Patent ID: 7712621

Claim:
A housing of an electronic device having a plurality of hidden ventilation holes comprising: an intermediate frame ( 3 ) in a U-shape including a flange ( 31 ) formed upright along outer edges thereof, a plurality of positioning ribs ( 33 ) disposed on an inner surface of the intermediate frame ( 3 ), an opening ( 37 ) formed between two ends of the intermediate frame ( 3 ), and a connection rib ( 34 ) having two ends disposed on the inner surface of the intermediate frame ( 3 ) and interconnected the two ends of the intermediate frame ( 3 ) respectively; an upper shell ( 1 ) disposed on one side of the intermediate frame ( 3 ) and having an outer surface thereof against the inner surface of the intermediate frame ( 3 ), wherein the upper shell ( 1 ) includes a plurality of first cavities ( 11 ) and a plurality of first troughs ( 13 ) formed along a lower edge thereof and at least one first fastening member ( 10 ) disposed on an inner surface of the upper shell ( 1 ), the first cavities ( 11 ) are spaced apart and hidden behind the flange ( 31 ) for allowing air to pass through, the first troughs ( 13 ) are spaced apart for respectively receiving and positioning an upper end of the positioning rib ( 33 ) corresponding thereto, and the first fastening member ( 10 ) is extended downward inside the intermediate frame ( 3 ); a lower shell ( 2 ) disposed on another side of the intermediate frame ( 3 ) corresponding to the upper shell ( 1 ) and having an outer surface thereof against the inner surface of the intermediate frame ( 3 ), wherein the lower shell ( 2 ) including a plurality of second cavities ( 21 ) and a plurality of second troughs ( 23 ) formed along an upper edge thereof and at least one second fastening member ( 20 ) disposed on an inner surface of the lower shell ( 2 ), the second cavities ( 21 ) are spaced apart and hidden behind the flange ( 31 ) for allowing air to pass through, the second troughs ( 23 ) are spaced apart for respectively receiving and positioning a lower end of the positioning rib ( 33 ) corresponding thereto, and the second fastening member ( 20 ) is extended upward inside the intermediate frame ( 3 ) and is secured to the first fastening member ( 10 ) at a position inside the intermediate frame ( 3 ); and a panel ( 4 ) disposed on the upper shell ( 1 ) at a position for concealing the opening ( 37 ) of the intermediate frame ( 3 ).