Patent ID: 7714226

Claim:
A housing device comprising a case main body comprising a first wall portion and a case cover comprising a second wall portion and adapted to be removably coupled to the case main body, the first wall portion having a first recess and a first claw, the second wall portion having a second claw adapted to be inserted into the first recess and a second recess adapted to receive the first claw, wherein: the first and the second wall portions are adjacent to each other with a right angle formed therebetween when the case cover is coupled to the case main body; the first recess and the first claw being integrally formed with the first wall portion at a part thereof where the first wall portion is butted to the second wall portion; the second claw and the second recess being integrally formed with the second wall portion at a part thereof where the second wall portion is butted to the first wall portion; and wherein: the first recess is formed at a position near an end portion of the first wall portion to be perpendicular to a first inner wall surface of the first wall portion; the first claw extending from the end portion of the first wall portion in parallel to the first inner wall surface; the second claw extending from an end portion of a rib standing on a second inner wall surface of the second wall portion to be in parallel to the second inner wall surface; the second recess being formed at a position near an end portion of the second wall portion to be perpendicular to the second inner wall surface.