Apparatus and method for separating and aerating a stack of...

Details Apparatus and method for separating and aerating a stack of... Apparatus and method for separating and aerating a stack of...

2007-12-06

2010-10-12

Joerger, Kaitlin S (Department: 3653)

Sheet feeding or delivering

Feeding

Separators

C271S146000, C271S161000

Reexamination Certificate

active

07810801

ABSTRACT:
An apparatus and method for separating and aerating sheets of material arranged in a stack include a stack support member on which the stack is retained in a generally flat condition, and a clamping member which clamps onto an edge portion of the stack. Upper and lower rollers are positioned above and below the stack of sheet material, and an adjustment member converges and diverges the same into and out of engagement with the stack. A conveyor member shifts the stack of sheet material between the upper and lower rollers. The upper roller and lower roller are arranged in a staggered relationship, such that an imaginary plane extending between the two rollers is disposed at an angle with respect to both the horizontal and the vertical.

REFERENCES:
patent: 3460826 (1969-08-01), Porth
patent: 5288065 (1994-02-01), Wyssmuller
patent: 2009/0108520 (2009-04-01), Stemmer
patent: 2641214 (1977-05-01), None
patent: 3219696 (1983-12-01), None
patent: 102004003455 (2004-01-01), None
patent: 0021396 (1981-01-01), None

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