Buoys – rafts – and aquatic devices – Water skimming or walking device
Patent
1994-03-14
1995-02-14
Basinger, Sherman
Buoys, rafts, and aquatic devices
Water skimming or walking device
441 74, 441 79, B63B 3579
Patent
active
053890230
ABSTRACT:
A body surfing board includes a flexible hull having a lower surface, an upper surface adapted to receive a swimmer, and a nose section defining a forward end of the hull. A tail section including a keel extends downwardly from the lower surface of the hull. A pair of fins extend downwardly from the hull along opposite lateral edges thereof. The fins are each pivotable along their respective attachment to the hull, inwardly and outwardly with respect to one another. A plurality of slits extend between the pair of fins for translating the force of a water wave into forward movement of the body surfing board. In one embodiment, a plurality of ribs fixed to the lower surface of the hull define the slits. In another embodiment, a plurality of ribs are positioned within the nose section of the hull to open and close the slits in response to movement of the fins. In still another embodiment, the slits are incorporated into a diaphragm member. A pair of pommels are fixed to the hull to support the backs of the swimmer's arms. The tail section may include a tail fin attached to the keel within one of a plurality of channels. The fins may include sleeves or external hand grips.
REFERENCES:
patent: D323371 (1992-01-01), Ohtaka
patent: 1099575 (1914-06-01), Skaszynski
patent: 1278090 (1918-09-01), Barringer
patent: 1829471 (1931-10-01), Brimhall
patent: 1843617 (1932-02-01), Marshall
patent: 3491997 (1970-01-01), Winters
patent: 4302860 (1981-12-01), Puch
patent: 4886476 (1989-12-01), Brocone et al.
patent: 5007871 (1991-04-01), Dyer
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