US Patent 9152189 Locking mechanism and removable electronic device using same

A locking mechanism is used to lock a removable electronic device on a housing structure including a pair of resisting portions. The locking mechanism includes a pair of bar members, a pair of elastic elements and an operating member. Each of the pair of bar members includes a blocking portion to engage with the corresponding resisting portion and a matching portion. The pair of elastic elements is elastically connected between the electronic device and the corresponding bar members. The operating member located between the pair of bar members and defines a first groove and a second groove respectively engaging with the matching portions.