Patents by Inventor David J. Marmillion

David J. Marmillion 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: 4636020
    Abstract: This invention relates to electrical connectors of the type having insertable contacts. The invention is more particularly related to the molded contact retaining insert (10) of the connector that is characterized by a plurality of triangularly shaped passages (15) each having a retention finger (1, 2, 3) in each corner of the triangle to maximize the density of the passages (15) within a given area. At least one side (11) of each passage (15) is parallel to one side (13) of an adjacent passage.
    Type: Grant
    Filed: May 31, 1983
    Date of Patent: January 13, 1987
    Assignee: Allied Corporation
    Inventor: David J. Marmillion
  • Patent number: 4479689
    Abstract: A coupling nut (300) mounted to a first shell (100) for connection to a threaded second shell (200) comprises: an operating sleeve (600) rotatably circumposing inner front and rear coupling sleeves (400, 500) having their adjacent ends threadedly interconnected; a roll bar (700) operatively driven by operating sleeve (600) for engaging spaced end faces on respective coupling sleeves to cause relative rotation therebetween; and a coil spring (800) for constantly biasing the coupling sleeves (400, 500) into a first position, right-handed thread (220, 420) operating between second shell (200) and front coupling sleeve (400) and left-handed thread (430, 530) operating between the coupling sleeves (400, 500), coupling rotation beyond mating engagement between the assembly by the right-handed threads causing coil spring (800) to compress and transmit uncoupling rotation to the left-handed threads whereupon the coupling sleeves separate and further coupling rotation of the right-handed thread, uncoupling rotation of
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: October 30, 1984
    Assignee: The Bendix Corporation
    Inventors: David J. Marmillion, Robert W. Brush, Sr.
  • Patent number: 4361374
    Abstract: The invention described is a plastic electrical connector characterized by a metal sleeve 20 mounted around the bayonet pin 12 coupling that projects from a connector housing 10.
    Type: Grant
    Filed: November 14, 1980
    Date of Patent: November 30, 1982
    Assignee: The Bendix Corporation
    Inventors: David J. Marmillion, Alan L. Schildkraut, David O. Gallusser