Tilt lock system for outboard motor

Details Tilt lock system for outboard motor Tilt lock system for outboard motor

1993-02-16

1994-11-29

Basinger, Sherman

Marine propulsion

Screw propeller

With means effecting or facilitating movement of propulsion...

1376302, B63H 2126

Patent

active

053685091

ABSTRACT:
A hydraulic tilt lock mechanism for a marine outboard drive that resists popping up operation when the outboard drive is operated in reverse but permits the outboard drive to pop up when an underwater obstacle is struck with sufficient force when traveling in a forward direction. A bypass passage is provided for selectively bypassing the shock absorbing function of the tilt lock mechanism to permit manual tilt and trim up and tilt and trim down operation. A control valve arrangement for controlling the flow through this bypass passage is incorporated which includes an operator that moves along an axis that is parallel to the cylinder bore of the hydraulic tilt lock mechanism and thus affords a compact and easily accessed construction.

REFERENCES:
patent: 4121736 (1978-10-01), McGaw, Jr.
patent: 4605377 (1986-08-01), Wenstadt
patent: 4784625 (1988-11-01), Nakahama
patent: 4925411 (1990-05-01), Burmeister
patent: 4944705 (1990-07-01), Kashima et al.

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