公开(公告)号：US11001478B2

公开(公告)日：2021-05-11

申请号：US15595955

申请日：2017-05-16

申请人： Xu Ming Wen ,  Gui Lin Liang ,  Ming Wei Wang ,  Fang Chi Zhang ,  Chun Lan Yu

发明人： Xu Ming Wen ,  Gui Lin Liang ,  Ming Wei Wang ,  Fang Chi Zhang ,  Chun Lan Yu

IPC分类号： B66B15/02 ,  B66D3/04 ,  B66D3/06

摘要： A modular elevator sheave comprises a mandrel body, wherein multiple sheave units are arranged side by side along the mandrel body, and wherein, the outer wall of the outer circumference of the sheave unit is provided with a groove. In this structural composition, the mandrel body with multiple sheave units, which increases the overall strength and rigidity of the sheave. Furthermore, the number of sheave unit used can be increase and decrease depending on the need or situation, and it should be noted that since the sheave unit can be replaced individually when damaged, it is easier to maintain and reduce repairing costs.