Powered roller accumulation conveyor

Details Powered roller accumulation conveyor Powered roller accumulation conveyor

B - Operations, Transporting

65

G

201/87

B65G 13/02 (2006.01)

Patent

CA 1077878

POWERED ROLLER ACCUMULATION CONVEYOR ABSTRACT OF THE DISCLOSURE This invention disclose an accumulation conveyor of the powered roller type, having a power-driven belt passing through a plurality of independent operating zones arranged in tandem along the length of the conveyor. The belt is held in contact with the driven rollers by resiliently-biased pressure rollers, the pressure rollers exerting at least sufficient pressure to maintain the belt in contact with the driven rollers. In each zone, additional pressure is applied to the pressure rollers to increase or decrease the pressure of the belt against the driven rollers. This pressure is applied by spring-biased roller cams actuated by linkages responsive to load-sensing means in a downstream zone and whereby the kinetic energy generated by the moving load is used to actuate the cams. This application is a continuation of United States Serial Number 713,092 filed August 10, 1976, now pending.

306825

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