Patent ID: 7941196

Claim:
A waterproof structure for a casing of a portable device, the waterproof structure comprising: a first casing; a second casing to be put together with the first casing, the second casing having a recess; and a waterproof member formed of an elastic material to prevent water from penetrating between the first casing and the second casing, wherein the waterproof member comprises a peripheral part laid out all around a space between the first casing and the second casing, when the peripheral part is brought into contact with the recess, the peripheral part being press fitted in the recess in a horizontal direction without exerting an elastic force to the second casing in a vertical direction; wherein the first casing comprises a restriction part configured to prevent the peripheral part from coming out of the recess, the restriction part being located at a position opposite to the peripheral part, after the peripheral part is pressed fitted in the recess of the waterproof member; wherein the waterproof member comprises a circumferential wall part and a metal plate, the circumferential wall part bending inwardly from the peripheral part and standing upright toward the first casing, the metal plate being formed integrally in the waterproof member and bent inside the waterproof member from a flat part of the waterproof member in a direction toward the second casing, the flat part placed between the first casing and the second casing; and wherein the circumferential wall part is guided by the first casing and the second casing.