| 摘要 |
<p>PURPOSE: A seat cushion for a sofa is provided to improve durability while preventing noise and sagging of the cushion by a cushion member and a pocket spring composing the seat cushion. CONSTITUTION: A seat cushion for a sofa comprises a cushion member (110), a floor material (120), a pocket spring (130) and a cover (140). A cushion element, which is having a predetermined thickness, forms a hexahedral shape to form a space inside the cushion member. The floor material is positioned at the lower surface of the inside of the cushion member for maintaining the certain amount of power when compressed. The multiple pocket springs are perpendicularly formed at the upper surface of the floor material for being arranged at the inside of the cushion member. The spring covers the whole surface of the cushion member comprising the floor material and the pocket spring inside.</p> |
