Rock milling cutters

Details Rock milling cutters Rock milling cutters

E - Fixed Constructions

21

C

262/83

E21C 35/19 (2006.01) E02F 3/76 (2006.01)

Patent

CA 1072588

IMPROVEMENTS IN ROCK MILLING CUTTERS Abstract of the Disclosure An assembly of a cutter head and cutter tool holders for a drilling machine, the cutter tool holders each being mounted by means of a tongue-and-groove connection, the groove being narrowed by a projection from one of its sides and the tongued member of the connection having opposed contact means respectively engageable with corresponding contact means of the grooved member of the connection whereby the two members can be wedgedly locked together, one of the corresponding contact means being constituted by that portion of the projection which is nearer the base of the groove.

297977

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