Patent ID: 7223143

Claim:
A self-propelled life vest for assisting a swimmer in water, comprising: a) a body, the body being configured for being worn on a torso of a swimmer; b) an upper connector configured for connecting the body to an upper portion of a swimmer, in use; c) a lower connector configured for connecting to a lower portion of a swimmer, in use; d) a propulsion unit provided on the body, the propulsion unit being sufficiently strong for propelling a swimmer through water, in use; e) a power supply provided on the body and operatively connected with the propulsion unit for powering the propulsion unit; f) an inflation device provided on the body, the inflation device being inflatable and deflatable; g) an inflation control provided on the body and operatively connected with the inflation device for inflating and deflating the inflation device, in use; h) a housing provided on the body, the housing being provided adjacent the propulsion unit for restricting the swimmer from contacting the propulsion unit, and for directing an inflow and outflow of propelled water, in use; i) the propulsion unit including at least a first propeller and a second propeller; and j) the propulsion unit being configured for driving the first propeller and the second propeller independently.