Patents by Inventor Joerg Ullrich

Joerg Ullrich 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).

  • Manual machine tool with tool holder and appropriate tool
    Patent number: 6059493
    Abstract: The hand-held machine tool has a tool holder (20) provided with a receptacle (19) into which a shaft portion (15) of a tool (16) is axially insertable. The tool holder (20) has a longitudinal axis (11) and includes a guide device (18) for axially guiding the tool (16); a device (23) for rotary slaving of the tool (16); a retaining device (28) for axially securing the tool (16) and a locking member (34) for locking the retaining device (28) in an open configuration for insertion or removal of the tool (16). The retaining device (28) is located in front of the guide device in an insertion direction of the tool (16) in the tool holder (16). The retaining device (28) is provided with an opening (31) for passage of the tool (16) through it.
    Type: Grant
    Filed: June 17, 1998
    Date of Patent: May 9, 2000
    Assignee: Robert Bosch GmbH
    Inventors: Manfred Kirn, Ernst Kraenzler, Klaus Klingenstein, Ernst Dreher, Gerd Hahn, David Matzo, Joerg Ullrich, Joerg Dehde, Karl Garatwa, Joachim Schadow, Christian Hermes, Joerg Moessner