Patent · US Expired

Self lubricating nut

US4830559A · kind A · utility

3Cited by
11References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 25, 1988
Grant dateMay 16, 1989
Priority date
Expiry dateMar 25, 2008

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16B33/06
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A self lubricating nut having a central cavity for insertion of a bolt, a lubricant passage through said nut which opens into an internal bored circumferential gland, and at least one internal bored axial gland which crosses said circumferential gland.

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