Patent ID: 9567050
Date: 2017-02-14
CPC Classifications: B63C,B63G,B63H

Claim:
1. A human-powered underwater propulsor, comprising a waterproof airbag having a receiving space provided internally, an open end being formed on said receiving space and a waterproof ring being provided on said open end in such a manner that said receiving space is hermetically sealed after user wears the waterproof airbag; furthermore, a propulsion unit being provided on the other end of said waterproof airbag; a power generating module which has a gear box being provided in said receiving space, said power generating module having a gear box with two cranks being connected respectively on both sides thereof, each end of the two cranks having a pedal assembled thereon for pedaling by user; one end of the gear box being connected with a swing rod which is connected to the propulsion unit; the other end of the gear box being assembled with a saddle for user to sit thereon; after user wears said waterproof airbag, the buttock of the user sits on the saddle and user's feet pedal to actuate said gear box so that said swing rod is actuated to drive the propulsion unit to flap.