Thrust coupling for watercraft

Details Thrust coupling for watercraft Thrust coupling for watercraft

1975-08-18

1976-11-02

Blix, Trygve M.

Ships

Mooring device

Boom type

B63B 2156

Patent

active

039889998

ABSTRACT:
A thrust coupling to be mounted on the bow of a thrust-exerting watercraft has a support on which a hemi-spherical element is mounted for free rotation about an axis extending transverse to the direction of travel of the watercraft. The hemi-spherical element is to be freely turnably received in a vertical guide track on the stern of a watercraft to be pushed; it is composed of two hemi-spherical members whose flat sides are juxtaposed but spaced from one another. The outer surface of each member may carry a removable layer of high-friction material.

REFERENCES:
patent: 3402558 (1968-09-01), Hellinger
patent: 3645225 (1972-02-01), Lunde
patent: 3800733 (1974-04-01), West
patent: 3804052 (1974-04-01), Lucht

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