with and being rotatably connected to the first rigid portion for rotation about the tilt axis, and communicating with and being rotatably connected to the shroud for rotation about the steering axis.
REFERENCES:
patent: 2752198 (1956-06-01), Crow
patent: 4076282 (1978-02-01), Scott
patent: 4371348 (1983-02-01), Blanchard
patent: 4375356 (1983-03-01), Stevens
patent: 4395238 (1983-07-01), Payne
patent: 4403971 (1983-09-01), Kobayashi et al.
patent: 4416475 (1983-11-01), Stacey
patent: 4449945 (1984-05-01), Ferguson
Avila Stephen P.
Blix Trygve M.
Outboard Marine Corporation
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