Patent ID: 7639481

Claim:
A hinge device of a plane display comprising a mechanism for supporting a plane display in lower part, and rotating it manually in lateral horizontal direction, a longitudinal direction tilting mechanism for tilting manually in longitudinal direction, and a vertical direction elevating mechanism for elevating manually in vertical direction, wherein a rotary mechanism in lateral horizontal direction includes horizontal rotary position holding means, and rotary motion transmitting means for transmitting rotary motion in lateral horizontal direction of the plane display to the horizontal rotary position holding means; the longitudinal direction tilting mechanism includes longitudinal tilting position holding means, and tilting motion transmitting means for transmitting longitudinal tilting motion of the plane display to the longitudinal tilting position holding means; and the vertical direction elevating mechanism includes elevating position holding means, and elevating motion transmitting means for transmitting elevating motion of the plane display to the elevating position holding means; wherein the rotary motion transmitting means includes a display mounting frame attached to a rear side of the plane display, a guide frame elevatably mounting the display mounting frame, a tilting plate for mounting and fixing the guide frame, a lateral rotary plate tiltably mounting the tilting plate, and a working gear fixed to the lateral rotary plate and coupled to the horizontal rotary position holding means.