Pulley and CT scanner
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United States of America Patent
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Feb 19, 2002
Grant Date -
N/A
app pub date -
Sep 19, 1998
filing date -
Sep 26, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
With a view of facilitating the manufacture and reducing the cost, a pulley according to the present invention comprises an annular portion 100 formed by laminating rings 110, 120 and 130 and a tooth portion formed along a circumferential surface of the annular portion 100, the tooth portion comprising a plurality of resin teeth having blades formed on the side opposite to the side which is opposed to the circumferential surface of the annular portion. The rings 110, 120 and 130 are divided into a plurality of arcuate plates 111, 112, 113, 121, 122, 123, 131, 132 and 133.
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