Sheet feeding apparatus for printing machines

Details Sheet feeding apparatus for printing machines Sheet feeding apparatus for printing machines

1974-03-04

1976-04-27

Burr, Edgar S.

Printing

Rolling contact machines

Rotary

101232, 271246, B41F 2104

Patent

active

039526518

ABSTRACT:
In a sheet feeder for rotary printing presses having a feed table, a side register lay, and front register lays, a first push type conveyor is positioned in advance of the front lays and a second push type conveyor is positioned between the front lays and the continuously rotating impression cylinder of the printing press. These first and second conveyors cooperate to sequentially grip and convey sheets of paper and the like to the press's impression cylinder which is equipped with register lays and grippers. The feed table's front register lays are arranged to lift the first registered sheet thus permitting a succeeding sheet to advance beneath the raised sheet.

REFERENCES:
patent: 877851 (1908-01-01), Martindale
patent: 1046190 (1912-12-01), Huddleston
patent: 2857161 (1958-10-01), Kist
patent: 3001788 (1961-09-01), Vandeman
patent: 3015486 (1962-01-01), Weidenhammer
patent: 3140780 (1964-07-01), Richert et al.
patent: 3263992 (1966-08-01), Schrempp
patent: 3542360 (1970-11-01), Carey
patent: 3698706 (1972-10-01), Mihojevich et al.
patent: 3730514 (1973-06-01), Burkhardt
patent: 3823937 (1974-07-01), Hirafiji

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