Patent · US Expired

Torque prevailing stud

US6827538B2 · kind B2 · utility

6Cited by
41References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 9, 2002
Grant dateDec 7, 2004
Priority date
Expiry dateSep 9, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S411/938
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

A torque prevailing stud having a male component made of a shank with an outer wall that is threaded, a gripping component formed on the shank, and a wedge ramp rolled in a portion of the threaded outer wall. A female component having a body with a threaded bore that is used for engaging the male component. The threaded bore of the female component matingly engages a portion of the threaded outer wall and the wedge ramp when screwed thereon. The wedge ramp forces the threaded bore to conform to the shape of the wedge ramp thereby securing the male and female components together in a torque prevailing fit.

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