Patent ID: 7676889
Filing Date: 2010-03-16
Classification: E05D,E05Y,H04M,Y10T

Abstract:
1. A hinge device for a portable terminal including a first housing, a second housing foldably coupled to the first housing, and the hinge device causing the first housing and the second housing to be rotatably coupled to each other so that both housings may be positioned away from each other or close to each other, wherein the hinge device includes: a hinge shaft fixed to one of the first housing or the second housing, the hinge shaft having a first cam surface; a first peak portion protruding from the first cam surface; a hinge cam coupled to the other housing of the first housing and the second housing, the hinge cam being movable along a substantially straight line, the hinge cam having a recess provided on a surface thereof opposite to the first cam surface and a second cam surface formed at a bottom of the recess; a stopper groove recessed on the second cam surface; and an elastic member that provides an elastic force to cause the second cam surface to contact the first cam surface, wherein a part of the hinge shaft is contained in the recess, and the first peak portion is engaged with the stopper groove when the second housing is opened with respect to the first housing between about 90° and 115°.