Boat propulsion unit

Details Boat propulsion unit Boat propulsion unit

1993-06-22

1994-10-25

Sotelo, Jesus D.

Marine propulsion

Screw propeller

With means effecting or facilitating movement of propulsion...

B63H 512

Patent

active

053584350

ABSTRACT:
Boat propulsion unit comprising a suspension arrangement (2) and a propeller drive shaft housing (3) which, via a lower and an upper universal joint (22, 24 resp.), are pivotally connected to each other. A hydraulic piston-cylinder arrangement (35) has its cylinder connected to the upper joint and, at the lower end of its piston rod, presents a forked bracket (39) which is pivotally connected to an upper region of the drive shaft housing. At a distance from the upper joint (24), the cylinder (34) of the arrangement presents attachments for a steering mechanism, by means of which the arrangement is displaceable about a vertical axis (a). The embodiment implies that the piston-cylinder arrangement serves both as a trim and tilt cylinder as well as a rudder.

REFERENCES:
patent: 3006311 (1961-10-01), Hansson et al.
patent: 3175529 (1965-03-01), Bergstedt
patent: 3626467 (1969-09-01), Mazziotti
patent: 4544362 (1965-10-01), Arneson

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