Patent ID: 7639512

Claim:
A back plate assembly compatible with mainboards having different specifications, the back plate assembly comprising: a back plate defining a plurality of sets of mounting holes, each set of mounting holes adapted for cooperating and aligning with through holes in one of the mainboards with a corresponding specification, the mounting holes being spaced from each other, each of the mounting holes comprising a first receiving hole and a second receiving hole located under and in communication with a lower portion of the first receiving hole; and a plurality of fasteners interferentially fitted in a corresponding set of the mounting holes of the back plate, each of the fasteners comprising a baffling portion received in the first receiving hole of the each mounting hole, and a connecting portion extending downwardly from the baffling portion and received in the second receiving hole of the each mounting hole; wherein the back plate comprises a pair of elongated, spaced connecting portions, a pair of extending portions extending slantwise and outwardly from opposite ends of each of the connecting portions, a linking portion extending slantwise and inwardly from an end of each of the extending portions, and a pair of arc-shaped mounting portions connecting with ends of the linking portions, respectively.