VERTICAL ROLLER-TYPE GRINDING BLADE AND GRINDER INCLUDING SAME
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United States of America Patent
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Issued Date -
Jun 25, 2020
app pub date -
Mar 26, 2018
filing date -
May 19, 2017
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Abstract
The present invention provides a vertical roller-type grinding blade and a grinder including the same, the blade comprising: an outer blade having a hollow space formed therein; and an inner blade which can be installed to be rotated by a rotating shaft in the hollow space of the outer blade and includes at least two eccentric rollers installed to each other such that a center line and a rotation axis of each roller are misaligned and eccentric to each other, wherein the center lines of the eccentric rollers are misaligned and eccentric to each other.
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