Patent · US Expired

Socket wrench attachment

US3996819A · kind A · utility

26Cited by
3References
3Claims
0Family size

Inventor

Key dates

Filing dateJan 13, 1976
Grant dateDec 14, 1976
Priority date
Expiry dateJan 13, 1996

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB25B13/065
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A socket wrench attachment comprising a body, rotation means arranged at one end of the body for turning and rotating the body, a conical opening at the opposite end of the body, and a plurality of separate angularly rectilinear raised teeth circumferentially spaced on the interior surface of the conical opening, the raised teeth having a side tilted upward at a slight angle in the direction of rotation of the body and being spaced apart by an arc equal to about one-half that of each tooth.

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