Special screw clamp for fixing irons, spherical or triangular pipes, has upper rail that is pushed forward or backward by horizontally mounted guiding device, where upper rail is available in all lengths and all dimensions

摘要

The special screw clamp has an upper rail that is pushed forward or backward by a horizontally mounted guiding device. The upper rail is available in all lengths and all dimensions. A lower rail is provided that is moved up, down, back and forth. (Incomplete specification, abstract based on available information published by the patent office).