Auto darkening filter adapter frame assembly for a welding helmet
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United States of America Patent
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May 26, 2015
Grant Date -
Apr 25, 2013
app pub date -
Oct 19, 2011
filing date -
Oct 19, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An adapter frame assembly is provided to receive and support an extra-large 110 mm×110 mm ADF, safety lens and diopter within the viewing window of an existing welding helmet. The adapter frame assembly provides for replacement of the safety lens without removing the ADF and installation or removal of a diopter without removing the safety lens or diopter. The ADF, safety lens and diopter are all easy to install and change.
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