Tool assembly for mining machines, coal planes and coal cutting

Details Tool assembly for mining machines, coal planes and coal cutting Tool assembly for mining machines, coal planes and coal cutting

1987-12-08

1988-10-11

Massie, Jerome

Mining or in situ disintegration of hard material

Miscellaneous

175413, 403378, 407 47, 407102, E21B 1062, E21C 2744

Patent

active

047766395

ABSTRACT:
A tool assembly for mining machines and particularly for coal planes or coal cutting machines comprises a cutter which has a shank portion which is engaged to a seat of a size comparable to the shank portion of a cutter holder and it is held in that position by a locking pin which extends through aligned bores of the holder and the shank portion which may be retracted into a knockout slot defined in the shank portion which is closed on each side by a portion of the cutter holder in an arrangement in which the locking pin may be retracted into the knockout slot for removal of the cutter.

REFERENCES:
patent: 3904247 (1975-09-01), Ostrop
patent: 4609227 (1986-09-01), Wild et al.

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