Motor vehicle wheel nuts loosening tool - has lever which compresses spring to drive impact arm hitting nut

摘要

The tool is used for loosening the wheel nuts of motor vehicles. It consists of a flat hollow cylinder (10) with a rigidly attached arm (14) and an actuating arm (16). Rotating the arm (16) through approx. 90 deg. compresses a spring fitted in a curved channel inside the hollow cylinder (10). When the arm (16) reaches the end of its travel the spring is released and rotates an internal arm which in turn strikes a lever attached to a hexagonal socket which is fitted over the wheel nut. The impact of the arm on the socket lever loosens the wheel nut.