Vibrator
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United States of America Patent
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Aug 16, 1988
Grant Date -
N/A
app pub date -
Feb 17, 1987
filing date -
Apr 25, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A vibrator for providing revolving vibration to a body to be vibrated such as a dispersion table of a vibration feeder or a sieve stack of a screening machine. In this vibrator, it is possible not only to control the amplitude of vibration but also to obtain a uniform vibration amplitude everywhere in the vibrating body inclusive of its center. A unique feature of this vibrator involves a plurality of armatures fixed to and around a vibrating member and actuated by associated electromagnets energized with multiphase a.c. power.
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