Universal level vial holder

摘要

A holder for the setting of a level vial on the web of extruded or molded spirit levels, which comprises a base plate, the back wall of which is fixed to the level web, said base plate extending upwards along its edges through two symetrical parallel branches, the ends of which presenting a transversal perimeter whose center is set over relating to the plane of the base plate, said perimeter being provided with support means and said base plate being provided with means for locking the holder to the level web.