| 摘要 |
PURPOSE: A chair is provided to maintain a comfortable seated state by changing a back of a chair formed by an elastic material according to the change of the seated state of the seated person, and by supporting the upper part of the seated person's body. CONSTITUTION: The chair having the back of the chair comprises:a body unit(12) formed by a back of a chair(11) to curvedly form upward in the back end of a low bench(10) formed horizontally, supported by a leg(13) located in the lower part; a neck unit(11c) curved on a circular arc in the lower part of the back of the chair; a separating groove(14) having a regular width in the upper center part of the back of the chair, formed toward a perpendicularly low. |
