Remote-controlled machine tool for hot chambers of nuclear energy plants

Claim 1

IN A REMOTELY CONTROLLED MACHINE TOOL FOR USE IN A HOT CHAMBER OF AN ATOMIC POWER PLANT, THE COMBINATION COMPRISING: (A) A STATIONARY MACHINE BASE; (B) WORKPIECE CLAMPING MEANS WITHIN SAID BASE, ADAPTED TO HOLD AND STABILIZE A WORKPIECE TO BE MACHINED; (C) ROTATABLE MEANS ENGAGEABLE WITH SAID CLAMPING MEANS TO CAUSE CLAMPING OPERATION THEREOF; (D) A ROTATABLE, AXIALLY STATIONARY, DRIVING CYLINDER, MOUNTED AROUND SAID BASE AND COAXIAL THEREWITH; (E) A TOOL TABLE, INCLUDING AN ADJUSTABLE MACHINE TOOL ADAPTED TO ENGAGE THE WORKPIECE HELD BY SAID CLAMPING MEANS; SAID TOOL TABLE BEING THREADEDLY MOUNTED ON SAID DRIVING CYLINDER WHEREBY RELATIVE ROTATION OF SAID CYLINDER AND TABLE CAUSES RELATIVE AXIAL DISPLACEMENT THEREOF; (F) AN EPICYCLIC TRANSMISSION SYSTEM INTERCONNECTING SAID DRIVING CYLINDER AND SAID TOOL TABLE TO CAUSE RELATIVE ROTATION THEREOF; (G) A SATELLITE CAGE, INCLUDED INN SAID EPICYCLIC SYSTEM, ROTATABLE ABOUT SAID DRIVING CYLINDER TO CAUSE RELATIVE ROTATION AND AXIAL DISPLACEMENT OF SAID DRIVING CYLINDER AND TABLE, INDEPENDENTLY OF THE ROTATION OF SAID DRIVING CYLINDER, AND (H) POWER MEANS FOR DRIVING SAID ROTATABLE MEANS ENGAGEABLE WITH SAID CLAMPING MEANS, SAID DRIVING CYLINDER AND SAID ROTATABLE CAGE.