US Patent 7490874 Lock device for foldable electronic apparatus

A lock device is used for a foldable electronic apparatus. The lock device is mounted on a display unit of the electronic apparatus. The lock device includes a rotatable bolt, an actuator, and an elastic bolt holder. The rotatable bolt is rotatably mounted on the display unit and includes two latch tenons. The elastic bolt holder connects the actuator and the rotatable bolt and keeps the rotatable bolt at a first direction. Movement of the actuator causes the rotatable bolt to rotate from the first direction to a second direction. The lock device can couples with a notch successfully even assemble error exists.