Mineral cutter pick arrangement

Details Mineral cutter pick arrangement Mineral cutter pick arrangement

1979-05-22

1981-06-23

Purser, Ernest R.

Mining or in situ disintegration of hard material

Miscellaneous

37142A, 175413, E21C 3518

Patent

active

042746779

ABSTRACT:
The specification describes a mineral cutter pick arrangement in which the cutter pick has a body member with a cutter tip formed at one end thereof. The widest dimension of the cutter pick transverse to the forward direction of movement of the cutter pick adjacent the cutter tip being greater than the corresponding dimension of a cutter pick holder on which, in use, the pick is mounted; the cutter pick body member being formed at one end with a top member extending rearwardly of the body member, wherein the rearmost surface of said top member extends from the undersurface of said top member at an angle which diverges from the normal to the undersurface of said top member.

REFERENCES:
patent: 2167425 (1939-07-01), Page
patent: 3001591 (1961-09-01), Johnson
patent: 3085635 (1963-04-01), Livermore
patent: 3297364 (1967-01-01), McPherson
patent: 3751115 (1973-08-01), Proctor
patent: 3773114 (1973-11-01), Griffin
patent: 3820849 (1974-06-01), Lundstrom et al.

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