Patents by Inventor Detlef Gihr

Detlef Gihr has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5820123
    Abstract: Method for laterally aligning a sheet to be aligned at front lays in a revolving direction of the sheet includes, in a first alignment step, moving the sheet against a side stop; in a second alignment step, moving the sheet against front lays; and in a third alignment step, moving the sheet a second time against the side stop; and device for performing the method.
    Type: Grant
    Filed: September 15, 1997
    Date of Patent: October 13, 1998
    Assignee: Heidelberger Druckmaschinen AG
    Inventors: Detlef Gihr, Siegfried Kurtzer
  • Patent number: 5613675
    Abstract: Device for conveying single sheets or a shingled sheet stream in a feeder region of a sheet-processing machine of a conveyor table equipped with at least one endless conveyor belt, and at least two rotatably supported deflection rollers over which the conveyor belt is guided, the conveyor belt being disposed so as to convey the sheets in a region between a sheet pile and front stops, wherefrom the sheets are transferable to a further processing location of the sheet-processing machine, includes a motor for driving the conveyor belt uncoupled from the sheet-processing machine, and a computer and control device for triggering the motor with a predetermined velocity profile exhibiting a velocity change as a function of an angular position of the sheet-processing machine; and method of operating the sheet-conveying device.
    Type: Grant
    Filed: January 27, 1995
    Date of Patent: March 25, 1997
    Assignee: Heidelberger Druckmaschinen
    Inventors: Michael Kruger, Gotz Ruder, Bernhard Wagensommer, Detlef Gihr