Boat propulsion unit

Details Boat propulsion unit Boat propulsion unit

1993-06-22

1994-11-15

Basinger, Sherman

Marine propulsion

Screw propeller

With means effecting or facilitating movement of propulsion...

440112, B63H 512

Patent

active

053642953

ABSTRACT:
Boat propulsion unit comprising a suspension arrangement (2) and a propeller drive shaft housing (3) which, via a lower and an upper universal joint (22, 24 resp.), are pivotally connected to each other. The suspension arrangement comprises a hollow frame member (5) made from extruded aluminum and arranged around an opening in a boat transom. The frame member presents, in cross-section, a T-shaped slot (13), in which a plurality of screws (14) are accommodated. With the help of nuts (16) and intermediate yokes (15) on the inside of the transom, the screws hold a flange on the frame member against a surface on the outside of the transom in order to secure the frame member.

REFERENCES:
patent: 2977923 (1961-04-01), Bergstedt
patent: 3006311 (1961-10-01), Hansson
patent: 3626467 (1969-09-01), Mazziotti
patent: 3654889 (1972-04-01), Bergstedt

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