Sheet feeding or delivering – Delivering – With transfer means between conveyor and receiver
Patent
1985-10-11
1989-11-07
Kashnikow, Andres
Sheet feeding or delivering
Delivering
With transfer means between conveyor and receiver
271205, B65H 2968
Patent
active
048786586
ABSTRACT:
In a printing machine, a sheet delivery device having pneumatic braking devices of substantially bipartite construction on a chain delivery arranged as rotating brake rollers on a traverse extending beneath the chain delivery transversely to a sheet conveying direction through the printing machine and upstream of a sheet pile, as viewed in the sheet conveying direction, for braking and drawing-out a sheet exiting from the printing maching includes separate suction units with suction air feeding devices operatively associated with the brake rollers for feeding suction air to lateral faces of the brake rollers, at least one of the suction units being selectively associated operatively with at least one lateral face of each of the brake rollers, each of the brake rollers having a sheet-carrying peripheral surface formed with recesses distributed over the periphery of the respective brake roller and extending over a region of the width of the respective brake roller encompassing a lateral edge of the sheet-carrying peripheral surface and disposed in a radially outer region of the one lateral face of the respective brake roller, the suction units being formed with lateral air outlet openings located at a respective radially outer segment region of the one lateral face of the respective brake roller.
REFERENCES:
patent: 2381719 (1945-08-01), Brintnall
Graham Matthew C.
Greenberg Laurence A.
Heidelberger Druckmaschinen AG
Kashnikow Andres
Lerner Herbert L.
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