Articulated coupling device for the boom of a sailing boat

Details Articulated coupling device for the boom of a sailing boat Articulated coupling device for the boom of a sailing boat

1979-01-02

1980-08-26

Kundrat, Andrew V.

Joints and connections

Articulated members

Plural distinct articulation axes

403316, F16D 300

Patent

active

042192846

ABSTRACT:
The device comprises an element for rigidly fixing the articulated coupling device to a mast and a boom end-piece which are capable of pivotal displacement in perpendicular planes and each mounted on a common nut by means of a fork. Ribs and grooves formed respectively on the fork and in the nut remain in a position of interengagement after relative rotation through an angle of approximately 180.degree. with respect to a position of introduction of the fork into the nut.
The invention is primarily applicable to the boom of a sailing boat which is pivotally coupled to a mast.

REFERENCES:
patent: 1274805 (1918-08-01), Stavish
patent: 1579630 (1926-04-01), Bertsche
patent: 2479129 (1949-08-01), Moore
patent: 2954685 (1960-10-01), Cuq

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