VORSCHUBEINRICHTUNG FUER WERKZEUGMASCHINEN

摘要

An apparatus for feeding a workpiece to a machine is provided which may be driven by either a handcrank or an electric motor. The handcrank and the motor are each coupled to the apparatus by a clutch. The clutch for the handcrank is spring biased to a disengaged condition. A selector lever for engaging the clutch associated with the motor and for actuating the motor is also provided. The selector lever and the handcrank are oriented such that only one of them may be in driving relationship with the apparatus at any one given time.