| 摘要 |
PROBLEM TO BE SOLVED: To provide a suspension sheave capable of restraining an impulsive sound when passing through a crossing part of an overhead rail, in the horizontal wheel type suspension sheave of rotatably journaling two horizontal wheels at a predetermined interval to an upper end part of a suspension bolt for suspending a moving wall. SOLUTION: A muffling sleeve 14 is fitted to a sleeve 6 arranged between both horizontal wheels 5a and 5b. A distance between the traveling piece corner 15 and the muffling sleeve in the crossing part of the overhead rail 4, is set smaller than a distance between the horizontal wheel 5a and the side wall corner 16. COPYRIGHT: (C)2008,JPO&INPIT
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