LIGHT WHEELED VEHICLE WITH HYDRAULIC DRIVE Russian patent published in 1997 - IPC

FIELD: transport engineering; muscular driven hydraulically assisted wheeled vehicles; bicycles and tricycles for towing light trailers with loads and invalid chairs for moving up and down inclined surfaces and stairways. SUBSTANCE: identical plunger pump whose plunger engages with second roller of second lever- pedal and with hydraulic cylinder whose rod, through connecting rod and flange, is connected with driving gear through common axle are installed on cycle frame in mirror-like opposition. Diameter of plunger pump rod is 20 mm, and diameter of hydraulic cylinder rod is 32 mm. EFFECT: enlarged operating capabilities. 3 dwg