Shaft-equipped grinder used in a mold-graving device
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United States of America Patent
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-
Aug 24, 1999
Grant Date -
N/A
app pub date -
Jun 19, 1997
filing date -
Jun 19, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A shaft-equipped grinder used in a mold-graving device, including a grinding member with a circular periphery and a shaft fixed on the grinding member. The shaft has a driving section with none circular cross-section, a locating section with circular cross-section and a stopper section formed as an annular groove. The grinder can be easily and quickly assembled with or disassembled from the mold-graving device. Also, the grinder can be accurately located on the mold-graving device coaxially with the rotary shaft thereof.
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