Patents by Inventor Willis A. Smith

Willis A. Smith 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: 4206672
    Abstract: In a jig for feeding a work piece into the cutter of a table rotary cutting tool and having a through-slot extending into the base plate of the jig from one edge thereof, a combination guard and work clamp comprising two parallel plates pivotally attached to the jig and operable to swing downwardly on opposite sides of the through-slot to clamp a work piece and to enclose the cutter as the work is advanced into the cutter.
    Type: Grant
    Filed: August 16, 1978
    Date of Patent: June 10, 1980
    Inventor: Willis A. Smith
  • Patent number: 4111409
    Abstract: The jig includes a base plate slidably positionable upon the tool table and having an upper surface for supporting a work piece which is to be cut. Two parallel guide bars are attached to the underside of the base plate to slide within the guide slots of the tool table. The base plate includes a substantially vertical work advancing abutment extending upwardly from the work-supporting surface, and a through slot extending from the edge opposite to the work advancing abutment for accommodating the cutting tool.
    Type: Grant
    Filed: May 6, 1977
    Date of Patent: September 5, 1978
    Assignee: Russell W. Wasylchak
    Inventor: Willis A. Smith