Envelope flap opening device

Details Envelope flap opening device Envelope flap opening device

1997-07-03

1999-02-09

Moon, Daniel B.

Package making

Means to open or erect receptacle

Means to open envelope

533815, 53569, B65B 4326

Patent

active

058679677

ABSTRACT:
This device reduces the size of the gap between the apex of the flap opener blade and the drive roller. The above increases the probability that the flap of the envelope would be opened. The foregoing was accomplished by removing segments of the apex of the flap opener blade to allow clearance for the envelope and/or drive roller. Thus, the nominal position of the apex of the flap opener blade was moved closer to the drive roller which reduced the gap between the apex of the flap opener blade and drive roller. Consequently, the chance that the envelope flap would be closed was reduced.

REFERENCES:
patent: 2865155 (1958-12-01), Nydegger
patent: 4715164 (1987-12-01), Luperti
patent: 4813209 (1989-03-01), Foster
patent: 5081825 (1992-01-01), Mrozinski

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