| 摘要 |
PROBLEM TO BE SOLVED: To provide an electromagnetic clutch for compressor which is easily capable of manufacturing a pulley for polyvinyl V-belt conformed to two types of belt specifications with the same constituent parts, and also able to check an increase in cost of production, capable of preventing such a fear of unuse by a difference in the belt specifications, and simultaneously facilitating the secureness of manufacturing schedules in time of emergency even if there are many types in the belt specifications. SOLUTION: A pulley body for poly V-belt is subdivided, and a combination of common pulley parts known as intermediate pulley parts 32 and 33 is altered, whereby such a fear of unusability due to a difference in belt types is made so as to be preventable. In these pulley parts 30 to 33 comprising a pulley 9 for poly V-belt, three rugged sections 42, 46 and 52 of respective one end faces or both end faces are installed there, whereby the promotion of short- livedness in the poly V-belt due to mutual slips is obviated, thereby preventing the premature wear of this poly V-belt pulley 9 from occurring.
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