Envelope opening apparatus

Details Envelope opening apparatus Envelope opening apparatus

1996-01-18

1998-02-10

Coan, James F.

Package making

Means to open or erect receptacle

Means to open envelope

533817, 533811, 493245, B65B 4326

Patent

active

057156484

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 pair of pivotable paddles located beneath the closing flap and the front panel, each of the paddles having an interior end and an exterior end; a pair of pivotable, hold-down fingers located above and spaced from the pivotable paddles; a device for rotating the interior ends of the paddles downward; and a device for pivoting the hold-down fingers into engagement with the paddles when the ends of the paddles are rotated downward, whereby the front and back panels of the envelope is caused to separate.

REFERENCES:
patent: 3910007 (1975-10-01), Dorer
patent: 4337609 (1982-07-01), Foster et al.
patent: 4766715 (1988-08-01), Dimur
patent: 4999972 (1991-03-01), Foster
patent: 5138816 (1992-08-01), Holbrook et al.
patent: 5168689 (1992-12-01), Macelis
patent: 5247780 (1993-09-01), Kulpa et al.
patent: 5255498 (1993-10-01), Hotchkiss et al.
patent: 5414977 (1995-05-01), Cohen

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