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Offset printing machine

  • US 6,644,184 B1
  • Filed: 09/07/2000
  • Issued: 11/11/2003
  • Est. Priority Date: 02/09/1995
  • Status: Expired due to Fees
First Claim
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1. A web-fed offset printing machine comprising printing units having at least one form cylinder and one transfer cylinder (1.1 to 1.5;

  • 2.1 to 2.5); and

    at least one folder unit (25); and

    wherein, for each printing unit, at least one of said form and transfer cylinders (1.1 to 1.5;

    2.1 to 2.5) has a drive connection to a separate electric motor, said at least one cylinder (1.1 to 1.5;

    2.1 to 2.5) having one selected from the group consisting of no mechanical drive connection to a further one of said cylinders (1.1 to 1.5;

    2.1 to 2.5) when said further cylinder is driven directly or indirectly by a further separate electric motor and a mechanical drive connection to one of said further cylinders (1.1 to 1.5;

    2.1 to 2.5) when said further cylinder is not driven by a separate electric motor;

    said printing machine further comprising a motor control system (41, 52, 56, 66, 73) for said at least one electric motor for adjusting a printing group (3, 4, 12, 13, 14, 24, 25, 46, 47, 58 to 61, 67, 68) and for presetting said printing units for adaptation to a different web path, said motor control system having an input side; and

    a computing and memory unit (45, 52, 57, 65, 74) for storing a plurality of cylinder positions connected to said input side of said motor-control system.

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