Patents Assigned to Druckmaschinen AG Heidelberger
  • Sheet feeder
    Patent number: 5294108
    Abstract: A sheet feeder includes a first laterally adjustable guide for guiding a vertically displaceable pile table, a second laterally adjustable guide for guiding a vertically displaceable non-stop device, and a device for adjusting the first guide and the second guide in common and for adjusting the first and the second guides relative to one another in a given direction of movement for effecting a lateral alignment.
    Type: Grant
    Filed: September 2, 1992
    Date of Patent: March 15, 1994
    Assignee: Druckmaschinen AG Heidelberger
    Inventors: Gerhard Pollich, Ernst Czotscher
  • Control mechanism for a separately excited DC drive motor and method for control of a DC drive motor
    Patent number: 4788479
    Abstract: In combination, a control mechanism for a separately excited DC drive motor, and a device for generating an exciter current to be supplied to a field winding of the motor, includes a measuring device for measuring operational values of the motor, and a device connected to the measuring device for adjusting the exciter current, in accordance with measurement results of the measured values, to a determined value at which a preselected operational characteristic exists, and the exciter current is kept constant at the determined value.
    Type: Grant
    Filed: November 24, 1986
    Date of Patent: November 29, 1988
    Assignee: Druckmaschinen AG Heidelberger
    Inventor: Anton Rodi