| 摘要 |
PURPOSE: A folding mattress in a vehicle is provided to take on passengers in a van or wagon additionally, and to improve the driving experience. CONSTITUTION: A mattress is composed of first and second cushion blocks as a seat part(10) in folding like a sofa, and third, fourth and fifth cushion blocks(3,4,5) as a backrest part(20). Internal and external fasteners(6) are attached to corners corresponding to the first and third cushion blocks, and the backrest part is fixed against the seat part by assembling fasteners. The mattress forms a bed by deploying first, second, third and fourth cushion blocks, and increases the length of the bed by deploying the fifth cushion block. The fifth cushion block is used as a pillow by bending and putting on the fourth cushion block. Third, fourth and fifth cushion blocks are put on first and second cushion blocks by bending the third cushion block in spreading first and second cushion blocks. A bag is formed with combining internal and external fasteners(7) in covering cushion blocks by an outer skin(11). The mattress improves driving experience by loading in a van or wagon such as a sofa or bed, and helps to use a vehicle efficiently.
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