Adjustment fixture for wishbone booms board-sailing devices

Details Adjustment fixture for wishbone booms board-sailing devices Adjustment fixture for wishbone booms board-sailing devices

1985-03-20

1987-02-03

Basinger, Sherman D.

Ships

Spars

Gaffs, booms, etc.

403109, B63H 908

Patent

active

046402110

ABSTRACT:
An adjustment fixture for wishbone booms of board-sailing devices comprises two main tubes (1) joined at an acute angle on the mast side, and end tubes (3) telescopically adjustable therein, joined on the side of the stern leech rope. Each end tube (3) has several spaced-apart peripheral grooves (5). A locking ring (7) of rubber or the like is provided, which can engage respectively one of the peripheral grooves (5) and constitutes a tight seal between the main tube (1) and the end tube (3); this locking ring can be locked, with a locking part (6) shaped like an O-ring, into one of the peripheral grooves (5). A conical end section (9) of the locking ring (7) forms a readily handleable transition between the main tube (1) and the end tube (3).

REFERENCES:
patent: 3722903 (1973-03-01), Jones

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