Mining or in situ disintegration of hard material – Miscellaneous
Patent
1985-06-24
1989-02-14
Massie, Jerome W.
Mining or in situ disintegration of hard material
Miscellaneous
175410, E21C 3518
Patent
active
048042315
ABSTRACT:
A cutter bit holder which can be used as a point attack mine tool and a road milling tool is described. The cutter bit holder has a replaceable cutter tip which can be replaced in the field when the cutter tip is worn by unscrewing the flange from the shank of the holder and replacing the worn cutter tip with a new one.
REFERENCES:
patent: 874455 (1907-12-01), Swanton et al.
patent: 3807804 (1974-04-01), Kniff
patent: 3932952 (1976-01-01), Helton et al.
patent: 4199035 (1980-04-01), Thompson
Buljan Sergej-Tomislav
Sarin Vinod K.
Bagnell David J.
Ericson Ivan L.
GTE Laboratories Incorporated
Massie Jerome W.
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