Sliver drawing rollers driven by belts including belt cleaners
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United States of America Patent
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May 24, 1994
Grant Date -
N/A
app pub date -
May 31, 1991
filing date -
Oct 17, 1989
priority date (Note) -
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Abstract
Drawing frame for drawing fiber sliver with draw frame rollers comprising a pair of pre-drawing rollers and a main drawing roller pair. Power transmission members in the form of flat belts are used for driving the draw frame rollers. A deflection pulley engages the flat belts between respective pairs of wheels deflecting the belts for increasing the angle that the flat belt extends around the respective wheels to provide a non-slip engagement between the flat belts and the respective wheels.
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