Patents by Inventor Bruno Pizzi

Bruno Pizzi 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).

  • Taper roller bearing, particularly for railway use
    Patent number: 4728204
    Abstract: A taper roller bearing is described which has the particular feature of having the track of the inner ring capable of being inspected, such characteristic is obtained by means of a spacer cage the bridges of which extend both above and below the roller pitch circle identified by the axes of the rollers in such a way as to retain these latter in the pockets of the cage both on the outer ring side and on the inner ring side of the bearing; the cage in the pockets of which the rollers are snap-engageable, is removable together with the rollers of the track of the inner ring, being axially fixed to this latter by snap-engagement.
    Type: Grant
    Filed: November 5, 1986
    Date of Patent: March 1, 1988
    Assignee: Riv-SkF Officine di Villar Perosa S.p.A.
    Inventors: Franco Colanzi, Bruno Pizzi