ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,751,871, issued on Oct. 6.
"Pump-action wheelchair and conversion kit" was invented by Micheal Don Jones (Portland, Ore.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pump-action wheelchair includes one or more pumping arm(s). A driving wheel is arranged on each side of the wheelchair. The pumping arm(s) is/are connected to two driving mechanisms that are connected to driving axles for the driving wheels. A handle bar can be connected to the pumping arm. The handle bar can be lowered to permit an operator to more easily climb into the wheelchair and then raised into an operating position before performing the pumping action. Different forces can be ap...