FLAPPING VEHICLE Russian patent published in 1999 - IPC

FIELD: vehicles driven by man power. SUBSTANCE: flapping vehicle has case, semirigid wheels, man-power drive for transmitting force to wings and wheels. drive includes levers, ratchet mechanism, return springs which are secured on case on one side and transmitting member for connecting the drive with wings. It is provided with two drums, two flexible tapes, and idle pulley. Ratchet mechanism consists of two parts located in first and second drums. Man-power drive consists of parallel levers having supports at opposite ends, and slide block used for interconnecting both levers and mounted for motion along these levers. End of one lever is connected with transmitting member for applying man power to wings forming mechanical resonance system. EFFECT: enhanced efficiency. 3 dwg