Patents by Inventor Roland C. Thomas

Roland C. Thomas 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).

  • Power transmission sheave and method of manufacturing the same
    Patent number: 5147248
    Abstract: A power transmission sheave and method of manufacturing such sheave wherein the groove of the sheave incorporates critical dimensions to make it adaptable for use with any of several commercially known grooved sheaves and belts therefor, the sheaves having differing proximal critical dimensions including those relating to the side wall angles of slope, the top and bottom widths and the normal groove depths.
    Type: Grant
    Filed: August 26, 1991
    Date of Patent: September 15, 1992
    Assignee: Emerson Electric Co.
    Inventors: Michael L. Lewis, Paul G. Kurre, George B. Day, Daniel G. Fannin, Roland C. Thomas
  • Power transmission multi-groove sheave and method of manufacturing the same
    Patent number: 5147249
    Abstract: A power transmission multi-groove sheave and method of manufacturing such sheave wherein each of the grooves of the multi-groove sheave incorporate critical dimensions to make it adaptable for use with any of several commercially known multi-groove sheaves and belt sets therefor, the multi-groove sheaves having differing proximal critical dimensions including those relating to the side wall angles of slope, the top and bottom widths, the normal depths, and the spacing between width centers of adjacent grooves.
    Type: Grant
    Filed: August 26, 1991
    Date of Patent: September 15, 1992
    Assignee: Emerson Electric Co.
    Inventors: Michael L. Lewis, Paul G. Kurre, George B. Day, Daniel G. Fannin, Roland C. Thomas