Sheet guide arrangement in sheet-fed machines

Details Sheet guide arrangement in sheet-fed machines Sheet guide arrangement in sheet-fed machines

1984-11-19

1986-02-25

Eickholt, E. H.

Printing

Inkers

Roller

101419, 101248, 364570, 271254, 271255, B41F 3100

Patent

active

045720738

ABSTRACT:
A system for remote sensing, indicating and remote control provides for the non-smear guidance of sheets through a sheet-fed machine and is especially useful for printing machines which print on both sides of the sheets. Sheet guides are adjustable during machine operation from a control panel at a central location outside of the machine. The positions of the sheet guides are preferably displayed in direct comparison with zones of ink application. Also, the sheet guides are adjustable from the control panel so that the guides fall within the gaps between printed areas on the sheet. An immediate and graphic check of the sheet guides is provided. In a preferred embodiment, the positions of the sheet guides are indicated on a linear array of optical indicators, each indicator representing a respective boundary between adjacent inking zones, and two adjacent ones of the optical indicators being simultaneously activated when one of the sheet guides is adjusted approximately at the center of the inking zone defined by the boundaries represented by the two adjacent ones of the optical indicators.

REFERENCES:
patent: 2566399 (1951-09-01), Bishop
patent: 3177751 (1965-04-01), Vercauteren
patent: 3184374 (1965-05-01), Pearson
patent: 4049213 (1977-09-01), Hank et al.
patent: 4200932 (1980-04-01), Schramm et al.
patent: 4390958 (1983-06-01), Mamberer
patent: 4428287 (1984-01-01), Greiner
patent: 4453708 (1984-06-01), Dennhardt
patent: 4500045 (1985-02-01), Whitaker et al.

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