Mining cutter bit holder and mounting assemblies

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

E - Fixed Constructions

21

C

262/83

E21C 27/20 (2006.01)

Patent

CA 1147355

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.

384434

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