US Patent 7401481 Lock device for notebook computer

A lock device for a notebook computer includes a fixing seat, two overlapping locking members, two elastic members, a mounting ring, an extension cable and a lock unit. Thus, the notebook computer is locked onto a fixture by the lock device to prevent the notebook computer from being stolen easily. In addition, the notebook computer is locked by or unlocked from the lock device by rotation of a key, so that the lock device is operated easily and quickly, thereby facilitating a user operating the lock device.