Printing – Rolling contact machines – Rotary
Patent
1989-03-21
1990-01-09
Eickholt, Eugene H.
Printing
Rolling contact machines
Rotary
270 43, B41F 1364
Patent
active
048920363
ABSTRACT:
To permit central control of shifting of folding blades and puncture needles on a combination collection or assembly and folding cylinder (9), the cams (23, 25l) have associated therewith rotatable cam cover disks (62, 61) which are driven from the main machine drive, for example via a drive gear (20) coupled to the cylinder (9). An additional rotary motion is superimposed to permit shifting of the cover disks and thus selectively different modes of operation, for collection or assembly, or non-collection of sequential sheet products placed on the cylinder. The superimposed motion arrangement comprises a hollow coupling gear (29) which is coupled to a worm (28) coupled therewith, the worm being engaged by axially shiftable roller bolts (36, 37), the axial position of which is controllable by an electrical positioning motor (57) via a shifting plate (47) upon rotation of a positioning spindle (52).
REFERENCES:
patent: 2026443 (1935-12-01), Tomlin
patent: 2797084 (1957-06-01), Hilgoe et al.
patent: 2847214 (1958-08-01), Ritzerfeld et al.
patent: 3166206 (1965-07-01), Porter et al.
patent: 3772990 (1973-11-01), Weisberber
patent: 4190242 (1980-02-01), Bolza et al.
patent: 4448125 (1984-04-01), Kawaguchi et al.
Eickholt Eugene H.
MAN Roland Druckmaschinen AG
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