Low friction, direct drive conveyor belt
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United States of America Patent
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Dec 14, 2010
Issued Date -
N/A
app pub date -
Jan 19, 2006
filing date -
Jan 19, 2005
priority date (Note) -
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Abstract
A thermoplastic endless belt (100) has a smooth outer surface substantially free of discontinuities and an inner surface with a plurality of teeth (106) at a given belt pitch. The teeth are adapted to engage a pulley (102) with circumferentially spaced sheaves (104) at a pulley pitch greater than the belt pitch. The belt is slightly stretchable so that the pulley can drive the endless belt when engaging the teeth within a range of load on the belt. Means (132, 136, 138) are provided to minimize friction between the belt and the drive pulley. Also, a position limiter (200) ensures that the driven tooth stays engaged optimally with the drive sheave.
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