DRIVERLESS VEHICLE WITH SPEED CONTROL

摘要

DRIVERLESS VEHICLE WITH SPEED CONTROL A friction driven driverless vehicle includes a frame with support wheels adapted to ride on rails. A drive wheel on the frame is provided for frictional contact with a drive shaft parallel to the rails. A motor driven cam is provided on the frame for controlling the position of the drive wheel relative to the drive shaft. The cam is coupled to the drive wheel by a cam follower and linkage.