Vibratory device with repositionable weights and method of extending the useful life of vibratory devices
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United States of America Patent
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Aug 11, 2015
Grant Date -
Oct 31, 2013
app pub date -
Apr 27, 2012
filing date -
Apr 27, 2012
priority date (Note) -
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Abstract
A method comprises accessing a vibratory device having a rotor and first and second eccentric weights. The first weight is initially attached to the rotor's shaft in a manner such that its center of the mass is offset from the shaft in a first radial direction. The second weight is initially attached to the shaft in a manner such that its center of the mass is also offset in the first radial direction. The method further comprises reorienting the first and second weights relative to the shaft in a manner such that their centers of the mass are offset in a second radial direction. By performing these steps, the location of greatest bearing surface wear rate on the shaft is circumferentially relocated about the shaft. As such, the service life of an eccentric weight vibratory device is thereby extended.
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