Mounting device for maintaining e.g. stud, has angle block expanding to block stud in cavity, base having hole to center stud in cavity, and washer including plate which is fixed on impervious zone

摘要

The device has an angle block (15) which undergoes an expansion permitting to block a stud in a receiving cavity (50). A base (4) is provided with a hole (7) which centers the stud in the cavity. A washer (12) has a plate (6) which is fixed on an impervious zone (9), through a washer (13) and a screw (14) in a manner to coincide between a head (90) of the zone (9) and a lower side of the plate.