Opening fingers for envelope inserting apparatus

Details Opening fingers for envelope inserting apparatus Opening fingers for envelope inserting apparatus

1996-01-18

1997-10-14

Sipos, John

Package making

Means to open or erect receptacle

533813, 533815, 533817, B65B 4326

Patent

active

056759592

ABSTRACT:
Apparatus for opening an envelope having a front panel, a back panel and a closing flap. The apparatus includes: a device for supporting the envelope in a substantially horizontal plane wherein the back panel is situated above the front panel; a device for holding the closing flap below the back panel; an opening horn for separating the back panel from the front panel, the opening horn being pivotable in a vertical plane; and a device for causing the horn to initially contact the closing flap and to pivot the horn into the envelope between the front and back panels, and to raise the horn inside the envelope, whereby the front and back panels are separated.

REFERENCES:
patent: 2668053 (1954-02-01), Bach
patent: 4852334 (1989-08-01), Auerbach
patent: 4944137 (1990-07-01), Krasuski et al.
patent: 5255498 (1993-10-01), Hotchkiss et al.
patent: 5414977 (1995-05-01), Cohen
patent: 5511357 (1996-04-01), Ricketts et al.
patent: 5517797 (1996-05-01), Ballard et al.

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