METHOD AND APPARATUS FOR SHEET AND CARTON BLANK ALIGNING
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United States of America Patent
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N/A
Issued Date -
Jul 4, 2013
app pub date -
Nov 27, 2012
filing date -
Dec 29, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Apparatus and a method aligns and orients a moving article, such as a sheet or a carton blank during processing of the sheet/carton blank, relative to its intended path of travel through a conveyor-type assembly machine. In one embodiment, a pair of sensors detect passage of respective laterally spaced leading edge portions of the moving sheet and provide inputs to a controller which, in turn, provides an appropriate signal to one of a pair of spaced sheet-gripping rollers in contact with the respective laterally spaced portions of the sheet for aligning, or squaring, the sheet's leading edge relative to its intended path through the assembly machine. In another embodiment, a single sensor detects a linear lateral edge of the sheet and a single drive element orients and aligns the sheet's edge so that it is coincident with and parallel to a linear target line defining the intended path of travel.
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