Apparatus for closing envelopes

Details Apparatus for closing envelopes Apparatus for closing envelopes

1989-07-17

1990-06-12

Coan, James F.

Package making

With means responsive to a sensed condition

Of receptacle or cover feed or adjunct feed or application

53266A, 53383, 53391, 493245, B65B 702

Patent

active

049321889

ABSTRACT:
The apparatus for closing envelopes includes two sets of drive wheels (11A, 11B; 12A, 12B) defining a substantially linear envelope path (1) along which envelopes which are received open are displaced flat, are closed, and are then ejected. The apparatus includes a pair of pivotally mounted presser elements (30, 31) disposed between the two sets of drive wheels and put in a rest position off the path while the envelope is advancing and moved to a working position on the path when an open flap reaches the pair of presser elements, with the direction of displacement of the envelope along the path then being reversed substantially simultaneously with the pair of elements being put into the working position. The invention is applicable to processing mail.

REFERENCES:
patent: 2749689 (1956-06-01), Colley
patent: 3550351 (1970-12-01), Gombault
patent: 3936993 (1976-02-01), Dorer
patent: 4270909 (1981-06-01), Ireland
patent: 4428794 (1984-01-01), Hayskar et al.
patent: 4619101 (1986-10-01), Havey, Jr. et al.

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