Patents by Inventor William K. Berry

William K. Berry 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: 4893717
    Abstract: A hitch (10) for releasably connecting a double stack trailer to a road railer car having a tongue (14) having an opening (15) includes a top wall (16), bottom wall (24) and first and second walls (28) and (30) cooperatively connected to form a housing (12) for receiving the tongue (14) of the road railer car. The housing (12) has an upper pin receiving opening (18) in the top wall (16), and a lower pin receiving opening (26) in the bottom wall (24). The upper and lower pin receiving openings (18) and (26) are in alignment. A shaft (42) is positioned below the bottom wall (24) and cooperatively connected between the first side wall (28) and the second side wall (30). A lever (22) has an upper arm (44) cooperatively connected to a lower arm (46) with a pivot point (48) positioned between the arms (44) and (46 ). The lever (22) has a portion of the upper arm (44) extending above the top wall (16), and the lower arm (46) is positioned below the bottom wall (24).
    Type: Grant
    Filed: January 27, 1989
    Date of Patent: January 16, 1990
    Assignee: Burlington Northern Railroad
    Inventors: William K. Berry, Gary S. Kaleta