Patent ID: 8116086

Claim:
A USB flash disk with a none-joint metallic housing comprising: a metallic housing which is a none-joint rectangular pipe formed by drawing shaping, and has a front opening and a rear opening, further has a pair of indentations provided on a top surface thereof near said front opening; a printed circuit board having at least a USB interface circuit and an integrated packing circuit, said USB interface circuit is provided in front of said integrated packing circuit; a metallic tray provided beneath said printed circuit board to support a bottom of said printed circuit board; an insulation upper seat connected with said metallic tray, and provided with a thinner front section and a thicker rear section, said front section envelops an outer surfaces of said integrated packing circuit of said printed circuit board, while said rear section extends over a rear edge of said printed circuit board; said printed circuit board is enveloped with said metallic tray and said insulation upper seat, and is fixedly mounted in said metallic housing, said USB interface circuit is allocated on a bottom surface in said front opening and leaves a space between it and a top surface, while said rear opening is closed with said rear section of said insulation upper seat; wherein said metallic tray is provided at a rear edge thereof with a foldable upright engaging piece having thereon an engaging hole; and a rear section of said insulation upper seat is provided with a cut opening at a position corresponding with that of said foldable upright engaging piece for extending of said foldable upright engaging piece in said cut opening, an engaging cube is formed on an upper surface of said rear section; after said foldable upright engaging piece extends into said cut opening, said foldable upright engaging piece is folded down over said engaging cube of said rear section, thereby said engaging hole is engaged with said engaging cube.