Item handling system with tracking

Manufacturing container or tube from paper; or other manufacturi – Control means energized in response to activator stimulated... – Responsive to work material – the product or means engaging...

Reexamination Certificate

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C493S018000, C493S187000, C053S076000

Reexamination Certificate

active

08047976

ABSTRACT:
An item handling system includes a vacuum source, a transport element defining a plurality of vacuum openings in fluid communication with the vacuum source to create a securing force on an item proximate to the transport element for holding the item in contact with the transport element, and a drive element for driving the transport element to transport the item. The transport element further defines a plurality of sensor openings arranged in two substantially parallel arrays along a longitudinal direction of the transport element. The system further includes a sensor associated with each array of sensor openings for sensing energy passing through the sensor openings to thereby sense the item on the transport element. Each sensor is disposed at a common longitudinal position relative to the transport element. Sensing the item corresponds to a condition where the sensor associated with each array is blocked.

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patent: 2008/0218576 (2008-09-01), Phillips et al.
patent: 2010/0219046 (2010-09-01), Williams et al.

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