Patent ID: 8366498

Claim:
A power jack ( 27 ) for a welding device ( 1 ), in particular an electrode and/or TIG welding device, wherein the power jack ( 27 ), which is made of conductive material, includes a bore ( 28 ) for receiving a plug element ( 29 ) attached to a hose pack, and an axial guide groove ( 33 ) is disposed in the bore ( 28 ), said guide groove ( 33 ) being guided towards outside via a longitudinal groove ( 34 ) such that a guide pin ( 35 ) disposed on the plug element ( 29 ) can be inserted and rotated, wherein, in the bore ( 28 ), a radial groove ( 36 ) is disposed and a retaining element ( 38 ; 43 ; 45 ; 47 ) is positioned, preferably in the intersecting region of the groove ( 36 ) and the longitudinal groove ( 34 ), and wherein a spring element ( 40 ) designed to transmit power, in particular a spiral spring, is disposed in the groove ( 36 ), said spring element ( 40 ) protruding from the groove ( 36 ) and thereby reducing the diameter of the bore ( 28 ), wherein the retaining element ( 38 ; 43 ; 45 ; 47 ) forms a stop surface ( 41 ) for the ends of the spring element ( 40 ) formed over only a part of the entire periphery.