Working device portable on the operator's back

Claim 1

A WORK PERFORMING TOOL FOR UNIVERSAL MOVEMENT OF THE TOOL IN THREE DIMENSIONS BY AN OPERATOR COMPRISING A HOUSED POWER CONVEYING SHAFT INCLUDING FLEXIBLE SHAFT SECTIONS, EACH HAVING A FLEXIBLE TUBING SECTION SURROUNDING A FLEXIBLE CORE, MEANS TO SUPPLY POWER TO ONE END OF ONE FLEXIBLE CORE IN ONE FLEXIBLE SHAFT SECTION, MEANS TO MOUNT A WORKING TOOL WITH A HOUSING ON THE OUTER END OF THE OTHER FLEXIBLE SHAFT WITH THE TOOL CONNECTED TO THE FLEXIBLE CORE OF SAID OTHER FLEXIBLE SHAFT SECTION WHILE PREVENTING THE HOUSING OF SAID TOOL FROM MOVING RELATIVE TO THE OTHER END OF SAID OTHER FLEXIBLE TUBING SECTION, A FIRST RIGID TUBING EXTENDING BETWEEN SAID FLEXIBLE TUBING SECTIONS AND SAID FLEXIBLE CORE AND SPACED FROM BOTH OUTER ENDS OF THE FLEXIBLE SHAFT TUBING SECTIONS AND SECURED TO SAID FLEXIBLE TUBING SECTIONS AGAINST LONGITUDINAL AND ROTATIVE MOVEMENT PREVENTING BENDING OF SAID CORE WITHIN SAID FIRST RIGID TUBING, A SECOND AND SHORTER RIGID TUBING MOUNTED ON SAID FIRST RIGID TUBING FOR LONGITUDINAL AND ROTATIONAL MOVEMENT RELATIVE TO SAID FIRST RIGID TUBING, A CONNECTING ROD CONNECTING SAID SECOND RIGID TUBING TO THE HOUSING TO THE SAID TOOL WHEREBY SAID TOOL CAN BE MANIPULATED BY SAID FIRST AND SECOND RIGID TUBINGS TO MOVE IN THREE DIMENSIONS FOR PERFORMING WORK IN ANY PLANE AT ANY ANGLE.