ANTI-ROTATION KNURLS
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United States of America Patent
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Issued Date -
Mar 27, 2014
app pub date -
Sep 27, 2013
filing date -
Sep 27, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A filter assembly that includes a shell having anti-rotation features that prevent rotation of the shell relative to the nutplate and a method for producing the disclosed filter assembly are described. The anti-rotation features are knurls and/or surface disruptions that are formed on a surface of a flange on an open end of the shell. The knurls and/or surface disruptions that are formed on a surface on the flange can aid in gripping a surface of an upper groove of the nutplate.
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