Drive shaft for a peristaltic pump
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United States of America Patent
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Feb 17, 1998
Grant Date -
N/A
app pub date -
Jan 11, 1996
filing date -
Apr 24, 1992
priority date (Note) -
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Abstract
A drive shaft for at least a rotating roller wherein the external portion of said drive shaft has surfaces treated by projection of particles to impart to it a controlled roughness designed to enable slip-free non-gear-like tooth drive of the roller by the shaft.
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