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US 7,000,539 B2Granted
Offset printing machine
AssigneeMAN Roland Druckmaschinen AG
InventorsJosef Hajek, Johann Königer, Michael Schramm, Peter Gröbner
Life of this patent
Estimating the term…
Abstract
The invention relates to the drive of a printing machine. Cylinders and functional groups are to be driven with low technical expenditure. To this end, all form cylinders (1.1, 1.2) in a printing unit, for example, are driven respectively by separate electric motors (7) and are not in mechanical drive connection.
Claims7
A shaftless offset printing machine comprising:
- at least one printing unit, said printing unit comprising at least two printing groups each composed of a blanket cylinder and an associated form cylinder;
- each of said blanket cylinders being driven by a separate motor and being in drive connection via a spur gear with said associated form cylinder;
- and
- a folder unit separately driven by a separate angle-controlled electric motor.
1 more element
A shaftless offset printing machine comprising:
- at least one printing unit;
- a folder unit having a first folding cylinder;
- an angle-controlled electric motor with no drive connection to the at least one printing unit, said printing unit comprising at least two printing groups each composed of a blanket cylinder and an associated form cylinder;
- each of said blanket cylinders being driven by a separate motor and being in drive connection via a spur gear with said associated form cylinder;
- and
- a belt drive connecting the angle-controlled electric motor to the first folding cylinder.
3 more elements
Dependencies are inferred from the claim text.