Snap-in grommet for a valve stem assembly
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United States of America Patent
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Aug 8, 2006
Grant Date -
Apr 28, 2005
app pub date -
Oct 24, 2003
filing date -
Oct 24, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention includes a grommet and valve stem assembly. The assembly includes a grommet having a body, a nose section at a grommet first end, a cylindrical section having a first end adjoined to the nose section and a second end from which a flange section projects radially. The flange section has a substantially flat surface opposite to the cylindrical section. At least one interface seal is formed on the flat surface as a hemispherical projection located concentrically about a grommet center axis. An axial bore passes centrally through the body, and a valve stem is configured for insertion through the grommet bore. The valve stem includes a threaded portion configured to receive a retaining nut and a flange having a substantially flat surface configured to form at least one sealing interface with the at least one interface seal when the nut is tightened to the valve stem.
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