Patents by Inventor Emmy Frey

Emmy Frey 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: 4903622
    Abstract: Apparatus for guiding and braking elastic or nonelastic bands during sewing to pieces of fabric has an elongated flat housing of rectangular cross-sectional outline with a transversely extending channel for a band. The housing is separably affixed to the table of a household sewing machine and contains a reciprocable slide which can alter the effective width of the channel. The slide is installed at one side of the channel, and the housing supports an adjustable fabric guide at the other side of the channel. A plate-like biasing member is installed in the channel at a level above the band, and the biasing member can be moved up or down by a screw having a knurled head so as to select the force with which the underside of the biasing member bears against the upper side of the band.
    Type: Grant
    Filed: November 7, 1988
    Date of Patent: February 27, 1990
    Assignee: Fritz Gegauf Aktiengesellschaft Bernina-Nahmaschinenfabrik
    Inventors: Emmy Frey, Ernst Dreier
  • Patent number: 4899677
    Abstract: The upper side of the sole plate in a sewing machine presser foot is formed with a transversely extending channel for the median portion of a guide which steers the needle during making of a row of stitches adjacent the edge of a marginal portion of a piece of fabric. To this end, the guide has two end portions which extend laterally beyond the respective sides of the sole plate and have downwardly bent tips one of which slides along the edge of a piece of fabric when the sewing machine is in use. The guide can be moved longitudinally to place its end portions at selected distances from the respective sides of the sole plate. A male detent member on the sole plate normally engages a selected graduation of a notched scale on the central portion of the guide to maintain the guide in a selected position. The tips of end portions of the guide are located at a level slightly above that of the underside of the sole plate.
    Type: Grant
    Filed: October 14, 1988
    Date of Patent: February 13, 1990
    Assignee: Fritz Gegauf Aktiengesellschaft Bernina-Nahmaschinenfabrik
    Inventors: Emmy Frey, Ernst Dreier