Sheet material handling apparatus and method using a skewed sheet stack and an alignment mechanism
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United States of America Patent
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Dec 29, 1992
Grant Date -
N/A
app pub date -
Sep 30, 1991
filing date -
Sep 30, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for handling sheet material articles includes a hopper which supports a stack of sheet material articles with front edge portions of the articles skewed at an acute angle to the axis of rotation of a feed drum. A separator is sequentially engageable with a corner portion of each of the sheet material articles to move the corner portion of the sheet material article away from a next succeeding sheet material article. The feed drum pulls a sheet material article from the hopper with the front edge portion of the sheet material article skewed at an acute angle to the axis of rotation of the feed drum. While a portion of the sheet material article is still in the hopper, the sheet material article moves from between the separator and the next succeeding sheet material article to expose the next succeeding sheet material article to the separator. A conveyor receives the sheet material article from the feed drum. A plurality of alignment rods engage a leading end portion of the sheet material article as it moves toward the conveyor and rotates the sheet material article into alignment with the conveyor.
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