Patent ID: 7780253

Claim:
A sliding rail assembly support frame and server frame mounting arrangement comprising: two server frames, said server frames each having a plurality of mounting holes arranged at different elevations; two support frames respectively fastened to said server frames to support a sliding rail assembly, said support frames each having a flat frame base respectively affixed to front and rear ends of an outer rail of said sliding rail assembly and a mounting flange perpendicularly extended from one end of said flat frame base and selectively fastened to the mounting holes of said server frames; wherein the mounting flange of each of said support frames has a plurality of vertically spaced mounting members selectively insertable into the mounting holes of one of said server frames and secured thereto with a clamping plate, said mounting members each having a cylindrical body insertable through one mounting hole of one of said server frame and a locating groove extending around the periphery of said cylindrical body, said clamping plate having a keyway and at least one retaining notch arranged at different elevations and aligned in line for engagement with the locating grooves of the cylindrical bodies of said mounting members, said keyway having a closed perimeter and comprising a big hole and a small hole in communication with said big hole at one side, said small hole having a diameter approximately equal to the diameter of the locating groove around the periphery of the cylindrical body of each of said mounting members, said big hole having a diameter greater than said small hole; and wherein said at least one retaining notch of said clamping plate has a sidewall and a protrusion protruded from said sidewall for engaging the cylindrical body of one of said mounting members to prohibit displacement of said clamping plate relative to said mounting members after engagement of the small hole of said keyway with the locating groove of the cylindrical body of one of said mounting members and engagement of the at least one retaining notch with the locating groove of the cylindrical body of another of said mounting members.