Patent ID: 7155118

Claim:
A cam structure, comprising: a driving cam provided on a side of a first body; a follower cam provided on a side of a second body that cooperates with the driving cam; and a member installed in the second body and configured to provide resistant force to the rotation of a second body, wherein the follower cam rotates cooperatively with the rotation of the driving cam while overcoming the resilient force of the resistant member in the course of rotation of the driving cam, wherein the follower cam is comprised of a first plane portion and a second plane portion inclined with respect to the first plane portion, and wherein the driving cam is comprised of a plane portion and a curved surface portion, wherein the second plane portion of the follower cam abuts against the plane portion of the driving cam such that the follower cam and the driving cam cooperatively rotate, and wherein the first body and the second body are respectively a display unit and a camera in a main unit rotatably coupled together in a flip-type portable terminal.