Patent · US Expired

Tool for releasing a nut threaded onto a bolt

US3992777A · kind A · utility

9Cited by
5References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 22, 1976
Grant dateNov 23, 1976
Priority date
Expiry dateMar 22, 1996

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB23D29/007
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

There is disclosed a tool comprising a body having an opening which may be moved over a nut threaded onto a bolt and a surface on the opening to support the flat side of the nut, a bore in the body connected at one end with the opening opposite the supporting surface, and a rod having a cutting edge longitudinally reciprocal within the bore toward and away from the nut in the opening. The rod is so reciprocated by an operating system which includes a piston on the rod reciprocable within a cylinder on the body connecting with the other end of the bore.

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