Patents by Inventor Andrey L. Zanow

Andrey L. Zanow 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).

  • Plate-type friction draft gear
    Patent number: 4305514
    Abstract: A high capacity plate-type friction draft gear is disclosed for utilization with railroad cars. The draft gear has a friction clutch mechanism with a special two-piece split spring seat, so that two individual spring forces can be exerted separately against the friction shoes to maintain operability of the friction clutch mechanism when the various plates become worn to the point of normal replacement.
    Type: Grant
    Filed: November 16, 1979
    Date of Patent: December 15, 1981
    Assignee: Midland-Ross Corporation
    Inventors: Andrey L. Zanow, Donald Willison
  • Two-shoe draft gear
    Patent number: 4304397
    Abstract: A draft gear is described as having rubber cushion pads and a friction clutch with a wedge and two friction shoes. The housing of the draft gear is provided with strategically located openings through which bars can be passed to neutralize the spring force of the cushion pads and facilitate assembly and disassembly of the draft gear. Further, an extra spring is provided to continuously load the wedge shoes to maintain them in frictional engagement with the wedge.
    Type: Grant
    Filed: April 21, 1980
    Date of Patent: December 8, 1981
    Assignee: Midland-Ross Corporation
    Inventor: Andrey L. Zanow
  • Cushioning device
    Patent number: 4111406
    Abstract: A compression-type cushioning pad provides load-travel characteristics to meet specific shock cushioning requirements. The pad comprises a metal plate having a cushion of elastomer bonded to at least one side thereof, the cushion having a corrugated surface configuration contoured to provide the desired load-deflection characteristics.
    Type: Grant
    Filed: November 12, 1976
    Date of Patent: September 5, 1978
    Assignee: Midland-Ross Corporation
    Inventor: Andrey L. Zanow