METHOD AND APPARATUS FOR AUTOMATED FILLING OF MAIL TRAYS
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United States of America Patent
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app pub date -
Jun 5, 2012
filing date -
Jun 5, 2012
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Abandoned
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Abstract
A mail tray filler includes a filling mechanism that is vertically movable to be lowered and lifted into and out of a mail tray. With the mechanism in the raised position an empty mail tray is moved into position to underneath the mechanism. The mechanism lowers a feeding arm down into the first mail tray to feed envelopes starting at a forward end of the mail tray. The apparatus detects a pack pressure of the envelopes. When the pack pressure exceeds a predetermined threshold, the relative position of the feed arm is moved towards a back end of the mail tray to make room for more envelopes. After the pack pressure is below the predetermined threshold feeding continues. When the tray is full, the feeding arm is lifted from the mail tray, and a next empty mail tray is advanced.
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