Two-stage tilt cylinder mechanism for marine propulsion stern br

Details Two-stage tilt cylinder mechanism for marine propulsion stern br Two-stage tilt cylinder mechanism for marine propulsion stern br

1991-02-25

1993-03-23

Basinger, Sherman

Marine propulsion

Screw propeller

With means effecting or facilitating movement of propulsion...

188284, 440 61, B63H 2126

Patent

active

051959143

ABSTRACT:
A shock absorber adapted for use with the swivel bracket assembly of an outboard motor or the like, is disclosed, which swivel bracket assembly permits rotation of the motor to clear an underwater object if and when a boat strikes such an object. The shock absorber has a two stage operation in that it permits a swivel bracket assembly to rotate and provides a counterforce that is initially lower, and after some degree of rotation, preferably sufficient to have the drive shaft housing clear the object, provides a higher counterforce to continued rotation.

REFERENCES:
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patent: 4551104 (1985-11-01), Iwashita et al.
patent: 4575342 (1986-03-01), Nakahama et al.
patent: 5024301 (1991-06-01), Cook

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