Patents Assigned to Hong-Kong Disc Lock Company Ltd.
  • Wedge-locking fastener assembly with ring retainer for washer
    Patent number: 6554552
    Abstract: A combination nut and washer is retained in a preassembled position by an annular pilot that extends toward the central hole in the washer to permit the washer to be rotated 360° with respect to the nut. The lower end of the pilot has a groove. A split ring is mounted in the groove to retain the washer in its preassembled position with respect to the nut.
    Type: Grant
    Filed: April 26, 2001
    Date of Patent: April 29, 2003
    Assignee: Hong-Kong Disc Lock Company Ltd.
    Inventor: Alistair N. McKinlay
  • Self-locking fastener with captive washer
    Patent number: 5688091
    Abstract: This invention relates to a wedge-locking fastener assembly in which a washer is connected to flanged nut by a series of tabs that extend around the outer edge of the flange on a nut.
    Type: Grant
    Filed: April 30, 1996
    Date of Patent: November 18, 1997
    Assignee: Hong-Kong Disc Lock Company, Ltd.
    Inventor: Alistair N. McKinlay