Patents by Inventor Donald H. Hinkle

Donald H. Hinkle 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: 4507837
    Abstract: An extractor tool for removing a die button from an opening in a die block into which the button has been securedly pressed. The die button has an axial opening therethrough. The tool includes a hollow expandible extractor insertable into and through the opening in the button and having spaced legs at the engaging end thereof. The spaced legs of the extractor are forced outwardly into firm engagement with the die button upon movement into the hollow extractor of an expansion pin. Both the expandible extractor and the expansion pin are threaded to an extractor sleeve which is received through a central opening in a spacer. The spacer is of substantially hollow cup shape and is adapted to engage the top of the die block surrounding the die button and receive the die button upon its extraction from the die.
    Type: Grant
    Filed: July 11, 1983
    Date of Patent: April 2, 1985
    Assignee: Dana Corporation
    Inventor: Donald H. Hinkle