Invention Grant
US08985029B2 Car wash conveyor dolly and method of making same 有权
洗车台车及其制作方法

Car wash conveyor dolly and method of making same
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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