Patent ID: 8141666

Claim:
A solar powered baggage cart comprising: a baggage cart comprising a baggage container portion having a generally flat bottom surface for placing baggage thereon, a generally flat top surface vertically spaced-apart from said bottom surface; said baggage cart further comprising a platform extending on one end side of said baggage container, said platform being dimensioned to allow a cart operator to stand on a top surface of said platform; a pair of spaced-apart front wheels and a pair of spaced-apart rear wheels underlying said baggage cart for supporting said baggage cart in rolling motion on a supporting surface; an array of photo-voltaic cells located in an overlying relationship to said generally flat top surface, said cells being in electrical communication with a bank of batteries through a charging control circuit for charging said bank of batteries; and said bank of batteries being mounted under said baggage cart and electrically connected to one or more electric motor/pumps, said one or more electric motor/pumps being in mechanical communication with respective drive motors and brakes for said front and rear wheels, wherein the one or more electric motor/pumps drive a hydraulic gear pump system that pressurizes an accumulator that maintains a stored energy operating constant pressure for driving the respective drive motors and brakes, and to provide a maximum flow of hydraulic fluid to the respective drive motors and brakes to achieve cart speeds up to a maximum of 5 miles per hour.