Patents Assigned to H. S. Mason Pty. Limited
  • Pivotal connection
    Patent number: 4017198
    Abstract: This invention relates to an improved pivotal coupling in which the rotational connection between the two coupling parts is defined by a cylindrical portion on one coupling part having a plurality of axially spaced circumferential grooves formed on the outer wall thereof and engaged by a plurality of complementary ridges formed on the inner wall of a bore formed in the other coupling part to contain the two parts against relative axial movement without restricting rotational movement therebetween.
    Type: Grant
    Filed: June 3, 1975
    Date of Patent: April 12, 1977
    Assignee: H. S. Mason Pty. Limited
    Inventor: Henry Stanford Mason