Patent ID: 8723064

Claim:
A button mechanism comprising: a casing, an engaging portion being disposed on a bottom of the casing, a lock hole being formed on the bottom of the casing, and a plurality of open slots being formed on a lateral wall of the casing; a plurality of buttons movably disposed on the corresponding open slots, the plurality of buttons comprising at least one first button and at least one second button; a fixing component; and a supporting component, an end of the supporting component being engaged with the engaging portion of the casing, the supporting component comprising: a first part, a piercing hole being formed on a surface of the first part, the fixing component passing through the piercing hole and being locked on the lock hole for fixing the first part on the bottom of the casing; and a second part connected to the first part and contacting against the plurality of buttons for constraining movements of the plurality of buttons relative to the lateral wall of the casing.