Patent ID: 8474645

Claim:
A waterproof case comprising, a case body formed with a peripheral wall of the case body, a cover having a bottom wall and a peripheral wall extending perpendicularly from the bottom wall, the bottom wall covering an opening formed by an edge of the peripheral wall of the case body, the peripheral wall of the cover being arranged adjacent to the peripheral wall of the case body in an overlapping manner, and a protection piece extending from the peripheral wall of one of the cover and the case body, the one of the cover and the case body being located at a lower position in a vertical direction with respect to the other one of the cover and the case body, wherein the protection piece is arranged such that a lower end portion of the peripheral wall of the other one of the cover and the case body is sandwiched between the protection piece and the peripheral wall of the one of the case body and the cover so that the protection piece prevents the peripheral wall of the one of the case body and the cover from being deformed inward, and wherein a protrusion is provided at the peripheral wall of the other one of the case body and the cover, the protrusion being arranged to protrude with respect to a surface of the other one of the case body and the cover on which the protection piece is placed such that a lower end surface of the protrusion is arranged on an upper end surface of the protection piece.