Box nut for continuous socket wrench, has flexible sections that are pressed on inner wall of circular groove based on centripetal pressing force, such that turning sections correspond to edge angles

摘要

The box nut has a circular groove (43) formed approximately around an edge-shaped connecting section (40), where a metal wire (60) is arranged in the connecting section. The metal wire has three flexible sections (61, 64, 66), where two turning sections (63, 65) are formed between both of the flexible sections, and the flexible section (61) has a free end section. The flexible sections are pressed on an inner wall of the circular groove based on a centripetal pressing force, such that the turning sections correspond to edge angles.