Support Device of Mine roof.A Conveyor is Mounted Next To Mine (11) which has a Drive Unit (12) and consists of a rigid Unit (13) that is applied to the roof and has a structure (22) which extends downwards; a base UNIT (14) comprising a member Interconnects the Skates (17, 18) which are Applied to the soil and structure (21) which extends upwards.The structures of the units are interconnected by Parallel bars (23, 24) which extend between connections of Pivoting (25, 26) and (27, 28); and a pair of jacks (15 and 16) to separate the two Units together.
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