Patents by Inventor Kersten Heckmann

Kersten Heckmann 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: 8608530
    Abstract: The present invention is directed to an insertion tool (12) for a machine tool that has a hub (16) with at least one opening (42, 80) for insertion of a fastening means (40, 84), via which the hub (16) is clampable on a driving flange (22) of the machine tool connected to a drive shaft, the opening (42, 80) including a retaining region (54) and a releasing region (56), the releasing region (56) including a stop (66, 88) for limiting a release motion of the fastening means (40, 84). It is provided that the opening (42, 80) adjacent to the stop (66, 88) has a convex section (76, 90).
    Type: Grant
    Filed: November 8, 2004
    Date of Patent: December 17, 2013
    Assignee: Robert Bosch GmbH
    Inventors: Albrecht Hofmann, Harald Krondorfer, Thomas Schomisch, Christof Hoelzl, Johann Huber, Kersten Heckmann
  • Publication number: 20080099224
    Abstract: The invention relates to a hand power tool (2), having a housing (6), an electric motor accommodated in the housing (6), and a battery pack (4), releasably locked to the housing (6), for supplying the electric motor with electric current. At least one spring/damping element (38), mounted between the battery pack (4) and the housing (6) of the hand power tool (2), is provided, for damping vibration and -or eliminating a locking-dictated play between the battery pack (4) and the housing (6).
    Type: Application
    Filed: December 11, 2003
    Publication date: May 1, 2008
    Applicant: ROBERT BOSCH GMBH
    Inventors: Albrecht Hofmann, Harald Krondorfer, Markus Heckmann, Kersten Heckmann, Joachim Schadow, Thomas Schomisch