Envelope opener and load separator

Material or article handling – Device for emptying portable receptacle – With container opening means

Patent

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Details

83912, 83408, 53396, 533811, B43M 702

Patent

active

050963600

ABSTRACT:
Numbers of similar, loaded envelopes having side edge folds and end edge folds joining two rectangular panels are arranged in a stack in a drawer-like portable holder having a side opening. The drawer is installed with the envelopes disposed as a vertical stack in an elevator compartment. An elevator platform at the bottom of the stack is urged upwardly. Each successive top envelope is transferred from the stack to rollers that impel the envelope forcibly against a barrier wall to jog the load against a side edge fold. Cutters sever the other side edge fold and both end edge folds. A vacuum cup moves one of the panels to engage between stripper rollers that draw the entire envelope and the load apart. Conveyors take the separated envelope to a trash receiver and take the load to a receiver tray. There are various electrical driving, timing and performance checking devices, some optically responsive.

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