Patents by Inventor John Patricia

John Patricia 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).

  • Timing arrangement for a sewing machine
    Patent number: 4582008
    Abstract: In a sewing machine, needle bar and take-up motion is timed to feed dog motion through a constant breadth cam and gear in predetermined angular positions on the arm shaft, a gear on a vertical shaft in mesh with the arm shaft gear according to timing marks on the gears, and a lift cam in a predetermined angular position on the vertical shaft relative to the gear thereon.
    Type: Grant
    Filed: April 16, 1985
    Date of Patent: April 15, 1986
    Assignee: The Singer Company
    Inventors: Walter H. W. Marsh, John Patricia
  • Arrangement for securing in a slide plate hold-down spring in a sewing machine bed
    Patent number: 4444139
    Abstract: A slide plate hold-down spring is provided with a depending portion which is received in a well in a sewing machine bed. The depending portion includes a window in which a protuberance on the bed engages the spring, and a curved length which engages a wall of the well.
    Type: Grant
    Filed: December 10, 1982
    Date of Patent: April 24, 1984
    Assignee: The Singer Company
    Inventors: Walter H. W. Marsh, John Patricia, Alfred Mack
  • Feed system for a sewing machine
    Patent number: 4428316
    Abstract: A compact sewing machine feed system utilizing sheet metal parts to reduce inertia, and separate feed and lift cams to simplify replacement for the purpose of optimizing feed characteristics.
    Type: Grant
    Filed: July 14, 1982
    Date of Patent: January 31, 1984
    Assignee: The Singer Company
    Inventors: John Patricia, Jan Szostak
  • Arrangement for mounting a convertible bed sewing machine in a flat bed cabinet
    Patent number: 4423912
    Abstract: An arrangement for adapting a flat bed sewing machine to support a convertible bed sewing machine for flat bed sewing includes a support bracket assembly and a support arm assembly which both extend into the cavity of the sewing machine. The sewing machine is fixedly mounted on the support bracket assembly for supporting the rear of the sewing machine. The support arm assembly supports the front end of the sewing machine and swings out of the way when not supporting the sewing machine to provide clearance for the sewing machine when the sewing machine is in its stored position within the cavity of the cabinet.
    Type: Grant
    Filed: May 13, 1982
    Date of Patent: January 3, 1984
    Assignee: The Siner Company
    Inventors: Louis F. Daman, Albert L. Newman, John Patricia