Patent · US Expired

Torque limiting apparatus

US5070750A · kind A · utility

18Cited by
4References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 17, 1989
Grant dateDec 10, 1991
Priority date
Expiry dateApr 17, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/53687
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

To prevent the head of small sized bolts from being twisted off by a rotary electrically powered impact tool, a structure is provided between the outlet drive of the impact tool and the head of the bolt to minimize the torque transmitted between the impact tool and the bolt head.

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