Patents by Inventor David J. Ackland

David J. Ackland 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).

  • Gripping device and locking mechanism for use therewith
    Patent number: 4823792
    Abstract: A clamping device which includes a pair of elongated members which are pivotably but releasably connected. A pivot mechanism exists between gripping ends and handle ends of the elongated members. Female and male members comprise a box hinge whereby the cam holds the elongated members in a secure but pivotable relationship between a closed position for the gripping ends and a maximum open position. If the elongated members are moved beyond the maximum open position, the male cam member can be separated from the female receptor member.
    Type: Grant
    Filed: May 11, 1987
    Date of Patent: April 25, 1989
    Assignee: Andrew Tool Company
    Inventors: David H. Dulebohn, David J. Ackland