Patent · US Expired

Method of replacing a worn excavating tooth point

US5074062A · kind A · utility

56Cited by
14References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 10, 1990
Grant dateDec 24, 1991
Priority date
Expiry dateSep 10, 2010

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T403/7086
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A method of replacing a worn point of an excavating tooth wherein the point is held in place by a pin lock including a shearable top flange and torque-resisting, forwardly extending rib, the method including exerting a downward force on the pin lock to shear the top flange while the forwardly extending rib guides the pin lock downwardly and out of locking engagement with aligned slots in the tooth adapter nose and point rearwardly extending ear, removing the worn point and installing a new point along with a new pin lock including a top flange and forwardly extending rib.

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