Abstract: Clamping apparatus for holding a motor vehicle window pane wherein a window pane (6) is fixed to and moved in a height-adjustable manner on a driver holder (2) of a window lifting mechanism (1), said clamping means comprising a driver holder (2) having at least one concave surface and a clamping plate (3) which can be braced against the window pane (6) by means of a fastening element (7), with the interposition of spacers (4 and 5), the driver holder (2) and the clamping plate (3) each have a pair of upper and lower recesses (11 and 12 respectively) concave to the window pane (6) and the clamping plate (3) is held parallel to these by prismatic guide means (8/9) on the driver holder (2), the window pane (6) is embraced by directly interposed spacers (4 and 5) having on their outer faces convex upper and lower raised portions (13 and 14 respectively) corresponding to the respective concave recesses (11 and 12), and the window pane, held in a desired installed position by a device, can be clamped fast in the de