Patents by Inventor Frank W. Laroe

Frank W. Laroe 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: 6000352
    Abstract: A method and apparatus for sewing flange material to a fabric panel, preferably the top or bottom panel of a mattress sack. The apparatus includes a sled which pulls the fabric panel to and through the sewing machine. The apparatus also includes an edge guide that guides one edge of the panel to the sewing machine as well as provides a thickness measurement of the panel and smooths the fabric panel prior to sewing. The apparatus also includes a moveable dolly which carries the sewing machine find the flange material, and a wheel which engages the fabric panel during movement of the sewing machine away from the fabric panel to prevent movement of the fabric panel. The apparatus also includes apparatus for automatically removing the fabric panel from the table after completion of the sewing operation, as well as a cutter for cutting the trailing flange material and the sewing threads.
    Type: Grant
    Filed: October 15, 1997
    Date of Patent: December 14, 1999
    Assignee: Porter Sewing Machines, Inc.
    Inventors: Michael R. Porter, Steven Marcangelo, Frank W. Laroe
  • Patent number: 5927221
    Abstract: A method and apparatus for stitching a label to material in which the material and label are joined face side down rather than face side up. The label is held face side down with a clamp and a panel is held over the label by a clamp. The label and panel are joined by a sewing machine. Further, a mechanism is provided for activating a thread knife of the sewing machine at such a time that the bobbin thread only is cut. A masking mechanism is provided for masking electronic signals of the sewing machine that would otherwise cause the machine to reset at a normal needle height, so that a sewing operation can be stopped with a needle at a maximum clearance position. Pneumatic cylinders and linkage are provided for raising the needle and presser foot at the end of a stitching operation.
    Type: Grant
    Filed: December 17, 1996
    Date of Patent: July 27, 1999
    Assignee: Porter Sewing Machines, Inc.
    Inventors: Michael R. Porter, Steven Marcangelo, Frank W. Laroe, III