Patents by Inventor Walter Schweitzer

Walter Schweitzer 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: 4803781
    Abstract: A cutting machine for fabrics, comprising a table, a carriage reciprocating along the same, a pivoted cantilever extending above the table and having an inner arm pivotably mounted about a vertical axis on the carriage and an outer arm articulated on the inner arm, a hand cutter being pivotable about a vertical axis on the outer arm, further comprising switching means for the carriage drive and for controlling the direction of travel of the carriage, a first switching means being provided which is controlled by both arms in order to limit the deviations of the angle formed by the two cantilever arms from an angle of 90.degree., a second switching means controlled by the inner cantilever arm also being provided to limit the deviations of the angle formed by the inner cantilever arm and the direction of travel of the carriage from an angle of 90.degree..
    Type: Grant
    Filed: July 23, 1982
    Date of Patent: February 14, 1989
    Assignee: Krauss u. Reichert GmbH & Co. KG Spezialmaschinenfabrik
    Inventors: Rolf Jung, Walter Schweitzer
  • Patent number: 4195404
    Abstract: In a cutting machine of the type having a vertically reciprocating cutting blade, an internal grinder and a presser foot on a carrier bar, a lifting device responsive to operation of an actuating member for stopwise lifting the carrier bar to permit true one-hand operation and to avoid possible injury to an operator placing his hand on the presser foot in the region of the reciprocating cutter blade.
    Type: Grant
    Filed: March 17, 1978
    Date of Patent: April 1, 1980
    Assignee: Krauss u. Reichert GmbH & Co. KG Spezialmaschinenfabrik
    Inventor: Walter Schweitzer