PULLEY AND ELEVATOR

To provide a pulley that can be reduced in weight and cost while maintaining reliability.SOLUTION: A resin pulley 5A is formed while containing a resin and includes a body part 7, an inner peripheral part 9 provided on an inner peripheral side of the body part 7 and an outer peripheral part 8 provid...

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Bibliographische Detailangaben
Hauptverfasser:	NUNOE JUN, ABE TAKASHI, IIJIMA ATSUSHI, KAWAKAMI HIROSHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BLASTING ELEVATORS ENGINEERING ELEMENTS AND UNITS ESCALATORS OR MOVING WALKWAYS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HAULING HEATING HOISTING LIFTING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	To provide a pulley that can be reduced in weight and cost while maintaining reliability.SOLUTION: A resin pulley 5A is formed while containing a resin and includes a body part 7, an inner peripheral part 9 provided on an inner peripheral side of the body part 7 and an outer peripheral part 8 provided on an outer peripheral side of the body part 7. The resin pulley 5A further includes an expansion suppression part 10 of which expansion coefficient at the time of absorption of water is smaller than the body part 7.SELECTED DRAWING: Figure 2 【課題】信頼性を維持しつつ軽量化および低コスト化を図ることができるプーリーを提供する。【解決手段】樹脂プーリー５Ａは、樹脂を含んで形成され、本体部７と、本体部７の内周側に設けられた内周部９と、本体部７の外周側に設けられた外周部８と、を有する。樹脂プーリー５Ａは、本体部７よりも吸水時の膨張率が小さい膨張抑制部１０を備えた。【選択図】図２