Image wall device for indoor shooting systems

摘要

The device has paper paths moving one behind the other and in opposite directions in the firing zone. A lower roller set (1) hangs free above the base surface (2) in the operating state, the paper being tensioned by the wt. of the lower roller set. A pressure roller (4) is mounted above the deflection roller (7) in the lower roller set. The pressure and deflection rollers are of steel, aluminium or plastic and of sufficient wall thickness or ballast filling to ensure adequate paper tension. A control device (12) and separate drive motors (8) are provided for paper rolling and unrolling, so that the new paper length supplied corresp. exactly to the paper length taken up by the old paper roller. The height of the lower roller above the floor is measured by a sensor and held constant.