Patents by Inventor J. N. Cavin

J. N. Cavin 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: 4516905
    Abstract: A roll clamp for handling of rolls or other loads carried by a lift truck. The clamp includes a rotator having a rear base plate for being mounted upon the lift mast of the truck, permitting it to be raised or lowered to a vertical position. A frame is gimballed to the rotator front plate. Extending forwardly from the clamp assembly is a pair of clamp arms which are swingably disposed, or pivot relative to the frame for closing and opening by movement toward and away from each other. The rotator rotates the frame relative to the mast about a clamp rotation axis. Hydraulic cylinders selectively open and close the arms, which have clamp pads at their distal ends for engaging the load surfaces. The rotator base plate carries a swash ring defining a plane skewed relative to the axis of clamp rotation.
    Type: Grant
    Filed: November 17, 1982
    Date of Patent: May 14, 1985
    Assignee: Hoover Universal, Inc.
    Inventors: J. N. Cavin, Kenneth A. Frees