Patent ID: 7792555

Claim:
A hinge device, comprising: a first member incorporating a pivot in which a through hole is formed in a direction of axis of the pivot; a second member having pivot opening into which the pivot is inserted, and capable of turning relatively to the first member about the pivot as a center of turn; and a waterproof member formed in a tube shape, and sandwiched between the first member and the second member so as to surround a gap between the pivot and the pivot opening; wherein the waterproof member has at least either a first portion contacting the first member or a second portion contacting the second member, the at least either a first portion or a second portion of the waterproof member stretched in the form of a flared bell; wherein the first member forms a shape of a flat plate, the second member has a concave formed in a bottom surface of the second member facing the flat plate of the first member, and the waterproof member is accommodated in the concave and seals against the flat plate of the first member.