Patents by Inventor Edward P. Scherrer

Edward P. Scherrer 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).

  • Mechanism for connecting and disconnecting crane sections
    Patent number: 4436444
    Abstract: An improved mechanism for connecting and disconnecting crane sections having a split locking ring positionable when contracted within a groove in one crane section and expandable into a groove in one crane section and expandable into a groove in the other crane section, with a double-acting ram connected at the free ends of the locking ring to control contraction and expansion thereof. A single acting ram is connected to provide a radial force at the heel of the locking ring when the latter is expanded.
    Type: Grant
    Filed: January 25, 1982
    Date of Patent: March 13, 1984
    Assignee: FMC Corporation
    Inventor: Edward P. Scherrer