Patents by Inventor Franz Rapold

Franz Rapold 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: 5497721
    Abstract: A sewing machine is disclosed having an arrangement for guiding a fabric to be sewn at an adjustable distance with respect to a stitch-forming sewing needle and having a guide rail in which the guide rail is capable of being removably affixed to the working surface. The guide rail is provided with a retaining part, which is C-shaped in its cross-section, and has a rib-shaped guide cam. The retaining part is preferably provided at a front-side end of the guide rail of the sewing machine and at a right angle to its guide beams. The retaining part is constructed so that the rib-shaped guide cam can engage a slot which is formed underneath the working surface.
    Type: Grant
    Filed: April 18, 1994
    Date of Patent: March 12, 1996
    Assignee: Fritz Gegauf Aktiengesellschaft
    Inventors: Rene Sulser, Franz Rapold