Knock down catamaran with inflatable pontoons

Ships – Apparatus held by or attached to rider to control sailboard... – Foot strap means

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Details

114 61, 114123, 114345, B63B 110

Patent

active

049150472

ABSTRACT:
A catamaran boat, especially intended for knock-down disassembly and rapid assembly having a generally rectangular frame. The frame has longitudinal members which are releasably connected to transverse members. At least one of the transverse members is arched upwardly. A pair of pontoons having an upper and a lower section, individually inflatable, are disposed below the longitudinal frame members. The pontoons have a pair of sleeves, fore and aft, extending laterally through the pontoon. Pontoon locks are releasably connected to the transverse frame members and extend outwardly from the catamaran boat. One leg of the pontoon lock is disposed over the pontoon and a bight portion is arcuately connected to a second, substantially parallel, leg protion of the pontoon lock. The second leg portion passes through the sleeve in the pontoon and connects to the transverse frame member forming a loop. The catamaran boat is steered by a pair of rudders. Each rudder is also connected to a tiller and the tillers are interconnected by a transverse member. The catamaran has a mast releasably mounted to the forward arched transverse frame member and a boom and a sail are attached to the mast. The aft transverse frame member has a mount for a motor for an alternate means of propulsion. A tray with a well is connected to the frame. A battery for the motor is disposed in the well. Alternately, the well can be used for food, beverages and supplies. The catamaran boat further has oarlocks and a pair of oars.

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patent: 4284024 (1981-08-01), Montgomery
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patent: 4543898 (1985-10-01), Castilla
patent: 4582012 (1986-04-01), Montgomery
patent: 4653417 (1987-03-01), White
patent: 4664049 (1987-05-01), Mourgue et al.
patent: 4796555 (1989-01-01), Chang

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