ARTICLE ACCUMULATION METHOD AND APPARATUS
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United States of America Patent
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N/A
Issued Date -
May 31, 2007
app pub date -
Nov 13, 2006
filing date -
Nov 15, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and apparatus for accumulating articles includes providing a conveying surface adapted to convey articles from an upstream direction towards the downstream direction. The conveying surface is divided into a plurality of tandem zones. Individual zones are activated to convey articles and deactivated to accumulate articles. A particular zone is actuated if no article is sensed in that particular zone and an article is sensed in an adjacent upstream zone. The particular zone and adjacent upstream zone are actuated sufficiently to position a first article at an upstream portion of the particular zone and re-actuated in response to sensing a second article at the adjacent upstream zone and deactuated with the first and second articles in the particular zone.
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