Slope, leveling or sealing measuring device for e.g. building field, has graduated metallic e.g. steel, support with openings in which plumb line is introduced, and graduation point perpendicular to base of support

摘要

The device has a graduated metallic e.g. steel, support (1) with openings (2) in which a plumb line (3) is introduced. A graduation point (theta) is perpendicular to a base of the support, where the graduation point indicates a level. A graduation of the support is installed on a circle arc, where the graduation indicates a degree of superelevation angle.