| 摘要 |
<p>The disclosed hinge device is provided with a shaft, a rotary cam, a fixed cam, and an elastic member in contact with the lateral surface of the rotary cam and the lateral surface of the fixed cam. The rotary cam lateral surface has a rotation-side reference surface, a rotation-side lower surface area, a rotation-side upper surface area, and a concave engagement portion. The fixed cam lateral surface has a fixed-side reference surface, a fixed-side upper surface area, a fixed-side lower surface area, and a convex engagement portion. In an engaged state in which the rotation-side lower surface area and the fixed-side upper surface area are engaged, the concave engagement portion and the convex engagement portion also engage; in a released state in which the rotation-side lower surface area and fixed-side upper surface area have been disengaged, the fixed-side upper surface is in sliding contact with the rotation-side reference surface and the convex engagement portion is in sliding contact with the rotation-side upper surface area.</p> |
