Patent ID: 8159817

Claim:
A hard disk device mountable removably in a housing, the housing having two opposite sides which are respectively provided with slide grooves, said hard disk device comprising: a hard disk having two opposite first sides, a second side having two ends connected respectively to said first sides, and two corner portions cooperatively defined by said first sides and said second side, each of said first sides being formed with two positioning holes; and a slide rail mechanism connected removably to said hard disk, and including two first plate members and a second plate member, said first plate members extending respectively from two ends of said second plate member in a same direction and in a spaced-apart relationship to be disposed slidably and respectively in the slide grooves, each of said first plate members having a first section connected to said second plate member, and a second section connected to a free end of said first section, said first section being spaced apart from a respective one of said first sides and being provided with a first support element that extends inclinedly from said first section toward said second plate member and that abuts against a respective one of said corner portions, said second section abutting against a respective one of said first sides and being provided with two positioning pins that are to be inserted respectively into said positioning holes, said second plate member being spaced apart from said second side and being provided with two second support elements that extend inclinedly from said second plate member toward each other and that abut against said second side.