Sheet feeding or delivering – Delivering – To receiver for pack of sheets
Reexamination Certificate
2006-06-27
2006-06-27
Walsh, Donald P. (Department: 3653)
Sheet feeding or delivering
Delivering
To receiver for pack of sheets
C271S214000, C271S215000, C271S155000, C271S200000, C271S201000, C271S207000
Reexamination Certificate
active
07066462
ABSTRACT:
A stream of successive sheets of paper, foil or the like is converted into a series of piles at a stacking station where successive sheets are caused to descend onto a pallet which is adjacent a monitoring device serving to transmit signals denoting the levels of successive uppermost sheets of a growing pile. Such signals are processed by a unit which controls one or more valves in a pneumatic elevator for the discharge end of the endless flexible conveyor which supplies successive sheets to the stacking station. The elevator ensures that the distance between the discharge end of the conveyor and the uppermost sheets of the growing pile remains within a preselected range. This contributes to the accuracy of stacking of sheets on their pallet.
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Koshida Yoshinori, “Paper Sheet Stacking Mechanism”, Patent Abstracts of Japan, JP 6255860, Sep. 13, 1994.
Borutta Eckhardt
Rilitz Norbert
Schulz Fritz
E.C.H. Will GmbH
Kohner Matthew J.
Voorhees Catherine M.
Walsh Donald P.
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