TEETH PART, BINDER, PAPER-PROCESSING APPARATUS, AND IMAGE FORMATION SYSTEM
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United States of America Patent
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Issued Date -
Oct 8, 2020
app pub date -
May 31, 2017
filing date -
May 31, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A pair of tooth portions has a plurality of convex portions and is arranged to engage with each other when approaching each other. The convex portion of at least one tooth portion of the pair of tooth portions has, on an opposing surface thereof opposing the convex portion of the other tooth portion, an abutting surface abutting against the convex portion of the other tooth portion when the pair of tooth portions is engaged with each other and a non-abutting surface not abutting against the convex portion of the other tooth portion when the pair of tooth portions is engaged with each other.
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