Patent · US Expired

Torque wrenches

US4458563A · kind A · utility

7Cited by
6References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 1, 1982
Grant dateJul 10, 1984
Priority date
Expiry dateFeb 1, 2002

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/1529
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A torque producing tool of compact design may have its driven output member displaced from the tool body through use of an easily attachable extension drive. By providing a plurality of different extension drives the maximum output torque of the tool may be varied in stepwise fashion.

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