Patent ID: 6821157
Filing Date: 2004-11-23
Classification: B25B

Abstract:
A portable power tool, comprising:at least one signal producing element for delivering at least one of command signals and operation related signals; an operation control unit, located remotely from the tool, for at least one of controlling and monitoring the tool; a multi-core cable connecting the tool to the control unit, and including a multi-connector plug which is connectable with a mating multi-connector jack on the tool to thereby communicate electric power and the at least one of the command and operation related signals between the tool and the control unit; and a separate upgrading module including (i) the at least one signal producing element, (ii) a secondary multi-connector plug on a first side for interconnection with the multi-connector jack on the tool, and (iii) a secondary multi-connector jack on a second side for interconnection with the multi-connector plug on the cable; wherein the at least one signal producing element is specifically adapted to particular tool operator demands, and the upgrading module comprises a disconnectable adapter which is adapted to be interchangeably inserted between the cable and the tool.