Ships – Sail or control means therefor – Specific sail structure or arrangement
Patent
1978-01-24
1980-02-05
Basinger, Sherman D.
Ships
Sail or control means therefor
Specific sail structure or arrangement
24249R, 244DIG1, 244153R, B63H 906
Patent
active
041866800
ABSTRACT:
A skate sail is rigged with leading edge spars set by manipulation of a cruciform frame. The sail and frame assembly is suitable for mounting on a boat or vehicle as well as for being hand held, and is collapsible for compact stowing. When provided with a cinch line the sail assembly can be used for hang gliding. Rigging is set by joining separable lengths of a mast and advancing a transverse brace along the mast toward the mast head to deploy by toggle-like action head spars to which the sail is lashed thereby spreading and drawing taut a trapezium configuration of sail foil which is anchored to the foot of the mast. Laterally extendable wings may be provided and deployed separately to provide troughs which catch air spilling from the main sail foil and ease handling of the sail and enhance the ability of a user to trim the sail readily.
REFERENCES:
patent: 3615064 (1971-10-01), Gellert
patent: 3858542 (1975-01-01), Lenoble
patent: 3920201 (1975-11-01), Battles
Basinger Sherman D.
Schoff Keith
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