Patent ID: 7301778

Claim:
An ATCA (Advanced Telecom and Computing Architecture) locking lever mounting structure installed in a motherboard blade formed of a motherboard and a face panel at one side of said motherboard and adapted to lock said motherboard blade to a machine case of a server system and to connect said motherboard to said machine case for grounding, the ATCA locking lever mounting structure comprising: a pivot device, said pivot device having a mounting base fixedly mounted on said motherboard, and a screw rod perpendicularly extending from said mounting base; a bush threaded onto said screw rod of said pivot device; and a locking lever pivotally coupled to said bush at said pivot device and turnable about said bush between a locking position to lock said motherboard blade to said machine case and an unlocking position to unlock said motherboard blade from said machine case, said locking lever having a pivot hole coupled to said bush, and a retaining portion for engaging a part of said machine case to lock said motherboard blade to said machine case, and an engagement member for engaging a part of said motherboard blade upon engagement of said retaining portion with said machine case; wherein said locking lever further has a push portion for switching on/off a respective sensor switch at said motherboard subject to locking/unlocking position of said locking lever; said retaining portion of said locking lever defines a C-shaped retaining notch; and wherein said motherboard has two sensor switches respectively corresponding to said push portion and engagement member of said locking lever.