Hydraulic assist device for marine propulsion unit

Marine propulsion – Screw propeller – With means effecting or facilitating movement of propulsion...

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Details

251213, B63H 2126

Patent

active

054892260

ABSTRACT:
A hydraulic device for interposition between an outboard propulsion device and a watercraft transom for controlling the trim position of the propulsion device, for permitting the propulsion device to pop up when an underwater obstacle is struck and to return to the trim adjusted position and also including a bypass valve for permitting manual tilt up of the propulsion device without fluid restriction.

REFERENCES:
patent: 4493659 (1985-01-01), Iwashita
patent: 5358436 (1994-10-01), Soda et al.

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