Patent ID: 7713002

Claim:
A drilling device for producing a drilling column in the soil comprising: a mast, a carriage movably supported along the mast, a drill drive arranged on the carriage, a drilling tube drivable in a rotating manner by the drill drive and movable along the mast in order to produce a drill hole, a tube hopper including a storage space for filling material to fill the drill hole during the extraction of the drilling tube, the tube hopper being arranged above the drill drive relative to the direction of drilling, connected in a rotation-proof manner to the carriage, and coupled to the drilling tube in a manner to permit rotation of the drilling tube relative thereto, and a support supporting the tube hopper in rotation-proof manner, wherein the support directly connects the tube hopper to the drill drive in a rotation-proof manner and indirectly connects the tube hopper to the carriage in a rotation-proof manner via the drill drive.