Ships – Apparatus held by or attached to rider to control sailboard... – Foot strap means
Patent
1987-02-18
1988-07-19
Basinger, Sherman D.
Ships
Apparatus held by or attached to rider to control sailboard...
Foot strap means
114 61, 114103, B63B 114, B63H 904
Patent
active
047577770
ABSTRACT:
A colapsible light and strong vessel adapted for movement over water having a substantially terahedral frame comprising three elongated rigid members each connected to a buoyant hull and which meet at a common juncture, the hulls are configured such that one hull is forward and the other two aftward, a fourth rigid member projects upwardly from this juncture, A plurality of stays are connected proximal to the distal ends of these four members. A fifth member is connected to the two aft members proximal to the the aft hulls, this fifth member may serve as a stay, decking is connected to this aft member and to the common juncture. An engine is connected proximal to the forward hull. A light weight sail is provided which comprises a plurality of elongated airfoil shaped surfaces.
REFERENCES:
patent: 2987736 (1961-06-01), Wolff
patent: 3395664 (1968-08-01), Greenberg et al.
patent: 3658028 (1972-04-01), Koons
patent: 3691976 (1972-09-01), Wilson
patent: 4227480 (1980-10-01), Carras
patent: 4524709 (1985-06-01), McKenna
patent: 4543899 (1985-10-01), Walker
patent: 4690086 (1987-09-01), McKenna
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