| 摘要 |
PURPOSE: A down comforter equipped with a backboard part is provided, which can induce more comfortable sound sleep and prevents generation sleep apnea. CONSTITUTION: A down comforter equipped with a backboard part comprises: a first backboard part(30) which is formed in the longitudinal direction of the down comforter, is connected to the side end of the down comforter by a connection part(20), and in which a first inclined plane is formed in the surface; and a second backboard part(40) which is expanded from the side end of the first backboard part, is overlapped on the surface of the first backboard part, and in which the second incline corresponding to the first inclined plane is formed in the surface. |
