Mast foot for sailing boards

Details Mast foot for sailing boards Mast foot for sailing boards

1981-10-26

1984-08-21

Blix, Trygve M.

Ships

Spars

Masts and masting

441 74, B63B 1500

Patent

active

044663757

ABSTRACT:
A mast foot for sailing boards comprising a holder securable to the sailing board and a connector which is connected to the holder by a universal joint and can be connected to the mast. The holder and connector are provided with curved faces which frictionally roll on each other during movement, in all directions, and which positively interengage to provide the universal joint. The holder and connector are held together by an elastic tension member. In one embodiment, the older is a half cup and the connector is a bearing sphere supported by the half cup. In another embodiment, the holder is provided with a ring having a bead-like edge and the connector has a complementary annual groove.

REFERENCES:
patent: 1384365 (1921-07-01), Walsh
patent: 3485201 (1969-12-01), Kelley
patent: 4166425 (1979-09-01), Kummetz
patent: 4236476 (1980-12-01), Solf
patent: 4273062 (1981-06-01), Marker

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