Machine for working rock, especially a block drilling machine

Details Machine for working rock, especially a block drilling machine Machine for working rock, especially a block drilling machine

1987-12-30

1990-01-02

Watts, Douglas D.

Tool driving or impacting

With means to adjust position of axis of tool advance

Plural adjustments

173 22, 173 39, E21B 1504

Patent

active

048906808

ABSTRACT:
A machine for working rock, especially a block drilling machine, comprising at least one working tool, especially drilling tool. The drilling unit comprising the drilling tool is adapted to be connected to a supporting means in such a way that it has three degrees of freedom of rotation relative to the supporting means, which means it is movable, i.e. rotatable, relative to the supporting means about three axes which are respectively normal to each other. Furthermore the supporting means itself has at least two degrees of freedom of rotation relative to the ground. In particular, the supporting means can be pivoted about an axis which is approximately normal to the ground and an axis which is approximately parallel thereto, respectively.

REFERENCES:
patent: 4288056 (1981-09-01), Bergstrom
patent: 4499953 (1985-02-01), Molin

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