Envelope opening device

Details Envelope opening device Envelope opening device

1987-05-26

1988-08-30

Coan, James F.

Package making

Means to open or erect receptacle

Means to open envelope

53266A, B65H 4700

Patent

active

047667150

ABSTRACT:
The envelope opening device comprises a substantially horizontal chute (1) receiving envelopes separate from one another, with the top edges of the envelopes running along the bottom of the chute, an extraction roll (35) mounted above the chute substantially level with the bottom edges of envelopes present in the chute, an associated roll (36) mounted facing the extraction roll on a pivot arm (37) controlled to apply pressure against the extraction roll or to move away therefrom, and a blade (42) mounted beneath the extraction roll and having one end extending beyond a pressure zone defined by the rolls. This device is used in mail processing machines.

REFERENCES:
patent: 2019211 (1935-10-01), Clare
patent: 2114814 (1938-04-01), Rosebush
patent: 2668053 (1954-02-01), Bach
patent: 2766569 (1956-10-01), Strother et al.
patent: 2915863 (1959-12-01), Kummer
patent: 3797196 (1974-03-01), Harbison

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