Contactor for welding wire feeder
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Feb 22, 2007
app pub date -
Aug 17, 2005
filing date -
Aug 17, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Portable welding wire feeders for providing welding wire and power to a welding torch, including a contactor with first and second copper or tellurium copper terminal studs, a conductive bridge member movable to electrically connect or isolate the terminals, and an actuator to control movement of the bridge according to a control signal. The contactor may also include a thermal sensor and the wire feeding apparatus may include a control circuit to provide the contactor control signal according to a temperature signal from the thermal sensor and according to a trigger signal from a welding torch.
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