Patent ID: 7032686

Claim:
A drilling and bolting head for a bolting machine, said head being intended to be mounted on a carrying vehicle, wherein said head comprises, in combination: an intermediate support mounted slideably in the vertical direction, at least in the position of use, on an element capable of being connected to one end of the carrying vehicle, and, at least in the position of use, defining a vertical axis of rotation; a vertical beam that is mounted pivotally along the vertical axis defined by the intermediate support and which is provided with means of vertical guidance; a vertically arranged slideway that is mounted slideably on the means of vertical guidance equipping the vertical beam and which is itself provided with means of vertical guidance; a drill, with means for the drilling and for the fitting of bolts, said drill being mounted slideably on the means of vertical guidance equipping the slideway; a horizontal bearing plate that can be used as a mine prop and which is provided in the upper part of the intermediate support; for controlling the vertical displacement of the intermediate support, aback arranged vertically along the vertical axis of rotation defined by said support; motorized means for controlling the displacement of the slideway in relation to the vertical beam and the displacement of the drill in relation to the slideway.