Portable AC/DC wire feed welder
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United States of America Patent
Stats
-
Apr 25, 1995
Grant Date -
N/A
app pub date -
May 2, 1994
filing date -
May 2, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a preferred embodiment, a portable wire feed electric arc welder, including a cabinet, a welding gun connected to the cabinet through a flexible conduit, and a supply mechanism to continuously feed the wire to the welding gun. There is a mechanism to receive either AC or DC power into the welder and a selector mechanism to selectively switch between a first mode of operation in which welding is performed with an external DC source, a second mode of operation in which welding is performed with an external AC source, and a third mode of operation in which welding is performed with an internal AC source. The internal AC source includes a step-down transformer connected to a conventional 115 VAC power source.
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