Continuous miner with improved roof-to-floor anchoring...

E - Fixed Constructions – 21 – C

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E21C 25/10 (2006.01) E21C 27/20 (2006.01) E21C 29/02 (2006.01) E21C 35/20 (2006.01)

Patent

CA 1101449

ABSTRACT OF THE DISCLOSURE A continuous mining machine comprising a central longitudinally extending conveyor assembly, a pair of cutting and conveying mechanisms mounted on the forward end of the central conveyor assembly for move- ment between a normal operating position wherein the cutting and conveying mechanisms are in alignment and extend laterally outwardly with respect to the forward receiving end of the conveyor assembly and a transport- ing position wherein the cutting and conveying mechanisms are in parallel relation alongside the central potion of the conveyor assembly, the cutting and conveying mechanisms having vertically movable endless track assemblies operable to more the continue ous mining machine when the cutting and conveying mechanisms are in the transporting position, and a pair of mine floor-to-roof anchoring canopy units for (1) advancing the continuous mining machine sot that the cutting and conveying mechanisms are moved inwardly of the working face, (2) facilitating the installation of mine roof bolts at positions close to the working face while affording roof protection to the operators, and (3) effecting a 90° turning movement of the continuous mining machine.

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