Apparatus for positioning web in place

Details Apparatus for positioning web in place Apparatus for positioning web in place

1996-09-10

1998-05-26

Pitts, Harold

Registers

Coded record sensors

Particular sensor structure

53451, G06K 710

Patent

active

057569797

ABSTRACT:
An apparatus for use with a web having printed thereon bar codes each identifying a container manufacturer, product, etc. and arranged longitudinally of the web at a spacing corresponding to one container, for positioning each of the bar codes in a specified position. The positioning apparatus comprises a feeder drivable by a main shaft for transporting the web via the specified position, a detector for detecting the angle of rotation of the main shaft upon the bar code moving past the specified position, and a calculating unit for calculating the deviation of the angle detected by the detector from a predetermined reference angle and determining as an amount of transport by the feeder a set value corresponding to the calculated deviation based on a predetermined relationship between deviations and set values.

REFERENCES:
patent: 4754593 (1988-07-01), Ishihara et al.
patent: 4860522 (1989-08-01), Cherney

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