Eccentric cylinder for sheet-fed rotary printing presses

Details Eccentric cylinder for sheet-fed rotary printing presses Eccentric cylinder for sheet-fed rotary printing presses

1989-06-21

1990-11-06

Eickholt, Eugene H.

Printing

Planographic

Rotary machines

101409, 271270, 271277, 271204, B41F 900

Patent

active

049676563

ABSTRACT:
A transfer or delivery cylinder for a sheet-fed rotary printing press having an endless chain conveyor carrying gripper bars and grippers and driven by a sprocket wheel concentrically mounted on a drive shaft for pulling freshly printed sheets from the impression cylinder onto the transfer or delivery cylinder for movement to a further processing station within the press, wherein the transfer or delivery cylinder is a right circular cylinder eccentrically mounted to the drive shaft so that upon initial engagement of the freshly printed sheet by the grippers, the leading edge of the cylinder is spaced below the sheet which is thereafter pulled smoothly and uniformly into contact tangentially with the sheet support surface of the transfer or delivery cylinder.

REFERENCES:
patent: 2220046 (1940-10-01), Lang
patent: 2387750 (1945-10-01), Davidson
patent: 2563646 (1951-08-01), Gruver
patent: 2892630 (1959-06-01), Schunemann
patent: 3918707 (1975-11-01), Villemer et al.
patent: 4204471 (1980-04-01), Becker
patent: 4290595 (1981-09-01), Thunker
patent: 4358100 (1982-11-01), Muller
patent: 4722273 (1988-02-01), Jahn

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