Cutter bit assembly

Details Cutter bit assembly Cutter bit assembly

1984-05-14

1985-12-10

Novosad, Stephen J.

Mining or in situ disintegration of hard material

Miscellaneous

175413, 407 41, 407 49, E21C 3518, E21B 1062

Patent

active

045575258

ABSTRACT:
A cutter bit assembly comprises a holder and a cutter bit. The holder is formed with a pocket into which the cutter bit can be inserted. The cutter bit is retained within the pocket by means of an arcuate wedge inserted into a tapered gap formed between respective curved support faces formed on the cutter bit and the holder.

REFERENCES:
patent: 2272692 (1942-02-01), Dartnell
patent: 2747852 (1956-05-01), Krekeler
patent: 3116052 (1963-12-01), Osgood
patent: 3990162 (1976-11-01), Heinold et al.

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