Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm
Patent
1994-08-05
1995-10-24
Sotelo, Jesus D.
Marine propulsion
Operator powered drive for propelling means
Rotary cranking arm
114347, B63H 1620
Patent
active
054605512
ABSTRACT:
A kayak having a cockpit containing a seat and a set of rotatable of pedals, the kayak propelled by a propeller, the propeller driven via a linkage by the set of rotatable pedals. Preferably, the rotatable pedals are mobile fore and aft substantially parallel to a center line of the kayak, and the drive shaft to the propeller is able to be extended and retracted to maintain the transmission of power and rotation from the rotatable pedals to the propeller. Also preferably, the cockpit containing the seat is molded into an upper deck of the kayak such that a hip of a user is substantially fully below the upper deck, and the cockpit has substantially no overhangs, such that, after capsizing and righting of the kayak in water, substantially no water is retained in the cockpit. The kayak also preferably includes a torque-tube steering system that permits a user to steer with either hand, and without interrupting the propulsion of the kayak on the water. The kayak also preferably includes a removable insert sized to fit a cargo hatch in an upper deck of the kayak, the insert also sized to seat a child or animal.
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