Flap closer

Details Flap closer Flap closer

1990-05-01

1991-06-25

Schmidt, Frederick R.

Manufacturing container or tube from paper; or other manufacturi

Bending

Deflecting

493245, 493260, 271 2, 271212, B31B 148

Patent

active

050263404

ABSTRACT:
This disclosure provides an apparatus used in combination with an envelope feeder of the type having a frame with a generally horizontal feeder tray and a rack holding a stack of envelopes, the feeder having an endless belt supported on the feeder tray and the feeder serving to deliver envelopes from the stack onto the endless belt, the endless belt moving the envelopes to form a short-height stack at the outer end of the tray where the envelopes may be picked up by a printing press, a flap closure to close the envelope flaps so that open flaps do not interfere with the stacking process, the closure being in the form of an elongated member supported at the feeder tray outer end and having a first upper surface portion inclined upwardly in the direction away from the envelope feeder and a second horizontal upper surface spaced in a direction away from the envelope feeder, the second surface being in a plane parallel to and spaced above the plane of the endless belt.

REFERENCES:
patent: 3212774 (1965-10-01), Ingalls
patent: 3396966 (1968-08-01), Solheim
patent: 3744649 (1973-07-01), Ward, Jr.
patent: 4522617 (1985-06-01), Mowry
patent: 4808054 (1989-02-01), Cuzin

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