Patents Assigned to Window Machinery Sales Limited
  • Lockable handle
    Patent number: 4991414
    Abstract: A lockable handle assembly includes a handle supported on a backplate, with a lock body retained in a slideway in the head of the handle. The lock body has a protruding first pin which engages within the back plate in a locking position, and a second pin which travels along a second recess. A biasing spring is retained against the second pin.
    Type: Grant
    Filed: December 21, 1989
    Date of Patent: February 12, 1991
    Assignee: Window Machinery Sales Limited
    Inventors: Joseph Moore, Roger W. Tasker