VIBRATION GENERATING MECHANISM FOR A VIBRATING SCREEN BOX
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United States of America Patent
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Issued Date -
Jul 7, 2022
app pub date -
Mar 25, 2022
filing date -
Jan 23, 2018
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Abstract
A vibration generating mechanism for a screen box includes a drive shaft arranged to be rotatably driven by a drive motor, at least one first eccentric out-of-balance weight fixed with respect to the drive shaft for rotation therewith and at least one second eccentric out-of-balance weight coupled to the drive shaft via gearing. The first and second out-of-balance weights rotate in opposite directions when driven by the drive shaft.
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