Patent ID: 8915394

Claim:
A waterproof box comprising: a box main body having a peripheral wall and receiving components inside of the peripheral wall, the components being susceptive to moisture; a cover having a cover peripheral wall and covering an opening provided at an edge of the peripheral wall of the main body; a waterproof structure portion provided at the edge of the peripheral wall of the main body; and a waterproof structure portion provided at an edge of the cover peripheral wall of the cover, wherein the waterproof box is waterproofed by the waterproof structure portions of the main body and of the cover overlapped with each other, and wherein the waterproof structure portion of the main body includes an outer wall of a first waterproof portion of the main body, the waterproof structure portion of the cover includes an inner wall of a first waterproof portion of the cover that comes into contact with the outer wall of the first waterproof portion, and face toward each other to form a tiny passage, and a plurality of blind passages are between the waterproof structure of the main body and the water proof structure of the cover, the plurality of blind passages each forming a space of a desired size, wherein a second waterproof portion is disposed subsequent to the first waterproof portion and the third waterproof portion is formed subsequent to a second waterproof portion, wherein the first waterproof portion is disposed at an entrance side of the tiny passage, and the third waterproof portion is disposed at an exit side of the tiny passage, and wherein the first waterproof portion and the second waterproof portion are made up of at least a space defined between two vertical surfaces and two horizontal surfaces.