Gap optimizer

Details Gap optimizer Gap optimizer

1996-04-16

1998-03-24

Krizek, Janice L.

Conveyors: power-driven

Conveyor system for arranging or rearranging stream of items

By longitudinally respacing successive articles in stream

19878106, 198784, B65G 1304

Patent

active

057302740

ABSTRACT:
An apparatus for optimizing the gap between objects on a roller conveyor is provide which enables independent precise speed and acceleration control of individual rollers and articles carried thereon using small, relatively inexpensive motors and control equipment. The present invention consists of adding a differential drive to the roller, arranged so that the majority of the power is transmitted from a common drive through a low ratio input of the differential drive of each roller. A smaller motor capable of more precise control is connected to the high ratio input of the differential drive of each roller. Thus the speed of an individual roller can be altered by adding to or subtracting from the speed of the main drive.

REFERENCES:
patent: 5137139 (1992-08-01), Ruscello
patent: 5201397 (1993-04-01), Isaacs
patent: 5285887 (1994-02-01), Hall

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