Method of and arrangement for automatic adjustment of the operat

Details Method of and arrangement for automatic adjustment of the operat Method of and arrangement for automatic adjustment of the operat

1985-09-04

1986-12-16

Fisher, J. Reed

Printing

Antismut device

Anti-offset material application

101230, B41F 2100, B41F 3316

Patent

active

046288171

ABSTRACT:
A method of automatically adjusting a printing machine which is selectively operatable in a single-side printing mode and in a two-side printing mode and includes a sheet turning drum, gripper systems and controls therefor, and a ring gear, comprises, during the adjustment from the single-side printing mode to the two-side printing mode and commencing from a first initial position, the succession of steps of adjusting the angular position of the sheet turning drum, adjusting the gripper system controls, and adjusting the angular position of the ring gear, including releasing, angularly displacing, and engaging the ring gear; and during the adjustment from the two-side printing mode to the single-side printing mode and commencing from the first initial position, the succession of steps of adjusting the angular position of the ring gear, including releasing, angularly displacing, and engaging the ring gear, adjusting the gripper systems controls, and adjusting the angular position of the sheet turning drum. The arrangement of the present invention includes various devices which are capable of performing the above method and of issuing various signals including feedback signals, and also of processing such signals in such a manner that, in the event of lack of completion of any step, at least that step is repeated from the beginning.

REFERENCES:
patent: 4120244 (1978-10-01), Wirz
patent: 4186662 (1980-02-01), Borneman
patent: 4241659 (1980-12-01), Fischer

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