Patent ID: 8637788

Claim:
A conductor tube for use in a welding gun comprising: a plurality of flex joints, each flex joint of the plurality of flex joints disposed adjacent one another and placed between a welding gun handle element and a diffuser element, said each flex joint of the plurality of flex joints comprising: a body defining a proximal end portion and a distal end portion; an extension rotatably secured within the distal end portion of the body, the extension defining a head portion, the extension having an extension attachment element having an outside diameter smaller than that of the head portion; a cup disposed proximate the extension and being a separate element from the body and mounted within the body, the cup defining a concave inner surface engaged with the head portion of the extension, the cup including an annular flange; at least one spring element surrounding the annular flange of the cup; and a cap releasably secured to the proximal end portion of the body and engaged with the at least one spring element, the cap having a cap attachment element, wherein the extension attachment element of the extension is attached to the cap attachment element of the cap of an adjacent one of the each flex joints of the plurality of flex joints, the extension being attached to the diffuser element, and the body attached to the welding gun handle element.