Human body-supporting device for use in chair

Abstract

A human body-supporting device is provided a chair. The human body-supporting device includes a frame, a plurality of grids and a plurality of patches. The grids are formed in the frame. Each of the grids includes a first side and an opposite second side. The first side of one of the grids is connected with one of the patches while the second side of next one of the grids is connected with one of the patches for retaining the grids in shape.

1 . A human body-supporting device for use in a chair, the human body-supporting device comprising: 
 a frame;    a plurality of grids formed in the frame, each of the grids comprises a first side and an opposite second side; and    a plurality of patches, wherein the first side of one of the grids is connected with one of the patches while the second side of next one of the grids is connected with one of the patches for retaining the grids in shape.    
   
   
       2 . The human body-supporting device according to  claim 1  wherein the human body-supporting device is molded as one piece.  
   
   
       3 . The human body-supporting device according to  claim 1  wherein the human body-supporting device is a backrest.  
   
   
       4 . The human body-supporting device according to  claim 1  wherein the human body-supporting device is a seat.  
   
   
       5 . The human body-supporting device according to  claim 4  wherein the frame comprises two lateral walls each comprising an upper edge comprising a portion that is inclined forwards.  
   
   
       6 . The human body-supporting device according to  claim 1  wherein the frame comprises two long walls and two short walls.  
   
   
       7 . The chair according to  claim 6  wherein each of the long walls defines a notch for receiving a rope for fastening a plurality of seats together.  
   
   
       8 . The chair according to  claim 6  wherein the grids are formed by a first group of ribs and a second group of ribs intersecting the first group of ribs, wherein the first group of ribs does not extend in parallel to the long and short walls of the frame, wherein the second group of ribs does not extend in parallel to the long and short walls of the frame.  
   
   
       9 . A chair comprising a seat and a backrest connected with the seat, both the seat and the backrest comprising: 
 a frame;    a plurality of grids formed in the frame, each of the grids comprises a first side and an opposite second side; and    a plurality of patches, wherein the first side of one of the grids is connected with one of the patches while the second side of next one of the grids is connected with one of the patches for retaining the grids in shape.    
   
   
       10 . The human body-supporting device according to  claim 9  wherein the frame of the seat comprises two lateral walls each comprising an upper edge comprising a portion that is inclined forwards.  
   
   
       11 . The human body-supporting device according to  claim 9  wherein the frame comprises two long walls and two short walls.  
   
   
       12 . The chair according to  claim 11  wherein the grids are formed a first group of ribs and a second group of ribs intersecting the first group of ribs, wherein the first group of ribs does not extend in parallel to the long and short walls of the frame, wherein the second group of ribs does not extend in parallel to the long and short walls of the frame.  
   
   
       13 . The chair according to  claim 11  wherein each of the long walls of the frame defines a notch for receiving a rope for fastening a plurality of frames together.