Sheet feeding or delivering – Feeding – Separators
Patent
1994-08-12
1998-12-08
Skaggs, H. Grant
Sheet feeding or delivering
Feeding
Separators
271105, 271 31, 271240, B65H 314
Patent
active
058459006
ABSTRACT:
Apparatus for sheet singling and alignment on a top side of a sheet pile of a rotary printing press includes a suction device extending transversely to sheet transport direction in the vicinity of the leading edge of the sheet pile, the suction device being intermittently activatable with suction air, a scanning device for controlling a lifting motion of the sheet pile, the scanning device extending across the entire width of the pile and having a member movable towards and away from the top side of the pile for scanning the height thereof, swivelable levers adjacent the pile-height scanning member, an element for laterally aligning single sheets of the sheet pile axially displaceably mounted on the swivelable levers, and a device for directing an air stream onto the leading edge of the sheet pile so as to lift off a leading-edge region of the respective single sheets from the pile.
REFERENCES:
patent: 3061303 (1962-10-01), Glaser et al.
patent: 3861668 (1975-01-01), Wood
patent: 3938800 (1976-02-01), Wirz
patent: 3977672 (1976-08-01), Godlewski
patent: 5137267 (1992-08-01), Wirz et al.
Greenberg Laurence A.
Heidelberger Druckmaschinen AG
Lerner Herbert L.
Skaggs H. Grant
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