Patent ID: 7350874

Claim:
An arrangement for extracting extraction products in underground mining operations using the caving method, the extraction product being extractable after collapsing in a working gate area, the arrangement comprising: at least one extraction funnel arranged in the bottom rock of the working gate to receive the collapsed extraction product and directing the extraction product to an extraction path driven below the gate; an extraction conveyor arranged in the extraction path to transport the extraction product away; and a loading ramp having a ramp surface aligned substantially transversely to a conveying direction of the extraction conveyor and inclined towards the extraction conveyor, a first end of the ramp surface being located below the extraction funnel and second lower end of the ramp surface forming an outlet towards the extraction conveyor; wherein the loading ramp includes or forms in its outlet region a conveying device conveying in the direction of the extraction conveyor, and wherein the conveying device is a vibrating trough.