Outboard hydraulic steering assembly with reduced support bracke

Details Outboard hydraulic steering assembly with reduced support bracke Outboard hydraulic steering assembly with reduced support bracke

1998-01-23

1999-12-07

Sotelo, Jesus D.

Marine propulsion

Screw propeller

With means effecting or facilitating movement of propulsion...

440 63, 114150, B63H 5125

Patent

active

059973706

ABSTRACT:
A hydraulic steering assembly applies a force to a tiller arm of a marine, outboard propulsion unit and rotates the propulsion unit about a steering axis between a center position and hard over positions to each side of the center position. The propulsion unit is supported for arcuate movement about a tilt axis which is generally perpendicular to the steering axis. The steering assembly includes a hydraulic steering cylinder with an elongated piston rod reciprocatingly mounted within the cylinder for movement along a piston rod axis. A pair of support arms are pivotable about the tilt axis and are connected to the piston rod, allowing arcuate movement of the rod about the tilt axis, while maintaining the rod axis parallel to the tilt axis. A member is pivotally mounted on the tiller arm for pivoting about a first axis which is parallel to the steering axis. The cylinder arm is connected to the cylinder and extends radially outwards from the piston rod axis. The cylinder arm is pivotally connected to the member for pivoting about the second link axis which is parallel to the piston rod axis. The cylinder arm moves through a partially rotated position when the propulsion unit rotates from the center position to either hard over position. The second link axis and the rod axes are on a plane parallel to the steering axis at the partially rotated position.

REFERENCES:
patent: 4373920 (1983-02-01), Hall et al.
patent: 5092801 (1992-03-01), McBeth

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