Patents by Inventor Nadezhda N. Zelenskaya

Nadezhda N. Zelenskaya 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: 4502310
    Abstract: A conveyor roller wherein a hollow cylindrical shaft 1 with perpendicular end walls 2 carries axle shafts 3 for mounting the bearings. The end walls 2 and axle shafts 3 are made integral with the hollow cylindrical shell 1, the end walls 2 being of a variable thickness which grows into the cylindrical shell 1 in the direction from its periphery to the geometrical axis.A method of manufacture of the conveyor roller wherein the ends of the rotating tubular billet heated to a forging temperature are rolled consecutively until truncated cones are obtained, the smaller base of each cone being somewhat larger than the diameter of the roller axle shaft 3, then, continuing the rolling of each end, the axle shaft 3 and the end wall 2 of the roller are simultaneously formed in the direction from the smaller base of the truncated cone to its larger base, the end wall of the roller being of a variable thickness which grows radially into the cylindrical shell 1 from the periphery to its geometrical axis.
    Type: Grant
    Filed: March 9, 1981
    Date of Patent: March 5, 1985
    Assignee: Gosudarstvenny Proektny I Konstruktorsky Institut Sojuzprommekhanizatsia
    Inventors: Anatoly N. Gnutov, Boris S. Golberg, Nadezhda N. Zelenskaya, Vladimir G. Kaporovich, Vladimir V. Kaporovich, Varlen K. Pirogov, Jury V. Romanov, Viktor G. Sereda, Jury P. Sidorov, Vitaly K. Udovenko, Aron N. Tsoglin