Variable size envelope drop stacker having means for assuring en

Details Variable size envelope drop stacker having means for assuring en Variable size envelope drop stacker having means for assuring en

1992-11-18

1994-07-26

Bollinger, David H.

Sheet feeding or delivering

Delivering

To receiver for pack of sheets

271224, B65H 3126

Patent

active

053322100

ABSTRACT:
The envelope drop stacking apparatus receives envelopes ejected from a mailing machine in a seriatim manner to the stacker. The mailing machine ejects envelopes from an exist along an exist plane to which the drop stacker entrance is aligned. The stacker has an elongated deck extending generally parallel to and vertically below the exist plane and an elongated registration wall extending vertically from the deck and lateral to the exist. A bi-sectional deflector strip has at one end pivotally mounted to the registration wall vertically elevated above the exist plane. A skew section translates the first section of the deflector section to the second section to produce a negative skew of the second section relative to the exist plane. The deflector strip is located to cause the deflector strip's second section to encounter an ejected envelope's leading edge and thereby produces a negatively skewed envelope trajectory. This trajectory is calculated to cause the envelope to be registered against the registration wall.

REFERENCES:
patent: 1086353 (1914-02-01), Dick
patent: 3860127 (1975-01-01), Fassman
patent: 4441702 (1984-04-01), Nagel et al.
patent: 4838539 (1989-06-01), Zimmermann
patent: 5022638 (1991-06-01), Ifkovits, Jr.

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