Mining machine

Details Mining machine Mining machine

E - Fixed Constructions

21

C

262/43

E21C 35/20 (2006.01) E21C 29/02 (2006.01)

Patent

CA 1159089

TITLE OF THE INVENTION MINING MACHINE - ABSTRACT OF THE DISCLOSURE A haulage system for a mining machine comprises a mining machine mounted on and/or guided by a conveyor and reciprocable with respect thereto, the conveyor being provided with a rack having plural rows of teeth of identical pitch, with the teeth of one row staggered with respect to an adjacent row(s), and the machine being provided with at least one power driven haulage sprocket comprising plural sets of peripherally arranged teeth of identical pitch, one set being angularly staggered with respect to an adjacent set(s), whereby one set is engage- able with each row of teeth of the rack, The invention also includes a mining machine provided with such a power driven haulage sprocket, and a rack as above described and provided with end fittings for securing in articulated manner to an adjacent rack. - 1 -

381991

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