E - Fixed Constructions – 21 – C
Patent
E - Fixed Constructions
21
C
262/82
E21C 35/04 (2006.01) B61C 11/02 (2006.01) E21C 29/10 (2006.01)
Patent
CA 1103282
Abstract Apparatus for safety guiding of a hauling chain, especially for a travelling drum shearer in coal mining with chain haulage. Chain screening is provided along the guard of the conveyor and chain guides are fixed to the shearer and travel along the conveyor path inside the screening. The screening of the hauling chain is defined on three sides by screening plates at the upper part of chain guard, the uncovered side being closed by the screening end of a double ended lever, pivoted at its hub below the lower screening plate. The retaining end of the lever is closed by the tension of spring, attached at one end to the retaining end of the lever and at its other end to a mount fixed to the body of the guard.
332323
Fetherstonhaugh & Co.
Politechnika Slaska Im Wincentego Pstrowskiego
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