| 摘要 |
PURPOSE:To make replacement work for a belt easy, by interposing a bush between a moving disc pulley and a turning shaft or a support block. CONSTITUTION:A power transmission pulley 10 is constituted of a support block 12 to be attached to a turning shaft 11, a moving disc pulley 13 sliding as being guided by this support block 12, a bush 14 interposed between the moving disc pulley 13 and the turning shaft 11 or the support block 12 and a clamp device 15. With this constitution, at the time of replacement of a belt, if the bush 14 is removed, the moving disc pulley 13 is slidden by manual operation whereby it is displaceable, so that even when heavy load apparatuses are connected to both output and input shafts, replacement work for the belt can be done without moving the position of each turning shaft itself.
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