Including Element Spacing Member From Substructure Patents (Class 411/100)
  • Locking or securing device for a rotatable machine element, such as a bolt or a nut
    Patent number: 4737057
    Abstract: A locking device for fasteners such as hex nuts and bolt heads comprises plate-like body having an opening with centrally directed teeth which engage the nuts or heads when the device is pressed over them. A spring device or a bolted connector forces the locking device into a canted position in which it locks itself to the nut or head. By connecting pairs of such locking devices to each other, adjacent nuts or heads are prevented from rotating.
    Type: Grant
    Filed: December 11, 1986
    Date of Patent: April 12, 1988
    Assignee: Awapatent AB
    Inventor: Rolf Olsson