Patents by Inventor Urs Ruch

Urs Ruch 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: 4419951
    Abstract: A feeder device for a sewing machine containing a stitch plate and provided with a material feeder which reaches through the stitch plate from below, and which is driven by a lift- and thrust rocker along a path made up of four phases. The feeder device further includes a support member and an intermediate rocker. The support member of the material feeder is arranged on the intermediate rocker, which in turn is rotatingly attached to the thrust rocker whereby the horizontal rotational axis of the support member is arranged on the intermediate rocker at a distance from the rotational axis of the intermediate rocker and substantially parallel thereto.
    Type: Grant
    Filed: November 18, 1980
    Date of Patent: December 13, 1983
    Assignee: Fritz Gegauf Aktiengesellschaft Bernina-Nahmaschinenfabrik
    Inventors: Urs Ruch, Ernst Dreier
  • Patent number: 4388887
    Abstract: A winding device for a sewing machine including a sewing mechanism connected to a machine drive mechanism, by a coupling which comprises, a sewing machine housing, the winding device being movable to swing into the sewing machine housing and be covered by a lid when not being used. A two-armed hinge support is pivotally disposed on the housing and connected to the lid. One arm of the said two-armed hinge support is connected by a lever mechanism with a support, and the support is pivotally attached to the sewing machine housing for the winding device forming a toggle joint such that when the lid is opened the toggle joint is pushed through and the winding device is brought into its operating position and secured there while the other arm of the two-armed hinge support disengages said coupling between the machine drive mechanism and the sewing mechanism.
    Type: Grant
    Filed: December 9, 1980
    Date of Patent: June 21, 1983
    Assignee: Fritz Gegauf Aktiengesellschaft Bernina-Nahmaschinenfabrik
    Inventors: Urs Ruch, Christian Ulmer