Patents by Inventor Thomas J. Pestka

Thomas J. Pestka 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: 5086614
    Abstract: A powered vegetation cutting deck adapted to be pulled by a tow vehicle which has a cylindrical deck housing with a solid top supported at its rear by a wheeled carriage. The deck has a skirt that completely surrounds flattened cutting blades under the deck so that the discharge of cut vegetation is vertical and downward with even distribution so that there are no wind rows produced. An internal combustion engine is mounted on the deck to power the cutting blades. Power is transmitted to the blades through a special pulley and a "v" belt system that features a clutch construction that allows the disconnection of the power path by a special idler and lever system. In the event of wheel or carriage damage, rear ground contact runners or skids secured to the deck enable the mower to be readily towed to a service area with the rear carriage moved to a stowed position. The skids also establish a minimum cutting height.
    Type: Grant
    Filed: December 20, 1990
    Date of Patent: February 11, 1992
    Assignee: Mobil Oil Corporation
    Inventor: Thomas J. Pestka