发明名称 Cushioning apparatus for web roll let-off and method
摘要 Apparatus and method for cushioning the impact when placing a web roll on a belt let-off has pneumatic cylinders (A) operating bell crank arms (B) for raising a roll carried on one end (C) while lowering a roll (D) carried on an opposite end of the bell crank for tightening the belt (F) ejecting an empty core roll preparatory to receiving a web roll (W) which is supported by the arms (B) while being lowered and cushioned by the air cylinders until it is received and supported for rotation in a cradle formed by the belt (F) for unwinding.
申请公布号 US5893530(A) 申请公布日期 1999.04.13
申请号 US19970844959 申请日期 1997.04.23
申请人 ALEXANDER MACHINERY, INC. 发明人 ALEXANDER, III, WILLIAM J.;BLEGEN, MINNERD A.
分类号 B65H16/10;B65H19/12;(IPC1-7):B65H19/00 主分类号 B65H16/10
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