In-feed systems for chippers or grinders, and chippers and grinders having same
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United States of America Patent
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Jul 16, 2019
Grant Date -
Nov 9, 2017
app pub date -
May 3, 2016
filing date -
May 3, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
An infeed system is provided for a chipper or grinder having a processing portion wherein an item is processed into smaller pieces. The infeed system is upstream of the processing portion and includes a feed roller, a first hydraulic motor in communication with the feed roller for selectively actuating the feed roller, a second hydraulic motor in communication with the feed roller for selectively actuating the feed roller, and a hydraulic pump for providing hydraulic fluid to the first and second motors. A directional control valve and a relational control valve are between the pump and the motors. The directional control valve allows the hydraulic fluid to operate the first and second motors in a forward direction and in a reverse direction, and the relational control valve allows the hydraulic fluid to operate the first and second motors in series and in parallel.
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