Cutter bit assembly

Details Cutter bit assembly Cutter bit assembly

1981-07-31

1983-11-15

Purser, Ernest R.

Mining or in situ disintegration of hard material

Miscellaneous

175413, 299 86, E21C 3518

Patent

active

044152086

ABSTRACT:
A cutter bit assembly having an elongated cutter bit, a bit holder, a bit block and a locking means for removably affixing the bit holder to the bit block. The bit holder has a tapered locking lip and a tapered surface wherein a resultant cutting force provides a locking action between the tapers.

REFERENCES:
patent: 1468866 (1923-09-01), Morgan
patent: 3404501 (1968-10-01), Von Wedel
patent: 3989115 (1976-11-01), Ambrose
patent: 4057294 (1977-11-01), Krekeler
patent: 4240669 (1980-12-01), Rollins

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