Ships – Sail or control means therefor – Reefing and furling
Patent
1997-10-14
1999-08-17
Swinehart, Ed L.
Ships
Sail or control means therefor
Reefing and furling
114 39001, B63H 910
Patent
active
059377798
ABSTRACT:
A spinnaker raising and lowering system is provided for a sailboat. The system includes a first pulley mounted in a movable mounting. A second pulley contained in a mounting which is fixed to the deck of the sailboat. A third pulley contained in a mounting that is disposed in a fixed relation to the mast of the sailboat, and is fixed above the deck, and a fourth pulley contained in a mounting that is disposed in fixed relation to the first pulley. A first rope attached to the top of the spinnaker extends around the third pulley, first pulley, second pulley and then is attached to the mounting of the first pulley. A second rope attached to the bottom of the spinnaker extends forwardly around the fourth pulley and then to the mounting of the first pulley. A third rope attached to the leading edge of the spinnaker intermediate the attachment points of the first and second ropes extends aft through a spinnaker sleeve.
REFERENCES:
patent: 3310018 (1967-03-01), Roberts, Jr. et al.
patent: 4102289 (1978-07-01), Ebbeson et al.
patent: 4262617 (1981-04-01), Svensson
patent: 5636584 (1997-06-01), Walker
Boller George L.
M-Yachts, Inc.
Swinehart Ed L.
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