FEEDER SYSTEM FOR ELECTRIC WORKING MACHINE

摘要

PROBLEM TO BE SOLVED: To provide a feeder system for an electric working machine capable of preventing the damage to a slip ring, the damage and severance of a cable, a risk of causing an accident by short circuit, or the like by preventing excessive tensile force from being applied to a feeder cable for supplying electricity to the electric working machine. SOLUTION: The feeder system for the electric working machine comprises an initial power receiving means to which the feeder cable connected to an external power source is connected; a tension detecting means for detecting tension applied to the feeder cable; and a working machine stop means for stopping the operation of an alarm means for alarming to the effect and/or the operation of the electric working machine when detected tension exceeds a predetermined value. COPYRIGHT: (C)2008,JPO&INPIT