Steel rimmed plastic pulley
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United States of America Patent
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-
Nov 27, 1990
Grant Date -
N/A
app pub date -
Jan 25, 1990
filing date -
Jan 25, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pulley for engaging an endless belt or the like suitable for automotive vehicular use comprising an annular body of plastic material including an annular inner hub portion defining a central axis, an annular outer peripheral portion and an intermediate portion integrally interconnecting the annular outer peripheral portion in concentric relation with the inner hub portion, and a temperature compensating-wear resistant rim structure formed of metal. The rim structure is formed with a series of wear resistant arcuate sections spaed apart with a temperature compensating connecting section extending between adjacent ends of adjacent arcuate sections. The arcuate sections include inwardly facing surfaces and the peripheral portion of the annular plastic body include surfaces secured to the inwardly facing surfaces of the arcuate section and the connecting sections therebetween so that the arcuate sections present outwardly facing arcuately surfaces disposed within a surface of revolution about the axis of the hub portion for engaging the endless belt.
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