Blender
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United States of America Patent
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Sep 17, 2024
Grant Date -
Nov 11, 2021
app pub date -
Sep 11, 2019
filing date -
Sep 12, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A blender includes a blender body including an external cylinder, a grinding blade, and a blade driving portion rotating the grinding blade; and an internal cylinder unit including an internal cylinder, disposed in the external cylinder, in which the grinding blade is disposed, and having an internal side surface, on which at least one projection is formed, and an internal cylinder driving portion rotating the internal cylinder, wherein the internal cylinder driving portion rotates the internal cylinder with an internal cylinder driving motor in a direction opposing a rotational direction of the grinding blade, and includes a blocking member preventing the internal cylinder from rotating in the same direction as the rotational direction of the grinding blade.
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