Electric heating – Metal heating – By arc
Reexamination Certificate
2006-09-12
2006-09-12
Tran, Len (Department: 1725)
Electric heating
Metal heating
By arc
C219S137310
Reexamination Certificate
active
07105775
ABSTRACT:
A welding gun adapted to secure a contact tip within the welding gun without threading the contact tip and without the use of tools. The contact tip may be adapted to abut a surface of a first member disposed within the welding gun. The surface may be a surface of a gas diffuser. The surface may be adapted to abut the contact tip. The contact tip also may be adapted for abutment with a second member to urge the contact tip toward the first member. The second member may be a portion of a nozzle adapted to abut the contact tip to urge the contact tip toward the surface of the first member. A method of assembling a welding gun also is provided. The method may comprise disposing a contact tip between a first and a second member and capturing the contact tip between the first and second members.
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Fetcher Yoder
Illinois Tool Works Inc.
Tran Len
LandOfFree
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