Device for transferring single sheets to the impression cylinder

Details Device for transferring single sheets to the impression cylinder Device for transferring single sheets to the impression cylinder

1995-02-07

1995-10-31

Eickholt, Eugene H.

Printing

Planographic

Multicolor

101217, 101410, 101232, 271234, 271245, 271253, 271226, B41F 1100

Patent

active

054619777

ABSTRACT:
The device has a sheet-transfer cylinder (2) with a movable setting plate (3) which bears the sheet grippers (4) and whose lateral ends are individually adjustable during each revolution of the transfer cylinder (2) with the aid in each case of a roller lever (9) in the circumferential direction in such a way that the sheet transferred to the impression cylinder is in a position which corresponds to the precise printing register. For this purpose, each roller lever (9) mounted movably on the transfer cylinder (2) is guided in a guide path (15c), surrounding the cylinder axis (1) in an annular manner, of an actuator (15, 16) which is suspended pivotably above the cylinder axis (1). Said actuator is provided with individually adjustable stops (19a, 19b) which, by interaction with peripheral cams (24a to 24d) pivot the relevant actuator (15, 16) by a predeterminable amount during each revolution of the transfer cylinder (2) and thus displace the relevant end of the setting plate (3).

REFERENCES:
patent: 2395445 (1946-02-01), Belluche
patent: 3993302 (1976-11-01), Weisgerber
patent: 4311093 (1982-01-01), Abendroth et al.
patent: 4402266 (1983-09-01), Sugiyama
patent: 4588184 (1986-05-01), Jeschke
patent: 4892307 (1990-01-01), Barrois et al.
patent: 5103733 (1992-04-01), Drapatsky et al.
patent: 5125336 (1992-06-01), Germann
patent: 5390908 (1995-02-01), Luxem

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