Miniature welding gun

Details Miniature welding gun Miniature welding gun

2007-07-10

2007-07-10

Tran, Len (Department: 1725)

Electric heating

Metal heating

By arc

C219S137700

Reexamination Certificate

active

10818955

ABSTRACT:
A welding gun includes a motor, a wire feed mechanism, a power block, a welding tip, a and a cup. A substantially rigid shell surrounds the motor to form a handle. A gas passage for receiving inert gas from an inert gas source and delivering the inert gas to the gas path in the torch barrel extends at least partially within the handle.

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Figure 1 is an assembly drawing of a welding gun that was on sale before Dec. 19, 2001.
Figure 2 is an assembly drawing of a welding gun that was on sale before Dec. 19, 2001.
Figure 3 is an assembly drawing of the Cobra™ welding gun, which was discussed in the Summary of the Invention and was on sale before Dec. 19, 2001.

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