Furling and unfurling device for asymmetric sails

Details Furling and unfurling device for asymmetric sails Furling and unfurling device for asymmetric sails

2011-07-12

2011-07-12

Swinehart, Ed (Department: 3617)

Ships

Sail or control means therefor

Reefing and furling

Reexamination Certificate

active

07975635

ABSTRACT:
An asymmetric sail furling and unfurling device comprises a tubular outer foil and an inner stay foil, the inner and outer foils providing a foil assembly adapted to transmit a torque for furling an unhoisted sail, which is furled on a sheath foil fitted on the outer foil, with the assembly of the foils and sheath being flexible.

REFERENCES:
patent: 4723499 (1988-02-01), Furgang
patent: 6591771 (2003-07-01), Greghi

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