Patents by Inventor Curtis J. Eccardt

Curtis J. Eccardt 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).

  • Portable workbench
    Patent number: 4364548
    Abstract: A portable workbench having a combination tabletop/dual-screw vise in which the ends of the vise screws are connected to a movable vise jaw and in which the ends of the vise screws are constrained against both lateral and vertical movement. The workbench includes pipe legs which are readily installed in or readily removed from "twist-lock" leg sockets carried by the workbench without the necessity of utilizing any fasteners (e.g., bolts or screws) or even simple hand tools.
    Type: Grant
    Filed: October 6, 1980
    Date of Patent: December 21, 1982
    Assignee: Emerson Electric Co.
    Inventor: Curtis J. Eccardt
  • Hand tool rest for forming curved surfaces
    Patent number: 4133357
    Abstract: A rest for a hand held wood turning tool which facilitates the forming of concave and convex surfaces has a horizontal rest bar comprising two joined and oppositely curving arcuate portions of different curvature in the general form of a letter "S," with a bevelled tool rest surface extending continuously along one side thereof and an intermediately positioned downwardly extending cylindrical mounting post. A simplified modification has a single horizontal arcuate rest bar with bevelled tool rest surfaces extending along both sides.
    Type: Grant
    Filed: July 15, 1977
    Date of Patent: January 9, 1979
    Assignee: Emerson Electric Co.
    Inventors: George J. Groya, Curtis J. Eccardt