Lengthwise adjustable forked boom for surfboards

Details Lengthwise adjustable forked boom for surfboards Lengthwise adjustable forked boom for surfboards

1995-08-23

1996-12-17

Avila, Stephen

Ships

Spars

Gaffs, booms, etc.

B63B 1500

Patent

active

055842593

ABSTRACT:
A lengthwise adjustable forked boom for surfboards comprises two principal bars (1) bound by a forked boom head piece and two extension bars (3) telescopically adjustable in them. The extension bars are interconnected at the leech by a forked boom tail piece. At the end of both principal bars (1) is a connecting bush (6) that extends beyond the bar ends, attached securely with a catch lever (7) that has locking bars (8) which lock into the corresponding adjustment holes (9) in at least one series of holes at equal intervals in the extension bars (3) when the lever (7') is closed.

REFERENCES:
patent: 4562787 (1986-01-01), Adamek et al.
patent: 4867091 (1989-09-01), Arisato et al.
patent: 5193476 (1993-03-01), Namur

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