Hinge device with waterproof ring and portable electronic apparatus

摘要

A first turning member (60) is formed in a bottomed cylindrical shape. A pivot (63) is convexly formed on the bottom of the first turning member (60), and a packing (67) is wound around the first turning member (60). A boss (72) is convexly formed on one surface of a second turning member (70), and a packing (74) is wound around the boss (72). A pivot opening (71) is formed in the other surface of the second turning member (70). The boss (72) is inserted into the first turning member (60). The pivot (63) is inserted into a ring-shaped waterproof member (90) and a plain washer (100). The waterproof member (90) surrounds the pivot opening (71). The waterproof member (90) is sandwiched between the bottom of the first turning member (60) and the end surface of the boss (72).