Space-saving inching device

Claim 1

An inching device for operating a conveyor, machine tool or the like alternatively at a normal operating speed, and at a low speed for inspection or maintenance, comprising: a first speed reducer comprising a frame having a base, a plurality of side walls extending upward from the base, and a top wall, two input shafts and a driving shaft, and bearing means for rotatably supporting each of said shafts, said bearing means being mounted in the frame; a driving motor connected to one of said input shafts of the first speed reducer; and a second speed reducer comprising a low-speed motor, an output shaft, and means connecting said low-speed motor in driving relationship to said output shaft, said connecting means including one-way clutch means for transmitting torque from said low-speed motor to said output shaft, and preventing the transmission of torque from said output shaft to said low-speed motor, and said output shaft of the second speed reducer being connected to the other input shaft of the first speed reducer; wherein said driving motor and said second speed reducer are each mounted on one of said top and side walls of the frame of the first speed reducer, whereby the driving motor and second speed reducer are supported entirely by said frame.