Printing – Rolling contact machines – Rotary
Reexamination Certificate
2005-05-17
2005-05-17
Hirshfeld, Andrew H. (Department: 2854)
Printing
Rolling contact machines
Rotary
C101S425000, C101S480000, C101S484000
Reexamination Certificate
active
06892636
ABSTRACT:
A positioning device for functional devices of printing presses, having at least one guide unit and one drive for moving and positioning the functional device for throwing-on/throwing-off movements with regard to impression cylinders. Weight compensation means are provided for the vertical displacement, so that the drive can be at least partially relieved of the weight of the functional device.
REFERENCES:
patent: 5109768 (1992-05-01), Lubke et al.
patent: 6397743 (2002-06-01), Dauer et al.
patent: 6502509 (2003-01-01), Gottling et al.
patent: 20010035104 (2001-11-01), Gottling et al.
Cohen & Pontani, Lieberman & Pavane
Hirshfeld Andrew H.
MAN Roland Druckmaschinen AG
Williams Kevin D.
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