Hard disk drive case with electrical switch and dust guard for receiving a hard disk drive

Claim 1

A hard disk drive case comprising: a bottom case having two side walls on two opposite long sides thereof, two wall ribs on the inside respectively spaced from said two side walls, two channels respectively defined between said side walls and said wall ribs, and two tenons respectively raised from said wall ribs at one end, two pull rod assemblies respectively fastened in either channel, two upright stop plates on two opposite locations spaced from said channels at one end, and a front disk drive slot through which a hard disk drive may be inserted, two pull rod assemblies respectively inserted in either channel and stopped by either upright stop plate, said pull rod assemblies each comprising a pull rod movably connected to an elongate hooked rod, the pull rod of each pull rod assembly having two spaced pegs respectively inserted in a respective elongate hole on the corresponding elongate hooked rod and a rear end terminated into an angle rod limited by either upright stop plate, the elongate hooked rod of each pull rod assembly having a hook hole on the middle and a front end terminated into a hook, and two springs respectively connected between either wall rib and either pull rod assembly, said springs each having one end fastened to the tenon on either wall rib and an opposite end fastened in the hook hole on the elongate hooked rod of either pull rod assembly; a top cover made from a channel plate covered over said bottom case and secured in place by screws; a connector assembly fastened inside said bottom case at an opposite end spaced from said front disk drive slot, said connector assembly having a connector for connecting the connector of the hard disk drive inserted into said bottom case and a micro switch controlled by the angle rod of the pull rod of one pull rod assembly to electrically connect or disconnect the electric circuit of the connector assembly; and a dust guard made from a flat plate having two opposite pairs of parallel wings upstanding from a top edge thereof, and a finger plate vertically and downwardly extended from a front edge thereof, each pair of parallel wings being connected by a cross rod pivotably hooked by the hook of the elongate hooked rod of either pull rod assembly.