Car wash conveyor dolly and method of making same

摘要

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.

主权项

1. A car wash conveyor dolly adapted to move along and in rolling relation to a conveyor track comprising:
an axle; at least one pair of cylindrical stainless steel journals mounted on said axle and having external bearing surfaces; at least one pair of rollers mounted on said journal surfaces for rotation relative thereto, wherein said journals exhibit a surface structure produced by nitrocarburizing and polishing prior to assembly; and wherein the rollers are polymeric.