Ships – Spars – Masts and masting
Patent
1999-03-16
2000-08-22
Swinehart, Ed
Ships
Spars
Masts and masting
114382, 811801, B63B 1500
Patent
active
061055263
ABSTRACT:
An apparatus for separating mating cylindrical members, for example mating sections of a sailboard mast. The apparatus includes either a pair of support elements or a block element and a lever arm. Each of the pair of support elements and the block element is configured to receive one of the mating sections of the sailboard mast and the lever arm is configured to receive the other of the mating sections of the sailboard mast. Connecting elements are provided for frictionally holding one of the mating sections of the sailboard mast to either the support elements or the block element and for frictionally holding the other of the mating sections of the sailboard mast to the lever arm. In operation, the lever arm is moved so as to apply a torsional force to the other of the mating section of the sailboard mast while the one of the mating sections of the sailboard mast is held in position either in the pair of support elements or in the block clement. The torsional force applied by the action of the lever arm separates the mating sections of the sailboard mast.
REFERENCES:
patent: 497797 (1893-05-01), Jones
patent: 4305316 (1981-12-01), Lehman
DePalma Anthony G.
Stratton Thomas C.
Bello Herbert L.
Swinehart Ed
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