Free spinning laminated nut with automatic lock
Nut and washer single assembly structure
Nut and stud assembly
Laminated nut having cage with nested fingers and method of manufacture Patent #: 4940377
ApplicationNo. 526054 filed on 05/21/1990
US Classes:411/432, Multipart411/222Internally threaded locking member (e.g., jam nut)
ExaminersPrimary: Lindsey, Rodney M.
Attorney, Agent or Firm
Foreign Patent References
International ClassF16B 037/08
AbstractA laminated nut structure and method of making same with the nut structure having a plurality of coned disc washers having a common threaded bore with the disc washers being held in a cage having fingers gripping the disc washers with at least one of the disc washers being of a deformable material and the others being of a hard material with the threads in the portion of the bore defined by the one disc washer being deformed to provide a prevailing torque characteristic with the thread of an associated bolt portion and with at least one of the cage fingers having an opening in line with the one of the disc washers whereby it can be engaged by a tool to deform the thread at that location.
Field of SearchMultipart
INTERNALLY THREADED FASTENER ELEMENT, E.G., NUT, ETC.
Internally threaded locking member (e.g., jam nut)
Comprising a thread lock
Member preassembled with substructure at through-passage or recess for holding single bolt or nut in coaxial relation therewith
Predistorted thread pitch or diameter
Segmented internally threaded element
Discrete segments carried within a housing
Including means associated with at least one of the nuts for restricting rotation therebetween
Received in axially extending passages or recesses