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US 4,537,145 AGranted
Wind propelled vessel
OwnerChristopher R. Whiteinventor
Life of this patent
Estimating the term…
Abstract
Sailing vessel having mast and sail tiltable fore and aft and athwartship. The mast is held at an intermediate place along its length, and its lower end is swingable about the intermediate holding means.
Claims11
A sailing vessel comprising an elongated hull, a mast, a boom pivotally connected at one end to the mast, means to secure the mast and boom to a sail having one side extending along the mast and one part extending near the other end of the boom, and mast supporting and angular adjustment means comprising the following elements operative as follows:
- (a) An upper mast holding means connected to the mast;
- (b) A lower mast holding means connected to the mast near the bottom end of the mast;
- (c) means mounting said lower mast holding means for movement substantially lengthwise of the hull;
- (d) means to apply and release restraint on said lengthwise movement while sailing;
- (e) means mounting said upper mast holding means for movement substantially sidewise relative to the length of the hull;
- and
- (f) means to apply and release restraint on said sidewise movement while sailing;
- (g) whereby during restraint of said sidewise movement, said lengthwise movement is effective to tilt the mast in a direction substantially lengthwise of the hull;
- (h) whereby during restraint of said lengthwise movement, said sidewise movement is effective to tilt the mast in a direction substantially sidewise relative to the length of the hull;
- and
- (i) whereby combinations of said sidewise and lengthwise movements are effective to tilt the mast in directions having both lengthwise and sidewise components relative to the length of the hull.
8 more elements
Dependencies are inferred from the claim text.