Baby play yard mattress

Abstract

A baby play yard mattress is revealed. The baby play yard mattress is set on a lower frame of a foldable frame. One side of a back veneer of the baby play yard mattress is disposed with slots corresponding to a folded area of the lower frame. By such design, the baby play yard mattress can also be folded while the foldable frame being folded. Moreover, only one side of the back veneer is arranged with slots so that the baby play yard mattress still provides good support to babies.

What is claimed is: 
     
         1 . A baby play yard mattress set on a lower frame of a foldable frame comprising
 a back veneer in which one side thereof is disposed with slots corresponding to a folded area of the lower frame;   wherein the back veneer is divided into a plurality of sections by the slots; the back veneer is folded along the slots when the lower frame is folded and then two sections on two ends of the back veneer are facing each other.   
     
     
         2 . The device as claimed in  claim 1 , wherein the slots of the back veneer of the baby play yard mattress are corresponding to two sides of the folded area of the lower frame of the foldable frame. 
     
     
         3 . The device as claimed in  claim 2 , wherein the slots of the back veneer are arranged in pairs. 
     
     
         4 . The device as claimed in  claim 3 , wherein a soft pad is arranged at the side of the back veneer having the slots; a cover layer is arranged over the back veneer and the soft pad. 
     
     
         5 . The device as claimed in  claim 1 , wherein the foldable frame includes an upper frame, a lower frame and vertical parts set between the upper frame and the lower frame; the upper frame includes two upper frame parts connected to each other by joints and the lower frame includes two lower frame parts connected to each other by fastening parts; the slots of the back veneer of the baby play yard mattress are corresponding to a connection area between the two lower frame parts. 
     
     
         6 . The device as claimed in  claim 5 , wherein a top end and a bottom end of each vertical part of the foldable frame are respectively connected and pivoted to the two upper frame parts and the two lower frame parts while a support part is set between each vertical part and the upper frame part. 
     
     
         7 . The device as claimed in  claim 5 , wherein the slots of the back veneer of the baby play yard mattress are corresponding to two sides of the connection area between the two lower frame parts of the lower frame of the foldable frame. 
     
     
         8 . The device as claimed in  claim 7 , wherein the slots of the back veneer are arranged in pairs. 
     
     
         9 . The device as claimed in  claim 1 , wherein a soft pad is arranged at the side of the back veneer having the slots; a cover layer is arranged over the back veneer and the soft pad. 
     
     
         10 . The device as claimed in  claim 1 , wherein the back veneer is a hollow board that includes two plates and a plurality of ribs disposed between and integrated with the plates.