Fixing bridge
AssigneeGewerkschaft Eisenhutte Westfalia
InventorsKarl H. Plester, Friedrich Eggenstein, Gunter Terhorst
Life of this patent
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Abstract
A fixing bridge for attachment to the goaf side of a channel section on a scraper-chain conveyor, is provided with connectors for the attachment of anchoring devices. A first connector is provided adjacent to one end of the fixing bridge, and a second connector is provided adjacent to the other end of the fixing bridge. The second connector is vertically off-set with respect to the first connector.
Claims15
In a mineral mining installation including a conveyor and at least one pair of roof support units with advance mechanisms connected to the goaf side of the conveyor, an elongate fixing bridge adapted to be secured to the goaf side of said conveyor between said advance mechanisms, said bridge having a first connector adjacent to one end thereof and a pair of second connectors adjacent to the opposite end thereof, said first connector lying on a longitudinal axis of said bridge and including means for accepting a block anchoring arrangement located between said advance mechanisms, and said second connectors being vertically offset above and below said longitudinal axis and each including means for accepting a vertically inclined partial longwall anchoring arrangement extending beyond said advance mechanisms.
Dependencies are inferred from the claim text.