Patent · US Expired

Method of measuring previously applied torque to a fastener

US4426887A · kind A · utility

20Cited by
3References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 7, 1983
Grant dateJan 24, 1984
Priority date
Expiry dateJan 7, 2003

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB25B23/14
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

The amount of previously applied torque to a fastener is measured by analyzing a series of digital torque values generated during a test of the fastener.

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