Sheet feeding or delivering – Feeding – With means to interrupt feeding
Patent
1996-04-17
1997-09-30
Bollinger, David H.
Sheet feeding or delivering
Feeding
With means to interrupt feeding
209591, B65H 712
Patent
active
056719191
ABSTRACT:
An apparatus for differentiating and separating multiple overlapped like documents from single like items, transported along a track comprising a suction device applying opposed vacuum forces to separate the documents at a separation station. Measuring and analyzing the resulting pressure differentials within the suction system by a pressure sensor to indicate whether single or multiple documents are passing.
REFERENCES:
patent: 2992822 (1961-07-01), Fraidenburgh
patent: 2994528 (1961-08-01), Hull et al.
patent: 3241668 (1966-03-01), Schonfeld et al.
patent: 3516551 (1970-06-01), Wallen et al.
patent: 3589714 (1971-06-01), Staples, Jr. et al.
patent: 3773321 (1973-11-01), Burroughs
patent: 4572726 (1986-02-01), Van Abbema
patent: 4853010 (1989-08-01), Spence et al.
patent: 5419546 (1995-05-01), Chen et al.
patent: 5437375 (1995-08-01), Chen et al.
patent: 5439506 (1995-08-01), Chen et al.
patent: 5509648 (1996-04-01), Chen et al
Chen Zhongtai
Keller Randy C.
Shell Ronald G.
Spall J. Michael
Bollinger David H.
McCormack John J.
Starr Mark T.
Unisys Corporation
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