A flipper propelled watercraft comprising two flippers 10L,R, two foot pedals 4L,R, two handlebars 2L,R, two handle grips 1L,R, two rudders (11L,R, Fig. 2), two floats 7L,R and a frame (5, 6, 13). The flippers may move up and down counter to each other when driven by the foot pedals and/or handlebars. When one pedal/handlebar is pushed, the other may be pulled in the opposite direction. Pushing and pulling successively on the pedals/handlebars may generate propulsive thrust. The frame may have four arms held at a right angle to a central spine, the arms able to fold inwards to assume a closed position. A float may be on either side of the craft. The craft may be propelled by the arms/legs of the operator, and may include tow handlebars and two steering rudders.
Flipper propelled water craft
2021-06-16
Patent
Elektronische Ressource
Englisch