Ships – Sail or control means therefor – Reefing and furling
Patent
1978-02-03
1980-04-08
Butler, Douglas C.
Ships
Sail or control means therefor
Reefing and furling
114107, B63H 904
Patent
active
041966872
ABSTRACT:
A roller reefing system for reefing any sail (e.g. main, mizzen, staysail, jib or genoa) of a sailboat is disclosed which includes an elongated insert element operatively connected to the luff or leading edge of the sail, and having a predetermined continuously contoured configuration or variable cross-section along its length, to accommodate sail fullness during furling and unfurling operations.
REFERENCES:
patent: 3749043 (1973-07-01), Crall
patent: 3938460 (1976-02-01), Wales
Butler Douglas C.
Frommer William S.
Keen D. W.
Razzano Pasquale A.
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