公开(公告)号：US3626773A

公开(公告)日：1971-12-14

申请号：US3626773D

申请日：1970-05-06

申请人： FREDRICK L LOEFFLER

发明人： LOEFFLER FREDRICK L

IPC分类号： B65G39/073 ,  F16H55/36 ,  F16H57/04

CPC分类号： F16H57/04 ,  B65G39/073 ,  F16H55/36

摘要： A SELF-CLEANING PULLEY HAVING A SHAFT WITH SCREW MEANS MOUNTED THEREON. A BELT ENGAGING SURFACE IS PROVIDED BY MEMBERS DISPOSED ON THE OUTER PERIPHERY OF THE SCREW MEANS. THE BELT ENGAGING SURFACE HAS CONTINUOUS CIRCUM-

FERENTIALLY AND TRANSVERSELY EXTENDING PORTIONS TO PROVIDE CONTINUOUS CIRCUMFERENTIAL AND TRANSVERSE CONTACT WITH THE BELT.