Patents by Inventor Lothar Willy Bachmann

Lothar Willy Bachmann 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: 4093391
    Abstract: Milling cutter head for making arcuate toothing, comprising a substantially disk-shaped carrier body that is surrounded by a locking ring, the body having therein one or more pairs of grooves of a stepped cross-section, for receiving a corresponding number of pairs of removable, axial milling cutters, in each pair one being an inner and one an outer cutter. These cutters have head cutting and flank cutting edges, and optionally head and flank clearance surfaces. The head cutting edges are made of overlap partially; the cutting edges are formed at intersecting points between the clearance surfaces. Both kinds of cutters have cylindrical body surfaces that include chip bearing surfaces and associated limiting surfaces, as well as optional supporting surfaces. The inclination angle defined between the chip bearing and the limiting surfaces is smaller than 90.degree.. The cutters are preferably rod-shaped and have quadrilateral cross-sections.
    Type: Grant
    Filed: March 8, 1976
    Date of Patent: June 6, 1978
    Assignee: VEB Werkzeugkombinat Schmalkalden
    Inventors: Lothar Willy Bachmann, Eberhardt Karl Reise