Patents by Inventor Ernest A. Langley

Ernest A. Langley 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).

  • Cover release mechanisms
    Patent number: 5005725
    Abstract: A cover release mechanism to enable a cover to be released while being subjected to a high inwardly acting pressure differential. The mechanism comprises:a caliper mechanism having two or more claiper members mounted within the cover, at least one of which members has an associated sealing member; anda high energy release mechanism mounted within the cover so that it acts in association with the caliper mechanism.Under normal operating conditions, with the cover member secured into position, the or each of the sealing members engages in a detent, normally a throughbore, in the cover. In order to release the cover, the high energy release mechanism is activated causing at least one of the caliper members to move, and the associated sealing means to disengage from the respective detents.
    Type: Grant
    Filed: June 30, 1989
    Date of Patent: April 9, 1991
    Assignee: Dowty Maritime Systems Limited
    Inventors: John C. Goodwin, Roy Kirby, Ernest A. Langley