Conveyors: power-driven – Conveyor system for arranging or rearranging stream of items – By laterally or vertically moving successive items in...
Patent
1974-07-16
1976-03-02
Marbert, James B.
Conveyors: power-driven
Conveyor system for arranging or rearranging stream of items
By laterally or vertically moving successive items in...
198202, 198203, B65G 1542
Patent
active
039412385
ABSTRACT:
The present disclosure is directed to sanitary conveyor belts of polypropylene or other suitable plastic material having an integrally hinged construction defined by spaced notches which define the hinge points as well as drive engagement points between the belt and the sprockets having teeth which mate with the spaced notches. The belt construction also has one or more longitudinal notched grooves which defines a tracking and aligning groove which mates with a multi-faceted aligning member arranged polygonally about the perimeter of the sprockets which support the conveyor belt to preserve its alignment with the drive sprockets.
The conveyor belt is used with an air levitation means in the form of a plenum chamber having openings to direct low pressure air against the underside of the belt to reduce friction drag when the belt is loaded.
REFERENCES:
patent: 2832228 (1958-04-01), Lorig
patent: 3245518 (1966-04-01), Reibel et al.
patent: 3666085 (1972-05-01), Folkes
patent: 3717241 (1973-02-01), Arieh
patent: 3734271 (1973-05-01), Dolgolenko et al.
Marbert James B.
The Laitram Corporation
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