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Application filed by Foxconn Tech Co LtdfiledCriticalFoxconn Tech Co Ltd
Priority to TW094137853ApriorityCriticalpatent/TW200717217A/en
Publication of TW200717217ApublicationCriticalpatent/TW200717217A/en
A back plate assembly includes a back plate abutting against an underside of a motherboard, posts extending from the back plate and passing through the motherboard, and elastic rings interferentially engaging with the posts respectively and elastically abutting against an upside of the motherboard. The rings can pre-assembly the back plate assembly to the motherboard and decrease or eliminate damage to the motherboard during vibration.