Variable angle of attack finbox assembly for surfboards and the

Details Variable angle of attack finbox assembly for surfboards and the Variable angle of attack finbox assembly for surfboards and the

1995-05-22

1996-10-22

Avila, Stephen

Buoys, rafts, and aquatic devices

Water skimming or walking device

Having stabilizing surface

114129, A63C 1500

Patent

active

055671900

ABSTRACT:
One or more variable angle fin box assemblies are sealed on the underside of a surfboard or the like that allows the angle of attack of the fin to be varied with the respect to the longitudinal axis of the surfboard, enabling the speed, stability and maneuvering characteristics of the surfboard to be adjusted or "tuned" by the rider in accordance with the rider's level of skill, different surf conditions and wave sizes. The novel fin box assembly has a longitudinal channel to receive the base end of a conventional surfboard fin, and in which a device is provided for securing the movable fin in the selected adjusted angular position.

REFERENCES:
patent: 3308493 (1967-03-01), Lambach
patent: 3564632 (1971-02-01), Bahne
patent: 3890661 (1975-06-01), Johnson
patent: 4493665 (1985-01-01), Liddle
patent: 4733496 (1988-03-01), Wallner
patent: 4854904 (1989-08-01), Wahl

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