Patents by Inventor Dawson M. Collins

Dawson M. Collins 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: 4840607
    Abstract: A weight reduced pulley for "K" type poly-v belt systems includes a body having an outer cylindrical surface. A plurality of raised ribs extend from said surface and run circumferentially around said surface. A plurality of trough areas are positioned between the ribs. The ribs and troughs corresponding to the location of indented and raised areas, respectively, on a poly-v belt. The ribs have a cross sectional profile extending radially traverse of the axis of rotation of the pulley, each rib being bounded by a pair of planar side walls at relative angles of 40.degree.+0.5.degree.. The side walls terminate in a 140.degree. arc having a radius of 0.5 mm, the outermost point of said arc terminating 0.96 mm inward of the intersection of the upward projections of the planar side walls or apex. The planar side walls extend radially inward at least 3.44 mm from said apex. The trough areas are bounded by the outer cylindrical surface of said pulley, said surface being 3.57 mm from said apex.
    Type: Grant
    Filed: June 26, 1987
    Date of Patent: June 20, 1989
    Assignee: Dyneer Corporation
    Inventors: Gary L. Hitchcock, Henry W. Thomey, Yahya Hodjat, Marc R. Cadarette, Dawson M. Collins