Remote wire feeder

Details Remote wire feeder Remote wire feeder

2005-06-14

2005-06-14

Shaw, Clifford C. (Department: 1725)

Electric heating

Metal heating

By arc

C219S137710

Reexamination Certificate

active

06906285

ABSTRACT:
A wire feeder including a motor driving a set of feed rolls to force a welding wire from a spool through a welding torch to a welding operation. The wire feeder has an input lead to be connected to the output terminal of a remotely located power source having an on condition and an off condition where a welding current is directed to the output terminal only when the source is in the on condition. A weld starting trigger with a weld start position located adjacent the torch closes a switch when the trigger is shifted to the weld position, a circuit senses when the switch is closed, and a transmitter on the wire feeder transmits a start signal to the power source when the trigger switch is closed whereby the power source is shifted to its on condition when the trigger is in the weld position.

REFERENCES:
patent: 4608482 (1986-08-01), Cox et al.
patent: 4641292 (1987-02-01), Tunnell et al.
patent: 5276305 (1994-01-01), Hsien
patent: 0575082 (1993-12-01), None
patent: 58-107272 (1983-06-01), None

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