Patents by Inventor John L. Blake, Jr.

John L. Blake, Jr. 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: 3971565
    Abstract: A nonrotatable seal assembly is provided for use with a conventional pillow block housing to form a positive barrier to prevent the entry of foreign contamination. The seal assembly has a thin body portion provided with two peripheral grooves each adapted to receive a rib on a wall of the pillow block housing with a deformable sealing member on the outer periphery of said body portion between the grooves. Said seal assembly has a pin extending into the wall of the pillow block housing to prevent relative rotation therebetween. A thicker body portion of the seal assembly contains a lubrication recess between first and second seals with a conventional lubrication fitting communicating with said recess.
    Type: Grant
    Filed: May 27, 1975
    Date of Patent: July 27, 1976
    Assignee: SKF Industries, Inc.
    Inventors: Joseph H. Schickling, John L. Blake, Jr., Walter Hyduk