Patents by Inventor Roy K. McCulloch

Roy K. McCulloch 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: 5145264
    Abstract: Flanged bearing bushes are described, the bearing bushes comprising a journal bearing element and a thrust flange bearing element on at least one end face of the journal bearing element, the at least one end face of said journal having at least two axially directed recesses adapted to receive generally axially directed tabs formed from thrust flange material and which tabs are fixed in position in the recesses by deformation of journal bearing element material adjacent the axially directed recesses. The flange element may be of generally annular, rectangular or any other polygonal shape.
    Type: Grant
    Filed: February 27, 1991
    Date of Patent: September 8, 1992
    Assignee: The Glacier Metal Company Limited
    Inventors: Donald J. S. Bryden, Peter T. Work, Hugh Mair, Roy K. McCulloch, Hugh M. Ross
  • Patent number: 5139348
    Abstract: Flanged bearing bushes are described, the bush comprising a journal bearing element and a thrust flange bearing element on at least one end of the journal member, the journal bearing member having a reduced diameter portion and a shoulder formed on the outer diameter of the at least one end having the flange element wherein the flange element is received on the reduced diameter portion with the rear face of the flange supported by the shoulder on the journal bearing member end, and the flange member being retained on the journal bearing membered by deformation of material on the reduced diameter portion of the journal bearing member into recesses formed in the bore of the flange element.
    Type: Grant
    Filed: February 27, 1991
    Date of Patent: August 18, 1992
    Assignee: The Glacier Metal Company Limited
    Inventors: Donald J. S. Bryden, Peter T. Work, Hugh Mair, Roy K. McCulloch, Hugh M. Ross