| 摘要 |
PURPOSE: A pulley for a sawtooth attached belt is provided to prevent a fluid sound and rupture sound by dividing a disc into a plurality of discs. CONSTITUTION: A pulley(100) for a sawtooth attached belt includes a disc. The disc comprises a saw blade(101). The inner circumference of the saw blade is inserted in a rotary shaft. The outer periphery of the saw blade is hung and fitted in the sawtooth attached belt. The disc is partitioned into a plurality of discs(105,106) to the rotation axis direction. A plurality of discs forms gap(120) to the rotation axis direction. A plurality of discs are inserted to a gap.
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