Trimming device for marine propulsion unit

Details Trimming device for marine propulsion unit Trimming device for marine propulsion unit

1986-12-23

1988-08-16

Basinger, Sherman D.

Marine propulsion

Screw propeller

With means effecting or facilitating movement of propulsion...

440 61, B63H 2126

Patent

active

047641347

ABSTRACT:
An improved thrust taking arrangement for an outboard drive wherein anti-friction members are provided for transferring the thrust between the trim adjusting thrust member and the outboard drive. The anti-friction members comprise rollers carried in a downwardly facing opening of the outboard drive. In some embodiments, the rollers are balls and in other embodiments they are cylindrical elements that rotate about an axis parallel to the trim pivot axis of the outboard drive. In some embodiments, the roller members contact a concavely curved surface of the thrust member and the radii of curvature are different so as to minimize relative movement.

REFERENCES:
patent: 2927552 (1960-03-01), Mickey
patent: 3008445 (1961-11-01), Frank
patent: 3053489 (1962-11-01), Robinson et al.
patent: 3581702 (1971-06-01), Moberg
patent: 4720278 (1988-01-01), Taguchi et al.

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