Patents by Inventor David D. Holt

David D. Holt 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: 5698809
    Abstract: A primer removal tool (10) includes a receiving member (12) pivotally coupled to a guide rod assembly (14). An actuating member (16) is pivotally coupled to the receiving member (12) and the guide rod assembly (14). A first spring (18) is coupled between the receiving member (12) and the guide rod assembly (14). A second spring (20) is coupled between the guide rod assembly (14) and the actuating member (16). Pressure applied between the receiving member (12) and the actuating member (16) compresses the first spring (18) to allow the guide rod assembly (14) to enter the receiving member (12). Additional pressure compresses the second spring (20) to force the guide rod assembly (14) to move toward a press plate (24) of the receiving member (12). The guide rod assembly (14) forces a shell casing (30) against the press plate (24) to allow a de-priming pin (22) of the guide rod assembly (14) to separate a spent primer (32) from the shell casing (30) through an aperture (26) of the press plate (24).
    Type: Grant
    Filed: March 6, 1996
    Date of Patent: December 16, 1997
    Inventor: David D. Holt