Patent ID: 8336167

Claim:
A hinge module for a portable terminal for automatically opening the portable terminal by pressing a button, the hinge module comprising: a hollow first housing; a shaft passing through the first housing; a button coupled to one end of the shaft; a main cam coupled to the shaft; a sub cam rotatable in camming contact with the main cam; a first spring for elastically supporting the sub cam toward the main cam; a slider rotatably coupled to the shaft and being inserted into the sub cam at one end thereof and into the first housing at an opposite end thereof so as to be rotated together with the sub cam or the first housing; an engagement member fixedly coupled to the shaft for moving the slider in contact therewith; a second spring for elastically supporting the slider; a stopper engaged to the opposite end of the first housing and the opposite end of the shaft; and a torsion spring fixed to the first housing at one end thereof and to the stopper at the other end thereof.