Patent ID: 9713853
Date: 2017-07-25
CPC Classifications: B23K,B65H

Claim:
1. A wire feeder, comprising: a wire drive mechanism; a housing which contains said wire drive mechanism, said housing having a moveable cover portion which allows access to at least some of said wire drive mechanism when said cover portion is moved to an open position, and said wire drive mechanism directs a wire to an exit for said wire in said housing; a power block portion coupled to said housing at said exit, said power block portion having at least one passage which passes through said power block portion to provide access from inside of said housing to outside of said housing, said at least one passage having a shoulder portion within said at least one passage; and a liner guide assembly comprising a liner guide body portion and a wire nipple portion, said liner guide body portion has a passage through said liner guide body portion, an exterior shoulder portion on an outer surface of said liner guide body portion and an interior shoulder portion on an interior of said passage through said liner guide body portion, and said nipple portion is inserted into an interior end of said passage through said liner guide body portion; wherein said liner guide assembly is inserted into said at least one passage such that said exterior shoulder portion of said liner guide body portion engages with said shoulder portion in said at least one passage of the power block portion, and wherein a containment cavity is created between a distal end face of said wire nipple portion and said interior shoulder portion of said passage through said liner guide body portion, and said containment cavity opens to said interior of said wire feeder when said nipple portion is removed.