| 摘要 |
PROBLEM TO BE SOLVED: To provide a hinge device for allowing the positioning of a door with a small force.SOLUTION: The hinge device includes a movable block 2 and a fixed block 1 connected to each other rotatably around a vertical axis, the movable block 2 consisting of an intermediate block 3 and a door side block 4. When it is used, the movable block 2 is fixed to the upper or lower end face of a door and the fixed block 1 is fixed to the side of a door frame, and the movable block 2 and the fixed block 1 are made in slide contact with each other at their vertically opposed faces. The fixed block 1 has a cam mechanism for positioning the movable block 2 in a horizontal plane with the rotation of a cam plate. |
