Patent · US Expired

Mining machine cutter pick insert

US4679858A · kind A · utility

27Cited by
14References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 29, 1985
Grant dateJul 14, 1987
Priority date
Expiry dateJan 29, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T407/26
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A cutting tool for a mining machine of the type used for cutting soft materials such as coal. The cutting tool has a holding lug 10 and a cylindrical pin 18 located in a socket in the holding lug and presenting a cutting edge or surface in the form of an abrasive compact 26. The pin 18 is secured in the socket by means of a non-metallic adhesive or soft solder and a body 38 located in a cavity formed by co-operating and aligned grooves 32, 34 formed in contacting surfaces of the pin and a side of the socket. The body 38 in the cavity serves to restrain the pin against rotational movement in the socket.

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