Mining machine cutter pick insert

Details Mining machine cutter pick insert Mining machine cutter pick insert

1985-01-29

1987-07-14

Novosad, Stephen J.

Mining or in situ disintegration of hard material

Miscellaneous

175410, 407118, E21C 3518, E21B 1046

Patent

active

046798587

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.

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patent: 4505342 (1985-03-01), Barr et al.
patent: 4520881 (1985-06-01), Phaal
patent: 4529048 (1985-07-01), Hall
patent: 4536037 (1985-08-01), Rink

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