Patents by Inventor E. L. Potter

E. L. Potter 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).

  • Chain saw automatic sharpening method and assembly
    Patent number: 4506565
    Abstract: A mechanical drive assembly that is particularly useful for moving a sharpening stone into engagement with a sharpenable chain saw is mounted to the side plate of the chain saw housing. The stone moves linearly a predetermined stroke length toward and away from the chain, and the beginning position thereof is incrementally adjustable, to take into account wear of the stone. The stone may be returned to an original position, for replacement, in another distinct mode of operation.
    Type: Grant
    Filed: July 29, 1982
    Date of Patent: March 26, 1985
    Assignee: Textron, Inc.
    Inventor: E. L. Potter