Patents by Inventor Udo Kuehne

Udo Kuehne 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).

  • Ram-side ejector device for workpieces in single-or multi-stage presses
    Patent number: 6907765
    Abstract: A ram-side ejector device for shaping presses comprising a press carriage, which is movable between a pressing position extended relative to a stationary press die and an end position at a distance therefrom and comprises a press ram cooperating with the stationary press die, said presses further comprising an ejector pin carried on the press carriage the pressing direction and penetrating the press ram, said ejector pin being movable between a retracted end position, in which it is supported, by its end remote from the die, on a stop formed on the press carriage, and an extended position protruding from the press ram, wherein the end of said pin remote from the die is distanced from the stop, said pin being provided with a resetting means which acts counter to the direction in which said pin is extended and which may be releasably blocked, when the press carriage returns from its pressing position, by a blocking means fixed to the press frame counter to the return movement of the press carriage, the activati
    Type: Grant
    Filed: February 27, 2003
    Date of Patent: June 21, 2005
    Assignee: WAFIOS Aktiengesellschaft
    Inventors: Dietmar Sautter, Werner Goedtner, Udo Kuehne
  • Ram-side ejector device for workpieces in single-or multi-stage presses
    Publication number: 20030159492
    Abstract: A ram-side ejector device for shaping presses comprising a press carriage, which is movable between a pressing position extended relative to a stationary press die and an end position at a distance therefrom and comprises a press ram cooperating with the stationary press die, said presses further comprising an ejector pin carried on the press carriage the pressing direction and penetrating the press ram, said ejector pin being movable between a retracted end position, in which it is supported, by its end remote from the die, on a stop formed on the press carriage, and an extended position protruding from the press ram, wherein the end of said pin remote from the die is distanced from the stop, said pin being provided with a resetting means which acts counter to the direction in which said pin is extended and which may be releasably blocked, when the press carriage returns from its pressing position, by a blocking means fixed to the press frame counter to the return movement of the press carriage, the activati
    Type: Application
    Filed: February 27, 2003
    Publication date: August 28, 2003
    Inventors: Dietmar Sautter, Werner Goedtner, Udo Kuehne