Paddle and paddle support in on-edge mail stackers

Details Paddle and paddle support in on-edge mail stackers Paddle and paddle support in on-edge mail stackers

2006-02-14

2006-02-14

Walsh, Donald P. (Department: 3653)

Sheet feeding or delivering

Delivering

To receiver for pack of sheets

C271S213000, C271S181000

Reexamination Certificate

active

06997454

ABSTRACT:
An on-edge stacker having a deck surface to support a vertical mail stack, which is allowed to expand from the upstream end to the downstream end. A paddle, movably mounted on a linear support member, is used to support the downstream end of the mail stack. The linear support member is positioned at a level lower than or substantially the same as the deck surface so that the mail can be swept from the deck surface from either longitudinal side of the stacker. A toggle switch is disposed near the downstream end so that when the paddle moved by the expanding stack reaches beyond a certain point, the toggle switch is triggered to indicate that the stack is full or almost full. The paddle has a wedge-shaped blade so that it can slide the stacked mailed on the deck surface without damaging the mail.

REFERENCES:
patent: 3799539 (1974-03-01), Del Rio
patent: 3811549 (1974-05-01), Preisig
patent: 4524965 (1985-06-01), Kulpa
patent: 4765607 (1988-08-01), Zouzoulas
patent: 5104114 (1992-04-01), Gillmann
patent: 5393196 (1995-02-01), Bluemle
patent: 5429249 (1995-07-01), Belec et al.
patent: 5524876 (1996-06-01), Porter
patent: 6302638 (2001-10-01), Eggebrecht et al.
patent: 6398204 (2002-06-01), Keane et al.
patent: 6588743 (2003-07-01), Yap

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