Patents by Inventor Karen L. Knox

Karen L. Knox 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: 6161650
    Abstract: A wheel case for a vibratory device. A vibratory device for vibrating aggregate material includes a frame and a rotating shaft extending transversely across the frame, with the shaft being rotatably supported on bearings and having a wheel moveable through a circular path. The bearings and the wheel are disposed in a wheel case which includes a housing having a base, a peripheral sidewall, and a cover, with the housing being sized to receive therein the wheel and the bearings and further being adapted to contain therein a quantity of lubricating oil for lubricating the wheel and the bearings. A baffle is mounted to either the housing base or the housing cover, and extends inwardly into the housing and includes a portion disposed adjacent the wheel path. The baffle is adapted to distribute lubricating oil to the bearings in response to rotation of the wheel.
    Type: Grant
    Filed: March 22, 1999
    Date of Patent: December 19, 2000
    Assignee: Cedarapids Inc.
    Inventors: David A. Ostergaard, Karen L. Knox, Edwin J. Sauser