Twin or forked boom for a sailing surfboard

Details Twin or forked boom for a sailing surfboard Twin or forked boom for a sailing surfboard

1983-01-28

1985-06-18

Sotelo, Jesus D.

Ships

Spars

Gaffs, booms, etc.

114 39, B63B 1500

Patent

active

045235376

ABSTRACT:
The slack portion or sag of the trapezoidal member fixed by both its ends to at least one of the two twin boom tubes is variable by sleeves engaging the two slack portion end areas, embracing the twin boom tube and which are displaceable in the longitudinal direction. One end of the trapezoidal member is held in a wedge clip, so that for improving the trimming of the trapezoidal member, its engagement points are displaceable on the twin boom tube.

REFERENCES:
patent: 856722 (1907-06-01), Pedersen

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