Ships – Watercraft with means used in providing sailpower – Having specifically defined hull shape
Patent
1983-03-30
1985-03-19
Blix, Trygve M.
Ships
Watercraft with means used in providing sailpower
Having specifically defined hull shape
B63B 3500
Patent
active
045052166
ABSTRACT:
A sailboard with an upstanding mast and a wishbone boom surrounding the mast and extending a sail connected to the mast, is provided with an elongated flexible element secured at its ends one on each side of the boom. The element is vertically swingable about its ends on the boom and is flexible and padded and is urged to raised position by an elastic member that interconnects the element to the mast. The flexible element is of a size suitable to receive within it the user's body so that the user can lean back on the element and thus apply his weight to the boom without the need for using his hands. This relieves strain on the arms and shoulders of the user.
REFERENCES:
patent: 1539729 (1925-05-01), Gold
patent: 2561487 (1951-07-01), Bailhe
"Harness Review"; Windsurf, Mar. 1982; pp. 48-51.
Blix Trygve M.
Sotelo Jesus D.
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