Sheet transfer attachment

Details Sheet transfer attachment Sheet transfer attachment

1980-10-15

1982-06-29

Schacher, Richard A.

Sheet feeding or delivering

Feeding

By means to convey sheet

271 82, 101409, B65H 2906

Patent

active

043369308

ABSTRACT:
The invention relates to a sheet transfer device, for offset printing machines which print on one side of the sheet or on both sides of the sheet of paper, having a means for adjustment to accommodate sheets of different sizes, achieving thereby an accurate register printing.
The feature of the device according to the invention is a reset wheel of the sheet transfer drum which is adjustably mounted on a centering flange, on rollers rotatably mounted on eccentric pins mounted in the centering flange. The centering flange has rotatably mounted eccentrics, which bear on carrying projections of the transfer drum body, while the transfer drum reset wheel is fastened to the flange. The clearance between the reset wheel and the flange centering diameter is adjusted by eccentric pins, while at the same time the reset wheel is centered so that its gearing is precisely centered with the transfer drum axis. The clearance of the toothing of the reset wheel is taken up by take-up segments. The setting of the centering flange centricity and taking up the clearance of the reset wheel to flange centering diameter is done independently.

REFERENCES:
patent: 2130977 (1938-09-01), Timson
patent: 4120244 (1978-10-01), Wirz
patent: 4202268 (1980-05-01), Becker

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