Envelope flap separating mechanism

Details Envelope flap separating mechanism Envelope flap separating mechanism

1976-01-13

1976-12-14

McGehee, Travis S.

Package making

Means to open or erect receptacle

Means to open envelope

B65B 4339

Patent

active

039967271

ABSTRACT:
A flap separating mechanism for distending a flap from a body portion of an envelope.
An envelope moving through a mail handling system may require its flap to be moistened and sealed. As a prelude to the moistening procedure, the flap of the envelope must be separated from the body portion. The separating mechanism disclosed herein comprises a rotatably affixed belt conveyor and an adjacent ski-like stripper member. The stripper member is movably biased toward said conveyor to provide a normal force on envelopes disposed therebetween.
The deflapping mechanism can accommodate envelopes of varying thickness, while providing a fixed plane for the printing of postage on the body portion of the envelopes.

REFERENCES:
patent: 1317387 (1919-09-01), Penney et al.
patent: 2301354 (1942-11-01), Alden
patent: 3015926 (1962-01-01), Galambos
patent: 3474711 (1969-10-01), Swinyar

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