Cutter bit assembly

Details Cutter bit assembly Cutter bit assembly

1982-06-25

1984-06-26

Leppink, James A.

Mining or in situ disintegration of hard material

Miscellaneous

407 41, 407 49, E21B 1000

Patent

active

044563078

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: 2111785 (1938-03-01), Kittrell
patent: 2123213 (1938-07-01), Simmons
patent: 2272692 (1942-02-01), Dartnell
patent: 4182058 (1980-01-01), Poncin
patent: 4271615 (1981-06-01), Jones

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