Illinois Tool Works Inc.

Illinois Took Works Inc.

Jerry Piechowski

Mark Richard Christopher

Jim Maynard

A wire feed assembly and torch and welding systems are disclosed. The wire feed assembly includes a motor drivingly connected to at least one roll of a pair of rolls. A controller is connected to the motor and is constructed to control the operation thereof. A knob is rotatably connected to the controller and facilitates an operator's adjustment of the controller. A collar is disposed between knob and the controller and is fixedly connected to the controller and engaged by the knob to resist movement of the knob and thereby adjustment of the controller.

Wire feed control assembly

A torch and a welder having a torch constructed to pull a consumable weld wire thereto are disclosed. The torch includes a wire feeder assembly having a first feed roll and a second feed roll. Operation of the feed rolls pulls a consumable weld wire to the torch. A lever selectively separates the first and the second feed rolls and is securable to allow a hands-free separation of the feed rolls.

Torch feed roll adjustment lever

A torch and a welding system having a pair of gas paths are disclosed. The torch includes a wire feed assembly and is connectable to a welding-type power source and a source of shielding gas. A power signal suitable for welding applications and a shielding gas are communicated through the torch. The shielding gas is communicated through the torch by a pair of gas passages.

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Hortonville, WI, United States of America

Jerry Piechowski