Personal watercraft usage device for use as marine vehicle, has rigid shell of pneumatic boat removed from watercraft in marine medium, trampoline located above set free volume when watercraft is extracted, and transom with shoulder

摘要

The device has a rigid shell (1) of a pneumatic boat adapting shape of a personal watercraft (2) and removed from the watercraft in marine a medium. The boat has a transom (3) with a shoulder, which pivots on two axles in a manner to let the watercraft enter in the shell. Trampoline is located above set free volume when the watercraft is extracted.