Recreational water vessel

Details Recreational water vessel Recreational water vessel

1997-09-02

1999-01-19

Avila, Stephen

Ships

Apparatus held by or attached to rider to control sailboard...

Foot strap means

114 61, 440 27, B63B 3500

Patent

active

058603786

ABSTRACT:
The present invention is for a recreational water vessel that may by operated driven by a manually operated propeller and drive system or it may be driven by wind under sail. The vessel includes two boards mounted to a main frame. Each board has a concave shaped bottom surface and an inner side surface that is vertically disposed with respect to the surface of the water. The drive system operates two propellers simultaneously and/or independently. A key mechanism may be biased between a position to operate the propeller simultaneously and independently. The vessel has a mast that is mounted toward the rear or stern of the main frame. A boom is mounted forward of a seat. A sail has a top mounted to the mast and a clew mounted to the boom. The sail is triangular such that a fold extends from the boom to the mast forming two halves of the sail.

REFERENCES:
patent: 3010421 (1961-11-01), Perkins
patent: 3185125 (1965-05-01), Haman
patent: 3211125 (1965-10-01), Yarbrough
patent: 3316873 (1967-05-01), Dismukes
patent: 3440995 (1969-04-01), Welsh
patent: 3791329 (1974-02-01), Bruning
patent: 4108100 (1978-08-01), Jamieson
patent: 4323352 (1982-04-01), Warren et al.
patent: 4408772 (1983-10-01), Hollwarth
patent: 4930433 (1990-06-01), Tirez
patent: 5024177 (1991-06-01), Winter et al.
patent: 5217398 (1993-06-01), Meron et al.

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