Mining cutter bit holder and mounting assemblies

Details Mining cutter bit holder and mounting assemblies Mining cutter bit holder and mounting assemblies

1978-10-02

1980-12-23

Pate, III, William F.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Tooth mounted on helical head portion or head with helical...

299 91, E21C 2512

Patent

active

042406692

ABSTRACT:
A mining cutter bit holder and mounting assembly providing for positive engagement of the load bearing surfaces between the holder and mounting base. The bit holder and mounting base cooperate to support the bit against lateral forces and inhibit rotation of the holder within the socket in the base. Load support surfaces are arranged so that as the bit holder is clamped in the base and positive contact is made between surfaces. Bit support surfaces are provided at the front and rear of the bit holder.

REFERENCES:
patent: 3397012 (1968-08-01), Krekeler
patent: 3498677 (1970-03-01), Morrow
patent: 3519309 (1970-07-01), Engle et al.
patent: 3830546 (1974-08-01), Kniff
patent: 3992061 (1976-11-01), Rollins

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