Patent · US Expired

Zero on prevailing torque nut

US6132153A · kind A · utility

17Cited by
5References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 2, 1999
Grant dateOct 17, 2000
Priority date
Expiry dateSep 2, 2019

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16B39/38
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A lock nut having a body member with a threaded axial bore and a washer having an axial opening coupled to a bottom end portion thereof so that the opening of the washer is aligned substantially with the threaded axial bore. The washer has one or more fingers with threaded finger tip portions partially defining the opening thereof. The threaded finger tip portions of the washer are in-phase helically with the threaded axial bore of the body member. A recess is disposed between the washer and the body member, and a protruding portion of the washer extends from the bottom end portion of the body member.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.