rock loader

rock loader

[′räk ‚lōd·ər]
(mining engineering)
Any device or machine used for loading slate or rock inside a mine.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Type Make and model Number Continuous Voest-Alpine AM 100 4 Miners Paurat E34 1 Marietta Miner 5012S 1 Joy 6PM 2AHY 1 Scaling Pingon 14 FB 4 Drilling machines Atlas-Copco Diamec 500 1 Montabert T21 2 Flotmann CB 20, CB 12 8 Loaders MAN GHH LF 12 (224 hp) 5 MAN GHH LF 7 (182 hp) 1 Shuttle car/ Joy 10 SC 25 2 rock loader Joy 10 SC 22-56D (25 t) 3 Joy 14 BU 10-11 D 2 Extraction of the second bed is by the room-and-pillar system, with pillars 30 m x 30 m.