Twin outboard drive for watercraft

Details Twin outboard drive for watercraft Twin outboard drive for watercraft

1986-01-29

1987-01-20

Blix, Trygve M.

Marine propulsion

Screw propeller

Having transmission

440 79, 440 86, 74378, 192 4891, B63H 2128

Patent

active

046378022

ABSTRACT:
A twin outboard drive and more particularly to an improved transmission and shifting arrangement for such drives. The drives include forward, neutral and reverse transmissions of the bevel gear type and which provide counter-rotation of the respective associated propellers. One of the transmissions is shifted in one direction to shift from neutral to forward while the other transmission is shifted in the opposite direction to shift from neutral to forward. A pair of remote control shift levers are provided and a motion transmitting means connects the shift levers with the transmissions so that the transmissions are shifted in opposite directions when the shift levers are moved in the same direction. In some embodiments, this is accomplished by a crank and follower mechanism and in other embodiments, it is accomplished by a cam and follower arrangement.

REFERENCES:
patent: 2618235 (1952-11-01), Clark
patent: 2702615 (1955-02-01), Morse
patent: 3113549 (1963-12-01), Frank
patent: 4228760 (1980-10-01), Kulishenko
patent: 4302196 (1981-11-01), Blanchard
patent: 4310320 (1982-01-01), Pitchford
patent: 4527441 (1985-07-01), Nakahama

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