Sheet reversing assembly for rotary press

Details Sheet reversing assembly for rotary press Sheet reversing assembly for rotary press

1993-03-26

1993-12-21

Eickholt, Eugene H.

Printing

Work supporting members

Grippers

101142, 271 82, 271309, B41F 130

Patent

active

052713237

ABSTRACT:
A sheet reversing assembly for a rotary printing press utilizes one or more arcuately and radially movable gripper assemblies on an impression cylinder to elevate a gripped leading edge of a sheet to be reversed. As the trailing edge of the sheet is engaged by suction grippers on a reversing drum, air blast jets in the vicinity of the abutment surface of the gripper assembly direct air under pressure between the sheet and the surface of the impression cylinder.

REFERENCES:
patent: 3768406 (1973-10-01), Gutsche et al.
patent: 3986455 (1976-10-01), Jeschke et al.
patent: 4127265 (1978-11-01), Wirz et al.
patent: 4241659 (1980-12-01), Fischer
patent: 4358100 (1982-11-01), Muller
patent: 4395949 (1983-08-01), Jeschke
patent: 4718342 (1988-01-01), Raab et al.
patent: 4864929 (1989-09-01), Simeth
patent: 5186107 (1993-02-01), Wieland

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