Surface drive outboard with improved transmission

Details Surface drive outboard with improved transmission Surface drive outboard with improved transmission

1988-04-20

1991-01-01

Peters, Jr., Joseph F.

Marine propulsion

Screw propeller

With means effecting or facilitating movement of propulsion...

440900, 440 53, B63H 512

Patent

active

049814524

ABSTRACT:
An outboard motor for a marine craft which incorporates a surface drive heretofore only found with inboard motors. A specially designed constant velocity universal joint is used to pivotally couple the propeller shaft and propeller shaft extension housing to the outboard's lower unit whereby propeller thrust forces are transmitted directly through the propeller shaft to the transmission's output shaft. Furthermore, provision is made for routing engine cooling water and exhaust through the prop shaft extension housing and the propeller hub, thereby reducing the engine noise.

REFERENCES:
patent: 3186374 (1965-06-01), Heidner
patent: 3628492 (1971-12-01), Baldwin
patent: 3919965 (1975-11-01), Ross
patent: 4334872 (1982-06-01), Gaston
patent: 4645463 (1987-02-01), Arneson

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