Patent ID: 9333585
Filing Date: 2016-05-10
CPC Classification: B23K

Claim Text:
1. A welding wire feed system, comprising: a wire feed wheel comprising an outer circumference with at least one outer circumferential groove, a central passage, first and second axial ends, first and second opposite slots extending between the first and second axial ends and opening into the central passage, at least one recess that opens into the central passage at the first axial end, and a first inner recess that extends along an inner circumference of the central passage from the first opposite slot to the at least one recess, and a second inner recess that extends along the inner circumference of the central passage from the second opposite slot to the at least one recess; and a drive shaft comprising at least one prong configured to pass along the first or second opposite slot during insertion and removal of the drive shaft relative to the central passage, and the at least one prong is configured to rotate from the first or second opposite slot to the at least one recess at the first axial end.