Portable automatic machining tool for difficult access zones , machine tool is fed by flexible drive from operator backpack which has electric cable and pneumatic pipe supplies

摘要

Portable automatic machine tool for restricted access environments. The major part of the machine automatic drive is carried on the back of an operator. The machine head is linked to the drive system by flexible drive and the backpack drive is fed from and electric cable supply and pneumatic feed pipe. The machine tool head includes a differential gear and free wheel which allows at the moment of inverse rotation of motor rapid withdrawal of the tool without rotation of it..