Rotary printing machine system with synchronized multiple printi

Details Rotary printing machine system with synchronized multiple printi Rotary printing machine system with synchronized multiple printi

1993-08-17

1994-08-30

Fisher, J. Reed

Printing

Multicolor

Rotary machines

B41F 508, B41F 1312

Patent

active

053417356

ABSTRACT:
To facilitate expansion of modular printing units (1, 2, 3) and particularly vertical expansion into tower printing stations (1-4; 2-5; 3-6), each printing unit, with its own printing cylinder (20)and drive motor (8-13), has associated therewith a power take-off unit (14-19; 53-56) which, via a right-angle drive, synchronizes a horizontal synchronizing shaft (21) with individual vertical synchronizing shafts (22, 23, 24) of two-tier or two-level or tower printing stations. The power take-off units include continously engaged gears, including bevel gears (79, 80, 81) coupling together the synchronizing shafts and, additionally, coupling a clutch part (76, 78) of the power take-off unit, so that, upon engagement with a second clutch part (77, 75), the synchronizing shaft, individual drive motors (8-13) and the printing cylinder can be coupled together or, upon disengagement of the clutch parts, the motor can drive the individual printing cylinder, independently of synchronized continuous rotation of the horizontal and vertical synchronizing shafts (21, 22-24).

REFERENCES:
patent: 1625225 (1925-07-01), Seeger
patent: 1640977 (1927-08-01), Brueshaber
patent: 1970491 (1934-08-01), Crafts
patent: 2053979 (1936-09-01), Tornberg
patent: 2423028 (1947-06-01), Horton et al.
patent: 2979646 (1961-04-01), Rouse
patent: 3221651 (1965-12-01), Tagliasacchi
patent: 4240346 (1980-12-01), Landis et al.

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