Patents by Inventor Markus Worner

Markus Worner 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).

  • Hand-held hammer drill
    Patent number: 7578358
    Abstract: A hand-held hammer drill has a housing, a tool spindle rotatingly driving a tool, a hammer action percussion-driving the tool, a swash plate drive driving the hammer action, and a countershaft driving as needed the tool spindle and the hammer action. A first bearing and an axial bearing are provided. The hub is rotatably supported in a cantilevered arrangement by the first bearing in the housing and coaxially surrounds the countershaft. The hub has a free cantilevered end and the axial bearing is disposed on the free cantilevered end, wherein the axial bearing axially supports the countershaft and has radial play relative to the countershaft.
    Type: Grant
    Filed: January 10, 2008
    Date of Patent: August 25, 2009
    Assignee: AEG Electric Tools GmbH
    Inventors: Achim Hess, Stefan Pohl, Markus Wörner, Hans Klöpfer
  • Hand-Held Hammer Drill
    Publication number: 20080164041
    Abstract: A hand-held hammer drill has a housing, a tool spindle rotatingly driving a tool, a hammer action percussion-driving the tool, a swash plate drive driving the hammer action, and a countershaft driving as needed the tool spindle and the hammer action. A first bearing and an axial bearing are provided. The hub is rotatably supported in a cantilevered arrangement by the first bearing in the housing and coaxially surrounds the countershaft. The hub has a free cantilevered end and the axial bearing is disposed on the free cantilevered end, wherein the axial bearing axially supports the countershaft and has radial play relative to the countershaft.
    Type: Application
    Filed: January 10, 2008
    Publication date: July 10, 2008
    Applicant: AEG ELECTRIC TOOLS GMBH
    Inventors: Achim Hess, Stefan Pohl, Markus Worner, Hans Klopfer