Patent ID: 8385056

Claim:
A two-axis hinge comprising: a first rotating shaft, which is positioned on a boundary between an end of a first casing and an end of a second casing, and which through rotating in one direction changes between a folded state with the first casing and the second casing overlapping and an open state with the first casing and the second casing separated from each other; a second rotating shaft, which is positioned orthogonal to the first rotating shaft, and which through rotating in another direction orthogonal to the first direction changes between a folded state with the first casing and the second casing overlapping and an open state with the first casing and the second casing separated from each other; a restriction member, which is positioned at an end of the first rotating shaft and an end of the second rotating shaft facing said end of the first rotating shaft, such that when one of the rotating shafts is in a predetermined rotational position, the restriction member is pressed by said one rotating shaft and engages with the other rotating shaft, restricting rotation of said other rotating shaft; a first cam provided on the first rotating shaft and having a non-uniform radius including a large diameter part and a small diameter part; and a second cam provided on the second rotating shaft and having a non-uniform radius including a large diameter part and a small diameter part; wherein the restriction member is provided movably and includes one end that abuts and engages with the first cam and said other end that abuts and engages with the second cam, such that when said one end abuts the large diameter part of the first cam, the restriction member moves so as to engage said other end with the second cam, thereby restricting rotation of the second rotating shaft, and when said other end abuts the large diameter part of the second cam, the restriction member moves so as to engage said one end with the first cam, thereby restricting rotation of the first rotating shaft, and when said one end and said other end are abutting the small diameter part of the first cam and the small diameter part of the second cam, rotation of the second rotating shaft and the first rotating shaft is permitted; wherein the first cam has a notch formed in one part of the large diameter part; and said notch permits rotation of the second rotating shaft by permitting movement of the restriction member.