Feed roll for power operated trimming tool
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United States of America Patent
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Dec 27, 2022
Grant Date -
N/A
app pub date -
Jul 16, 2021
filing date -
Jul 21, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A power-driven feed roll for rotation about a feed roll axis of rotation in a hand-held, power operated trimming tool, the feed roll including a cylindrical core having an inner surface defining a through bore and an outer surface including a central cylindrical recess bounded by a base and first and second radially extending side walls at opposite ends of the base and first and second flanking portions on either side of the cylindrical recess. The feed roll further includes an annular drive member formed over the cylindrical recess and integral with the cylindrical core, the annular drive member extending along the first and second radially extending side walls of cylindrical recess and protruding radially outwardly, an outer surface of the annular drive member defining a worm gear for driving the feed roll about the axis of rotation. The first and second flanking portions including annular sets of drive teeth.
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