Medicine grinder
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United States of America Patent
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Nov 8, 2022
Grant Date -
Jul 8, 2021
app pub date -
Jan 2, 2020
filing date -
Jan 2, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A medicine grinder has a grinding assembly having a ring burr and a frustoconical burr being mutually rotatable relative to each other. The ring burr is tubular. The frustoconical burr is disposed within the ring burr and has multiple rough grinding edges, multiple recesses, and a non-grinding portion. The multiple rough grinding edges surround a center of the frustoconical burr. Each one of the grinding edges spirally extends about the center of the frustoconical burr. The multiple recesses are divided by the multiple rough grinding edges. One of the multiple recesses has a capacity being larger than a capacity of each one of the other recesses to define a non-grinding portion. Therefore, multiple receiving spaces are formed between the frustoconical burr and the ring burr.
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