Patent ID: 6863165

Claim:
An overload protection arrangement for a portable power tool, comprising a magnetic clutch ( 5 ) arranged in a drive train of the power tool between an electromotor ( 1 ) and a tool chuck ( 3 ); control electronics ( 6 ) for controlling the magnetic clutch ( 5 ) and which, upon an overload of the drive train, by controlling an operation of the magnetic clutch ( 5 ), keeps the drive train open until the control electronic is reset upon the overload being eliminated, whereby the drive train becomes closed; a self-actuated, torque-dependent overload clutch ( 7 ) likewise arranged in the drive train; and a sensor ( 8 ) for detecting an open condition of the overload clutch ( 7 ) upon the overload of the drive train and connected with the control electronics ( 6 ).