Variable speed pulley - screw mechanism Variable speed pulley - screw mechanism from J Moller Variable speed pulley - screw mechanism Variable speed pulley - screw mechanism - Speed variation is acomplished by increasing/decreasing the pulley's channel. gLike Variable speed pulley - screw mechanism Variable speed pulley - screw mechanism - Speed variation is acomplished by increasing/decreasing the pulley's channel. 3D Modeling Share R 7 n J Moller Mechanical Design Engineer Sydney, Australia Follow Contact