Patents by Inventor Norbert Weghaus

Norbert Weghaus 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).

  • Internal broach
    Patent number: 7338235
    Abstract: An internal broach for internally broaching profiles, defined by a bottom and flanks, of female serrations of a work piece having a toothed section with several rows of broach cutting teeth, the rows being disposed successively counter to a direction of broaching, with successive broach cutting teeth being allocated to each other for broaching a profile. The broach cutting teeth have bottom cutting blades and first and second sides. The first sides are guide flanks, the edges of which are guide edges without cutting ability. The second sides are relieved flanks, the edges of which are relieved edges without cutting ability.
    Type: Grant
    Filed: December 3, 2003
    Date of Patent: March 4, 2008
    Assignee: Forst Technologie GmbH & Co. KG
    Inventors: Norbert Weghaus, Otto Pfitzer, Andreas Berktold
  • Internal broach
    Patent number: 6918716
    Abstract: An internal broach for internally broaching profiles, defined by a bottom and flanks, of female serrations of a work piece, comprises a toothed portion with several rows of broach cutting teeth disposed successively counter to a direction of broaching, successive broach cutting teeth being allocated to each other for broaching a profile. The broach cutting teeth have bottom cutting blades and first and second sides. The first sides are guide flanks, the edges of which are guide edges without cutting ability. The second sides are flank-cutting-blade relief surfaces, the edges of which are designed as flank blades with cutting ability.
    Type: Grant
    Filed: December 5, 2002
    Date of Patent: July 19, 2005
    Assignee: Forst Technologie GmbH & Co. KG
    Inventors: Andreas Berktold, Norbert Weghaus
  • Internal broach
    Publication number: 20040109731
    Abstract: An internal broach for internally broaching profiles, defined by a bottom and flanks, of female serrations of a work piece comprises a toothed section with several rows of broach cutting teeth, the rows being disposed successively counter to a direction of broaching, with successive broach cutting teeth being allocated to each other for broaching a profile. The broach cutting teeth have bottom cutting blades and first and second sides. The first sides are guide flanks, the edges of which are guide edges without cutting ability. The second sides are relieved flanks, the edges of which are relieved edges without cutting ability.
    Type: Application
    Filed: December 3, 2003
    Publication date: June 10, 2004
    Applicant: FORST TECHNOLOGIE GMBH & CO. KG
    Inventors: Norbert Weghaus, Otto Pfitzer, Andreas Berktold
  • Internal broach
    Publication number: 20030103817
    Abstract: An internal broach for internally broaching profiles, defined by a bottom and flanks, of female serrations of a work piece, comprises a toothed portion with several rows of broach cutting teeth disposed successively counter to a direction of broaching, successive broach cutting teeth being allocated to each other for broaching a profile. The broach cutting teeth have bottom cutting blades and first and second sides. The first sides are guide flanks, the edges of which are guide edges without cutting ability. The second sides are flank-cutting-blade relief surfaces, the edges of which are designed as flank blades with cutting ability.
    Type: Application
    Filed: December 5, 2002
    Publication date: June 5, 2003
    Applicant: Forst Technologie GmbH & Co. KG
    Inventors: Andreas Berktold, Norbert Weghaus