Shifting mechanism for outboard drive

Details Shifting mechanism for outboard drive Shifting mechanism for outboard drive

1993-11-22

1995-04-04

Basinger, Sherman

Marine propulsion

Screw propeller

Having transmission

192 51, 192 4891, 440 80, 440 88, B63H 2128

Patent

active

054032180

ABSTRACT:
A shifting mechanism for an outboard drive of a watercraft provides a simple and compact transmission, as well as streamlines a lower unit of the outboard drive to reduce fluidic drag. The shifting mechanism is located on a drive train generally aligned along a vertical axis and above a propulsion shaft of the lower unit. The drive train includes a rotatable input shaft which is driven by a motor. The transmission of the shifting mechanism, which is located above a cavitation plate of the housing of the outboard drive, selectively couples the input shaft and a drive shaft. The drive shaft in turn is coupled to the propulsion shaft. The transmission includes a clutch which is slidably connected to the drive shaft to move along the vertical axis into and out of direct engagement with the input shaft.

REFERENCES:
patent: 2064195 (1936-12-01), Michels
patent: 3269497 (1966-08-01), Bergstedt
patent: 3447504 (1969-06-01), Shimanckas
patent: 3487803 (1970-01-01), Alexander, Jr.
patent: 3492966 (1970-02-01), Kiekhaefer
patent: 4343612 (1982-08-01), Blanchard
patent: 4747795 (1988-05-01), Kawamura et al.
patent: 4764135 (1988-08-01), McCormick
patent: 5009621 (1991-04-01), Bankstahl

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