Tool for breaking, cutting or working of solid materials

Details Tool for breaking, cutting or working of solid materials Tool for breaking, cutting or working of solid materials

1988-06-13

1990-05-01

Massie, IV, Jerome W.

Mining or in situ disintegration of hard material

Miscellaneous

299 86, E21C 3518

Patent

active

049213105

ABSTRACT:
A tool for breaking, cutting, and working solid materials includes a rearwardly extending shaft adapted to be inserted into the bore of a holder. The shaft includes an annular groove located adjacent a rearmost end thereof. A cylindrical clip is mounted on the shaft for retaining the tool within the holder. The clip includes a longitudinal slot extending longitudinally completely therethrough. A rear free end of the clip is inwardly bent into the groove of the shaft to oppose longitudinal forward movement of the shaft relative to the clip.

REFERENCES:
patent: 3519309 (1970-07-01), Engle et al.
patent: 4201421 (1980-05-01), Den Besten et al.
patent: 4684176 (1987-08-01), Den Besten et al.
patent: 4728153 (1988-03-01), Ojanen et al.
patent: 4836614 (1989-06-01), Ojanen
patent: 4850649 (1989-07-01), Beach et al.

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