| 主权项 |
1. A mattress comprising:
a foam body comprising a parallelepiped shape having a planar top surface, a planar bottom surface, two planar side surfaces parallel to each other and perpendicular to the planar top and bottom surfaces, and two planar end surfaces parallel to each other and perpendicular to the planar top and bottom surfaces, wherein the two planar side surfaces have a length greater than the two planar end surfaces; at least one channel disposed within the foam body along an axis connecting the two planar side surfaces; and an insert of a size equal to the at least one channel, the insert comprising two or more adjacent rows of springs and a foam strip disposed thereon located within the at least one channel, wherein the insert, the two or more adjacent rows of springs, and the foam strip have a height equal to the channel height, and wherein the insert provides a different firmness or support characteristic than the foam body. |
