Conveyors: power-driven – Conveyor section – Endless conveyor
Patent
1993-06-25
1994-04-19
Bidwell, James R.
Conveyors: power-driven
Conveyor section
Endless conveyor
198850, B65G 2314
Patent
active
053038177
ABSTRACT:
Plastic modular link belt conveyors are provided with an inner drive belt system disposed along a variable length of the conveyor belt at one or more positions to produce various advantages including operation of longer belts and those which have curved conveyance paths. The modular characteristics of these drive systems permit custom design in the field for different conveyor loadings, paths and loads. Thus, belt life and performance is enhanced by driving a belt with a belt drive system. The system advantageously uses standard modules of one type in both the driven and driving belts. Thus the modules have similar manufacturing tolerances and temperature characteristics. Pivoted link modules with oblong apertures in the belt drive system permits choices of modules for belt constructions compatible with curved paths. The modularized belt systems are versatile for adaptation to such applications as wide bricklayered modular belts and non-conventional conveyor needs. In the drive system integrally formed gear teeth on the modular links intermesh in the space between the transverse pivot rods in the respective innermost driving belt and the outermost driven belt. By running the inner drive belt "inside-out" modular links with drive tooth appendages extending from opposite belt sides, standard modules of the type having special conveyance structure on the conveying belt side may be used in the driving belt.
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Bidwell James R.
Brown Laurence R.
Cronvich James T.
The Laitram Corporation
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