Patent ID: 7681859

Claim:
A portable terminal device, comprising: a main body having a mounting groove formed in a rear surface; and a supporting leg having an end rotatably supported in the mounting groove, wherein the mounting groove has a length corresponding to that of the supporting leg and, wherein the mounting groove has at least one catching groove formed in one inner surface thereof, and wherein the supporting leg comprises: a head portion formed at the end of the supporting leg, and a cam member inserted and supported in the head portion of the supporting leg, the cam member supported by a spring within the head portion to be moveable in an axis of rotation direction of the supporting leg, and the cam member having a cam protrusion protruding outward in a radial direction of the head portion of the supporting leg to be caught by the at least one catching groove by an elastic force of the spring, wherein the cam member is supported by a supporting pin in a state where the cam member is inserted in the head portion, the supporting pin passing through an elongated hole formed in the head portion and being inserted into a support hole formed in the cam member, and the elongated hole is formed in the radial direction of the head portion of the supporting leg to have a predetermined length.