Grounding assembly for welding wire feeder

Details Grounding assembly for welding wire feeder Grounding assembly for welding wire feeder

2006-01-06

2008-09-23

Ward, Jessica (Department: 1793)

Electric heating

Metal heating

By arc

C219S137200, C219S137310

Reexamination Certificate

active

07427726

ABSTRACT:
A portable wire feeder for providing welding wire and welding current to a welding operation includes an input electrically connected to a power source. An output is electrically connected to the input to receive welding current delivered to the input from the power source and to provide the welding current and welding wire to the welding operation through a guide hose. A motorized wire feeding system includes a motor and a feed roll driven by the motor to direct the wire from a wire supply to the output for provision of the welding wire to the welding operation through the guide hose. Power for the motorized wire feeding system is drawn from the welding current passed from the input to the output. A grounding assembly nonattachably contacts a work piece of the welding operation to electrically ground the power drawn from the welding current directly to the work piece.

REFERENCES:
patent: 1512788 (1924-10-01), Morton
patent: 4508954 (1985-04-01), Kroll
patent: 4665300 (1987-05-01), Bellefleur
patent: 5278390 (1994-01-01), Blankenship
patent: 5410126 (1995-04-01), Miller
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patent: 6213375 (2001-04-01), Rybicki
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patent: 6570130 (2003-05-01), Kooken et al.
patent: 6657163 (2003-12-01), Blankenship et al.
patent: 6705563 (2004-03-01), Luo et al.
patent: 57-019157 (1982-02-01), None
Website Information “Ground Clamps”; www.weldingsupply.com/welding supplies; Nov. 21, 2005.

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