Pulley with belt-wiping surfaces
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United States of America Patent
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-
Apr 6, 2004
Issued Date -
N/A
app pub date -
Oct 30, 2000
filing date -
May 27, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
A pulley plate, a pulley and a belt drive system are disclosed. Each include a pulley plate or a pulley having an inner surface adapted to be driven about an axis of rotation and having a perimeter. The inner surface additionally includes a plurality of belt-wiping grooves at least partially between the axis and the perimeter. The plurality of belt-wiping grooves are located or patterned in the inner surface so as to contact the belt in different locations to reduce wear on the wall of the belt. In one embodiment, the plurality of belt-wiping grooves are centered about the axis and are unequally circumferentially spaced from one another. In another embodiment, the plurality of belt-wiping grooves are centered about a center offset from the axis.
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