Patents by Inventor Andrew John Gilbride

Andrew John Gilbride 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).

  • Device for clamping the workpiece in a sewing machine
    Patent number: 4031835
    Abstract: This invention relates to a device for selectively actuating the workpiece clamp of an automatically controlled bar tacker sewing machine utilizing electrically operated pneumatic cylinders operatively connected to the upper clamping element to cause release of the workpiece. The clamp feet are releasably independent of other sewing operations. The upper clamping plate and the feed plate are secured to the clamp assembly by quick change fittings.
    Type: Grant
    Filed: May 7, 1976
    Date of Patent: June 28, 1977
    Assignee: USM Corporation
    Inventors: Andrew John Gilbride, John Frederick Martin