Hydraulic brake for wrap material
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United States of America Patent
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Nov 10, 2020
Grant Date -
Feb 14, 2019
app pub date -
Aug 6, 2018
filing date -
Aug 11, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
A bale wrap tensioning system includes a spindle that can be operatively coupled to a wrap material supply roll and a rotary hydraulic device that has a rotatable input shaft. The input shaft is coupled to the spindle for rotation with the wrap material supply roll. The bale wrap tensioning system includes a control valve that is operable to control a variable pressure of hydraulic fluid displaced by the rotary hydraulic device. The bale wrap tensioning system includes a controller for adjusting the control valve to alter the variable pressure of the hydraulic fluid displaced by the rotary hydraulic device.
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