Car wash conveyor dolly and method of making same
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United States of America Patent
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Mar 24, 2015
Grant Date -
Sep 30, 2010
app pub date -
Mar 26, 2009
filing date -
Mar 26, 2009
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Abstract
A car wash dolly of the type used in connection with multi-tier car wash conveyors comprises, in mirror image arrangement, first and second pairs of stainless steel journals having external bearing surfaces and polymeric rollers mounted for rotation on said bearing surfaces wherein the journals are nitro carburized and mechanically polished prior to assembly.
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