Patents by Inventor Engeny S. Mitrofanov

Engeny S. Mitrofanov 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: 4568031
    Abstract: A gyratory crusher comprises a housing having arranged therein an adjustment ring with an upper support of a crushing cone provided with a ball joint fixed in position in a cross-piece of the adjustment ring. The crushing cone has a shaft pressed thereinto and inserted by its upper end to the ball joint for the ball joint to be capable of displacement along the shaft. The crushing cone is placed on a spherical surface of a thrust element which bears on a cup member to slide thereon. The lower shank of the shaft is provided with an accentric rotatable by a drive means.
    Type: Grant
    Filed: February 3, 1984
    Date of Patent: February 4, 1986
    Inventors: Engeny S. Mitrofanov, Boris G. Ivanov, Nikolai A. Ivanov