Self-advancing mineral mining installation including tilting machine support
AssigneeUnion Special Corporation
InventorJohn T. Pearey
Life of this patent
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Abstract
A mining installation includes a self-advancing roof support unit with which is associated a forward base part which is independent of the floor-engaging member of the unit. The forward base part is connectible to the floor-engaging member and movable relative thereto. An elevated track is carried on the forward base part and in use supports a mining machine which can travel reciprocally therealong.
Claims18
A mineral mining installation includes a self-advancing roof support unit having a roof engaging member and a floor-engaging member, a forward base part independent of the floor-engaging member and connectible thereto, the forward base part being movable relative to the floor-engaging member, a machine supporting element adapted to be mounted on said forward base part at a level above that of the base part, the element being provided with means for supporting and guiding a mineral mining machine, a tilting jack operable between the machine supporting element and the roof support unit for varying the attitude of the machine supporting element, and a conveyor receiving area defined beneath the machine supporting element and adapted to locate a conveyor.
Dependencies are inferred from the claim text.