Roadheading or mining machine with roof bolt drilling and...

Details Roadheading or mining machine with roof bolt drilling and... Roadheading or mining machine with roof bolt drilling and...

2008-01-08

2008-01-08

Singh, Sunil (Department: 3673)

Mining or in situ disintegration of hard material

Hard material disintegrating machines

With mine roof-supporting means

Reexamination Certificate

active

11008365

ABSTRACT:
In a roadheading or mining machine including cutting tools movable over the mine face and roof bolt drilling and setting devices, at least two roof bolt drilling and setting devices are pivotally connected with the machine laterally outside the longitudinal central plane of the machine. The roof bolt drilling and setting devices are pivotally supported on a bolting platform capable of being displaced in the longitudinal direction of the machine, or on an element connected with the bolting platform.

REFERENCES:
patent: 4865390 (1989-09-01), Shrader et al.
patent: 407 553 (2001-04-01), None
patent: 31 08 877 (1982-01-01), None
patent: 19956715 (2000-06-01), None
patent: WO 92/05339 (1992-04-01), None

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