Including Structure Interfitting Within A Thread For Less Than A Full Turn Thereof Patents (Class 411/249)
  • Patent number: 9777760
    Abstract: A locking fastener includes a thermoplastic fastener body, a locking coil, and a support collar. The fastener body defines a cylindrical cavity and a radially extending slot communicating with the cavity. The support collar has an arcuate portion and first and second tabs extending radially outward from the arcuate portion. The support collar is disposed within the fastener body with the arcuate portion adjacent the cavity wall and the tabs extending into the slot. The locking coil has a helical portion and first and second tangs extending radially outward from the helical portion. The helical portion of the locking coil is positioned within the support collar, and the first and second tangs extend into the slot and between the first and second tabs.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: October 3, 2017
    Assignee: FLOW-RITE CONTROLS, LTD.
    Inventors: Harrie W. Bonnah, II, Dennis James Anderson
  • Patent number: 4405274
    Abstract: A snap ring is attachable to and detachable from a bolt with ease, the snap ring having a twisted part that enables the snap ring to extend around portions of two adjacent convolutions of the thread, the snap ring also having a split to enable portions of the snap ring to pass from one convolution to an adjacent convolution over the crest of a thread to thereby prevent the nut from coming off the bolt.
    Type: Grant
    Filed: January 27, 1982
    Date of Patent: September 20, 1983
    Assignee: Toho Asechiren Kabushiki-kaisha
    Inventors: Tatsuo Saitoh, Tsutomu Hasebe