Live roller conveyor

Details Live roller conveyor Live roller conveyor

1989-04-03

1990-12-04

Valenza, Joseph E.

Conveyors: power-driven

Conveyor section

Live roll

198790, B65G 1306

Patent

active

049747231

ABSTRACT:
A live roller conveyor comprising a plurality of rollers which provide a conveying surface for a plurality of articles supported on said surface, a first friction drive means operable to apply to at least some of the rollers a first torque, a second friction drive means operable to apply to at least some of the rollers a second torque of the opposite rotational sense to that of the first torque and a control means to control the drive means so that a variable driving force may be applied to the articles by the rollers to advance the articles along the conveyor in a first state of operation of the conveyor and to apply a reduced driving force to the articles in a second state of operation of the conveyor.

REFERENCES:
patent: 3696912 (1972-10-01), Fleischauer et al.
patent: 3729088 (1973-04-01), Vom Stein et al.
patent: 3840110 (1974-10-01), Molt et al.
patent: 4372442 (1983-02-01), Fleischauer
patent: 4572353 (1986-02-01), Felder
patent: 4588073 (1986-05-01), Abell
patent: 4819788 (1989-04-01), Van Der Schie

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