Surfboard

Details Surfboard Surfboard

1979-07-23

1982-03-23

Halvosa, George E. A.

Buoys, rafts, and aquatic devices

Water skimming or walking device

Surfboard

114274, 441 79, A63C 1500

Patent

active

043205461

ABSTRACT:
A surfboard with a fin is developed to counteract the tendency for skegs or fins to "pop out" especially when the surfer "walks the nose" of the surfboard or rides high on a wave. The fin has a pair of opposed wing hydrofoils extending laterally from an approximately mid-point position on a vertical hydrofoil having a forwardly arcuate relieved portion above the wing hydrofoils, a downwardly-rearwardly swept leading edge and a rearwardly-upwardly swept trailing edge terminating at the confluence of the rear edges of the wing hydrofoils.

REFERENCES:
patent: 2081868 (1937-05-01), Hampden
patent: 2751612 (1956-06-01), Shepard
patent: 3747138 (1973-07-01), Morgan
patent: 3797434 (1974-03-01), Matthews
patent: 4044416 (1977-08-01), Brewer et al.

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