Mining apparatus and method

Details Mining apparatus and method Mining apparatus and method

E - Fixed Constructions

21

D

262/66, 61/67

E21D 15/48 (2006.01) E21C 35/06 (2006.01) E21D 23/04 (2006.01) E21D 23/08 (2006.01)

Patent

CA 1059162

TITLE MINING APPARATUS AND METHOD ABSTRACT An articulated ancillary support for a conveyor is attached onto the forward side of a mine roof chock by exten- sible means which, when retracted towards the chock, shifts the ancillary support from a normal condition in which it occupies an area of relatively wide lateral extent to another condition in which it overlies an area of relatively narrow lateral extent, freeing a large portion of the space under the chocks to clear the way for a retreating continuous miner.

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