Patent ID: 8073510
Filing Date: 2011-12-06
Classification: H04M

Abstract:
1. A mobile communication terminal comprising: an upper plate secured to a rear surface of an upper frame and having a first coupling shaft to which one side of a driving link is secured such that the upper frame is vertically guided; a middle frame including a first guide provided at one side of a front surface thereof to guide the first coupling shaft of the upper plate, and first sliding means provided at both sides of a rear surface thereof; and a main plate including a main frame secured to a rear surface thereof, sliding guide parts slidably guided along the first guide of the middle frame at both sides thereof, a second coupling shaft provided at one side of a front surface thereof and to which the other side of the driving link is secured, and a support means for the middle frame installed at the other side of the front surface, wherein a second sliding means is provided to slide the upper plate, a fixing plate having an elongated hole formed at one side thereof in communication with the first guide of the middle frame is secured onto the front surface of the middle frame to vertically guide the first coupling shaft, a first key input part is provided at a lower part of the middle frame, and a second key input part is provided at a lower part of the main frame.