Patent ID: 8373094

Claim:
A self-adjusting liner assembly for a welding torch comprising: a main body that is elongated and tubular and that has forward and rearward ends; a retainer that is elongated and tubular and includes a shoulder mountable in the main body; a piston member that is elongated and tubular and includes a shoulder, the piston member cooperating with the retainer in a telescoping relationship in the main body; a resilient member disposed in the main body, the resilient member enveloping a portion of the retainer and the piston member, the resilient member urging the shoulder of the retainer and the shoulder of the piston member away from each other and constantly urging the piston member toward the forward end of the main body; the retainer including a recess opposite the piston member; and an inlet liner receivable in the recess of the retainer, the inlet liner providing a channel through which welding wire passes.