Patents by Inventor Dirk Schinkitz

Dirk Schinkitz 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).

  • Publication number: 20060065417
    Abstract: A percussion hammer, in particular a drilling and/or chisel hammer includes a first housing part (11) in which the hammer motor (3) is arranged, a second housing part (12) in which the drive gear (4) is arranged, and a third housing part (21) in which the percussion mechanism (5) is arranged, with at least one of the first, second and third housing parts (11, 12, 21) being formed of a drawn profile.
    Type: Application
    Filed: September 20, 2005
    Publication date: March 30, 2006
    Inventors: Josef Funfer, Dirk Schinkitz
  • Patent number: 5678641
    Abstract: A drilling and/or chipping tool includes a housing (30) containing a guide tube (36) with a striking mechanism (28) located within the guide tube, with the guide tube and striking mechanism being displaceable in the striking direction relative to the housing. Damping elements abut between the guide tube and the housing. Rotary motion is transmitted from a drive motor (31), located in a stationary position within the housing, in a wear-free manner to a crankshaft (34) of the striking mechanism (28) by an axial displaceable compensation element (33), so that the striking mechanism is displaceable in the striking direction relative to the drive shaft (32) of the drive motor (31).
    Type: Grant
    Filed: May 2, 1995
    Date of Patent: October 21, 1997
    Assignee: Hilti Aktiengeschaft
    Inventors: Erwin Manschitz, Michael Selb, Dirk Schinkitz