Patents by Inventor Christoph Westerkamp

Christoph Westerkamp 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: 9149860
    Abstract: A die for forging a toothed section of a gear rack of a steering device, including a first die part (9) having a first molding recess (11) for molding the toothing and a second die part (10) having a second molding recess (12), which has the shape of the back area of the gear rack opposite the toothing. The die parts (9, 10) can be moved toward each other in a closing direction (13) into an end position, in which the die parts have a distance (s) from each other, wherein a main cavity (14) is formed between the die parts (9, 10) in a region of the molding recesses (11, 12) of the die parts (9, 10), the main cavity being open on opposite sides to secondary cavities (16, 17), which lie in respective regions between the first and second die parts (9, 10).
    Type: Grant
    Filed: July 2, 2011
    Date of Patent: October 6, 2015
    Assignee: THYSSENKRUPP PRESTA AKTIENGESELLSCHAFT
    Inventors: Jurgen Dohmann, Christoph Westerkamp
  • Publication number: 20130192330
    Abstract: A die for forging a toothed section of a gear rack of a steering device, including a first die part (9) having a first molding recess (11) for molding the toothing and a second die part (10) having a second molding recess (12), which has the shape of the back area of the gear rack opposite the toothing. The die parts (9, 10) can be moved toward each other in a closing direction (13) into an end position, in which the die parts have a distance (s) from each other, wherein a main cavity (14) is formed between the die parts (9, 10) in a region of the molding recesses (11, 12) of the die parts (9, 10), the main cavity being open on opposite sides to secondary cavities (16, 17), which lie in respective regions between the first and second die parts (9, 10).
    Type: Application
    Filed: July 2, 2011
    Publication date: August 1, 2013
    Applicant: THYSSENKRUPP PRESTA AKTIENGESELLSCHAFT
    Inventors: Jurgen Dohmann, Christoph Westerkamp