Apparatus for unfolding documents

Details Apparatus for unfolding documents Apparatus for unfolding documents

1994-06-10

1995-12-19

Sipos, John

Package making

Means to open or erect receptacle

493409, 53492, B65B 4326

Patent

active

054759668

ABSTRACT:
An apparatus for unfolding a bifolded mailpiece comprises a pair of pivotable receiving walls for receiving a bifolded mailpiece, a pair of receiving wall cylinders for pivotally moving the receiving walls and a pair of spreader walls for spreading the bifolded mailpiece received between said receiving walls, the spreader walls being pivotally mounted and actuated by a pair of spreader wall cylinders, a ram being provided for moving the spreader walls along a vertical axis to cooperate with the receiving walls to unfold the mailpiece.

REFERENCES:
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patent: 3238926 (1966-03-01), Huck
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patent: 4142430 (1979-03-01), Long et al.
patent: 4233800 (1980-11-01), Long et al.
patent: 4373848 (1983-02-01), Bishop
patent: 4636192 (1987-01-01), Vogtlander
patent: 4848126 (1989-07-01), Fryfogle
patent: 4893454 (1990-01-01), Russell
patent: 4909021 (1990-03-01), Barbour
patent: 5147169 (1992-09-01), Miller et al.
patent: 5163892 (1992-11-01), Morris

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