Grooves Formed In Radially Overlapping Elements Patents (Class 464/143)
Intersecting grooves (Class 464/144)
With intermediate positioning cage for ball (Class 464/145)
  • Universal joint
    Patent number: 4358283
    Abstract: A universal joint is provided with an outer ring and has a socket, an inner ring accommodated in the socket, and a set of flatted balls accommodated in groove-like ball races. The ball races are formed in the surface of the socket and in the surface of the inner ring, respectively, to transmit rotation from one ring to the other ring, wherein a ball with its flat face can freely cooperate with a curved surface of a race.
    Type: Grant
    Filed: March 6, 1980
    Date of Patent: November 9, 1982
    Assignee: SKF Industrial Trading & Development Co. B.V.
    Inventor: Zvonimir Z. Kumpar