Hydraulic system for marine propulsion devices

Details Hydraulic system for marine propulsion devices Hydraulic system for marine propulsion devices

1985-05-06

1987-04-21

Peters, Jr., Joseph F.

Marine propulsion

Screw propeller

With means effecting or facilitating movement of propulsion...

440 57, 440 53, B63H 512

Patent

active

046593152

ABSTRACT:
A marine propulsion device comprising a gimbal housing adapted to be fixedly attached to the transom of a boat and including an end plate adapted to be generally aligned with the boat transom and having an opening, opposite sides, and a rear surface, the gimbal housing also including a first generally vertical side member extending rearwardly from one side of the end plate, and a second generally vertical side member extending rearwardly from the other side of the end plate, a gimbal ring pivotally connected to the gimbal housing for pivotal movement relative to the gimbal housing about a generally vertical steering axis, a propulsion unit pivotally connected to the gimbal ring for pivotal movement relative to the gimbal ring about a generally horizontal tilt axis, and for pivotal movement with the gimbal ring about the steering axis, a hydraulic cylinder/piston assembly connected between the gimbal ring and the propulsion unit for effecting pivotal movement of the propulsion unit relative to the gimbal ring, and a conduit having one end adapted to communicate with a source of hydraulic fluid inside the boat, and an opposite end communicating with the hydraulic cylinder/piston assembly, the conduit extending through the opening in the end plate, downwardly from the opening in the end plate and inwardly of the side members of the gimbal housing along the rear surface of the end plate, and rearwardly to the hydraulic cylinder/piston assembly.

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patent: 4325700 (1982-04-01), Kern et al.
patent: 4345624 (1982-08-01), Rider
patent: 4384856 (1983-05-01), Hall et al.
patent: 4449945 (1984-05-01), Ferguson

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