Patents by Inventor Daniel J. Doncaster

Daniel J. Doncaster 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).

  • Preventing movement of an article along a shaft
    Patent number: 5018898
    Abstract: For an assembly comprising a shaft (106) and an article (104) mounted on the shaft, a device (116) mounted on the shaft prevents movement of the article (104) along the shaft towards the device. The device preferably comprises a ring (116).To protect the ring from accidential blows which may dislodge it, the assembly includes a cap (120).To simplify manufacture of the ring, the projections of "noses" (118) are provided separately, preferably as part of the cap.
    Type: Grant
    Filed: December 4, 1989
    Date of Patent: May 28, 1991
    Assignee: SKF (UK) Limited
    Inventors: Keith W. Woodbridge, Daniel J. Doncaster, Ronald F. Hamblin