A gripper unit for clamping and aligning a layer of concrete paving bricks with compound elements for forming a stretcher bond of the bricks into the form of a setting unit by means of clamping bars which can each engage at their longitudinal edges a row of bricks. The clamping bars are ...
fall out of the clamped bond of the brick disk. The clamping of the brick disk on all sides is also disadvantageous in that the use of the brick disk is not useable as a setting unit in the case that a setting pattern of the paving bricks is desired, for example, a stretcher bond....