Low friction, direct drive conveyor belt

Details Low friction, direct drive conveyor belt Low friction, direct drive conveyor belt

2006-01-19

2010-12-14

Siconolfi, Robert A (Department: 3657)

Endless belt power transmission systems or components

Positive drive pulley or guide roll

With particular belt

C474S111000, C474S148000, C474S152000, C474S205000, C198S411000, C198S418000, C198S779000, C198S813000, C198S834000

Reexamination Certificate

active

07850562

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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