Pneumatic spinner drive tensioning assembly
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United States of America Patent
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-
Oct 25, 2005
Grant Date -
Sep 16, 2004
app pub date -
Mar 11, 2003
filing date -
Mar 11, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An pneumatic tensioner apparatus is disclosed, the apparatus including: a main drive belt; a chuck assembly, suspended from the main drive belt, having a spinning member and a drive contact portion; a first frictional drive belt in a first track, the first frictional drive belt in contact with the drive contact portion operative to spin the chuck assembly; and a first tension adjusting device having at least one pneumatic tension adjustment member operative to apply pressure to the first frictional drive belt tangentially to the drive contact portion.
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