Non-conducting mast for sailboats

Details Non-conducting mast for sailboats Non-conducting mast for sailboats

1984-03-14

1986-07-01

Barefoot, Galen L.

Ships

Watercraft with means used in providing sailpower

Having specifically defined hull shape

114 90, 114111, B63H 910

Patent

active

045973466

ABSTRACT:
A sailboat mast is provided with a non-conducting upper end portion. The non-conducting portion is formed by wrapping a plastic core with resin-impregnated fiberglass and molding the wrapped core. The lower end of the non-conducting portion is provided with a necked-down portion which is inserted into the upper end of a conventional metal mast. The trailing side of the non-conducting portion has a pair of longitudinally extending grooves, and a plastic luff track includes a pair of attaching flanges which are inserted into the grooves.

REFERENCES:
patent: 2863513 (1958-12-01), Metzger
patent: 2929755 (1960-03-01), Porter
patent: 3429758 (1969-02-01), Young
patent: 3519228 (1970-07-01), Windecker
patent: 3762835 (1973-10-01), Carlson et al.
patent: 3927633 (1975-12-01), Bernard
patent: 4291639 (1981-09-01), Burdick
patent: 4383955 (1983-05-01), Rubio et al.

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