Printing – Inkers – Roller
Patent
1982-06-01
1983-08-02
Crowder, Clifford D.
Printing
Inkers
Roller
101148, 101247, B41F 3134
Patent
active
043959474
ABSTRACT:
An adjusting and throw-off mechanism for use with an applicator roller and a distributor roller in a printing press. An eccentric sleeve bearing surrounds the shaft of the applicator roller. A plunger having a rack and pinion connection with the sleeve bearing is threaded at its end and engaged by a cylindrical nut. A nut carrier is provided in the form of a cylinder telescoped over the nut, the nut being rotatable with respect to the carrier but axially captive therein. The nut carrier is telescopingly received in a bracket secured to the press frame. A positioning device in the form of a crank is interposed between the carrier and the bracket for moving the carrier and nut into a reference position so that upon turning the nut the plunger is axially moved to adjust the eccentric sleeve bearing thereby to adjust the pressure between the rollers. The crank is movable to a throw-off position accompanied by gross rocking movement of the sleeve bearing thereby to disengage the applicator roller from the distributor roller. A stop in the path of movement of the crank accurately defines the reference position so that, when the crank is restored to reference position following throw-off, the adjusted pressure between the rollers is accurately reestablished.
REFERENCES:
patent: 3603254 (1971-09-01), Siebke
patent: 3691956 (1972-09-01), James et al.
Crowder Clifford D.
M.A.N. - Roland Druckmaschinen Aktiengesellschaft
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