Vacuum cleaner
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United States of America
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app pub date -
Dec 28, 2017
filing date -
Dec 28, 2017
priority date (Note) -
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Abstract
Disclosed herein is a vacuum cleaner including a brush to rotate and collect foreign materials on the floor, and a grinder to grind the foreign materials collected through the brush. Since the hair-like foreign materials wound around the brush are grinded and cut by the grinders, a cleaning cycle of the brush can be extended.
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