Conveying trough

Details Conveying trough Conveying trough

E - Fixed Constructions

21

C

262/46

E21C 35/20 (2006.01) E21C 35/12 (2006.01)

Patent

CA 1144192

CONVEYING TROUGH P 15 214 ABSTRACT OF THE DISCLOSURE A conveying trough for use in a coal mining seam which has a coal winning sidewall with a waste sidewall, disposed opposite to the coal winning sidewall, which comprises, a guide plate adapted to be secured to the waste sidewall and a base frame adapted to be adjacent the winning side- wall. A gantry-like cutter spans the space between the waste side wall and the winning sidewall and has one side with a track wheel with a running surface associated with the guide plate. An angle bar has a first substantially horizontal fixing leg portion secured to the base frame and also has an upright guide leg portion affixed to the fixing leg portion. The tracking bar is carried by the cutter and has an edge in cooperative engagement with the guide leg portion. The tracking bar and the guide leg portions have substantially verti- cal slide surfaces which cooperatively interengage during the running of the cutter. The construction also advantageously includes a hold-down member associated with the track wheel which has a running surface which engages beneath a running surface of a guide rail carried at the baseplate side. In addition, the tracking bar includes a horizontally extending portion which engages beneath a guide surface of a member supported on the base frame.

355867

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