Adjustable compliance of separation strips in a media dam
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United States of America Patent
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Dec 7, 2021
Grant Date -
Dec 24, 2020
app pub date -
Jun 18, 2019
filing date -
Jun 18, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
In a copier, printer, or similar device, paper is loaded in large quantities. To separate a top sheet of a stack of sheets from the next adjacent sheet, a dam is used, which is an element having an inclined surface in the path of the top sheet. This invention addresses devices with variably compliant separation strips, preferably a thermoplastic polyurethane elastomer such as Pellethane®, that are part of the dam, so that the leading edge of a media sheet will strike the inclined surface of the separation strip. By adjusting the compliance of the separation strip, different weights of media may be accommodated while minimizing the multi-feeds that may cause jamming of the device.
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