Sailboat with offset boom

Details Sailboat with offset boom Sailboat with offset boom

2005-08-23

2005-08-23

Avila, Stephen (Department: 3617)

Ships

Watercraft with means used in providing sailpower

C114S090000, C114S097000

Reexamination Certificate

active

06932010

ABSTRACT:
A sailboat comprising a hull with a mast has a rotatable strut that supports a continuous boom and holds the boom far enough away from the mast to allow clear air flow over the sail on either tack. The support for the boom at the end of the strut is tubular to allow the boom to move. When the after portion is eased out for off wind sailing, the forward portion automatically is projected to windward bringing the center of effort closer to the mast.

REFERENCES:
patent: 28364 (1860-05-01), Hall
patent: 28399 (1860-05-01), Nute
patent: 98242 (1869-12-01), Furbish
patent: 383594 (1888-05-01), Rushton
patent: 1856803 (1932-05-01), Blackman
patent: 3173395 (1965-03-01), Laurent
patent: 3477402 (1969-11-01), Compte
patent: 4263861 (1981-04-01), Vicard
patent: 5778814 (1998-07-01), Taylor
patent: WO 91/18788 (1991-12-01), None

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