Patents by Inventor Robert F. Pratt

Robert F. Pratt 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: 6185898
    Abstract: A shear frame assembly of the type having a pair of tensioned diagonal straps that provide resistance to shear loads. The shear frame assembly includes a pair of laterally opposed vertical supports each having a first end portion and each vertical support has an aperture in its first end portion. The aperture is sized to receive one of the tensioned diagonal straps therethrough. Transverse top and bottom plates extend between the end portions of the vertical supports. A strap-alignment member is positioned in each aperture and each alignment member is positioned to receive and align the tensioned strap within the aperture. A force distributing member is positioned in each aperture and interposed between the alignment member and the respective vertical support. Each vertical support is formed by three studs that are connected together by bands that wrap around the studs so as to sandwich the middle stud between inner and outer studs.
    Type: Grant
    Filed: July 10, 1998
    Date of Patent: February 13, 2001
    Inventor: Robert F. Pratt