Envelope flap opener

申请公布号：US4318265(A)

申请号：US19800119917

申请日期：1980.02.08

申请公布日期：1982.03.09

申请人：

BELL & HOWELL COMPANY

发明人：ORSINGER, WINSTON A.;FALLOS, GEORGE

分类号：B43M3/00;(IPC1-7):B31B1/56;B65B43/39

主分类号：B43M3/00

摘要：An envelope flap opening apparatus 11 includes a suction cup 21 mounted on a slidable rotatable shaft 23. The shaft 23 both rotates the suction cup 21 so as to partially open an envelope flap 17 engaged thereby and advances the suction cup 21 alongside the travelling envelope 15 until the partially opened flap 17 passes beneath a stationary blade member 91 which fully opens the envelope flap 17.

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