Endless belt power transmission systems or components – Friction drive pulley or guide roll – Including nonmetallic belt-engaging surface portion
Patent
1990-01-25
1990-11-27
Bui, Thuy M.
Endless belt power transmission systems or components
Friction drive pulley or guide roll
Including nonmetallic belt-engaging surface portion
F16H 5536
Patent
active
049732927
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.
REFERENCES:
patent: 1434239 (1922-10-01), Williams
patent: 2836982 (1958-06-01), Voss et al.
patent: 4217944 (1980-08-01), Pascal
Bui Thuy M.
Litens Automotive Partnership
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