Sheet-fed rotary offset printing press with a plurality of print

Details Sheet-fed rotary offset printing press with a plurality of print Sheet-fed rotary offset printing press with a plurality of print

1992-01-31

1992-10-20

Eickholt, Eugene H.

Printing

Planographic

Rotary machines

101177, 101183, 101216, 101410, B41F 900

Patent

active

051566389

ABSTRACT:
A sheet-fed rotary offset printing press having a plurality of in-line conventionally mass-produced printing units with plate and blanket cylinders of given unitary diameter and sheet-guiding cylinders having respective diameters which are a multiple of the given unitary diameter, mechanically acting gripper systems carried by the sheet-guiding cylinders for in-line transfer of sheets at a given angular position of the sheet-guiding cylinders and for transporting the sheets in a given travel direction, the printing units having side walls with respective rear and forward edges having supporting and bolt-on surfaces for mutually connecting the side walls of the respective printing units, includes a conventionally mass-produced sheet-transfer cylinder having the given unitary diameter operatively connecting and maintaining an angular position of a point of tangency for sheet transfer both of a sheet-releasing cylinder of one of the printing units and a sheet-guiding cylinder of a succeeding printing unit, the sheet-releasing cylinder being mounted at opposite ends thereof in the respective side walls at a bore position located at a given elevation, the sheet-transfer cylinder being mounted at opposite ends thereof in respective auxiliary side walls at a bore position located at an identical elevation as that of the bore position for the sheet-releasing cylinder, the auxiliary side walls being formed with supporting and bolt-on surfaces complementary to the supporting and bolt-on surfaces of the side walls of the printing units.

REFERENCES:
patent: 2100852 (1937-11-01), Jacobson
patent: 3999480 (1976-12-01), Yamamoto et al.
patent: 4154165 (1979-04-01), Jeschke
patent: 4231291 (1980-11-01), Davidson, Jr. et al.
patent: 4711172 (1987-12-01), Capdebose et al.
patent: 4732084 (1988-03-01), Wirz
patent: 4774883 (1988-10-01), Mailander
patent: 4838160 (1989-06-01), Nozawa
patent: 4854231 (1989-08-01), Jahn
patent: 4875936 (1989-10-01), Hermach
patent: 5085143 (1992-02-01), Becuer

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