Cooling air supplying structure for a refrigerator having cantilever shelves

Abstract

A cooling air supplying structure for a refrigerator having shelves is disclosed. The cooling air supplying structure comprises a cooling air supplying duct, a plurality of shelf channels and a plurality of shelves. The cooling air supplying duct serves to supply cooling air to upper and lower portions of a refrigerator compartment of the refrigerator and is vertically mounted behind the refrigerator compartment. Each of the shelf channels has a plurality of engagement slits, and at least one of the shelf channels is mounted to the cooling air supplying duct. The shelves are respectively secured to the shelf channels.

1. A cooling air supplying structure for a refrigerator having shelves, comprising:
 a cooling air supplying duct for supplying cooling air to upper and lower portions of a refrigerator compartment of the refrigerator, said cooling air supplying duct being vertically mounted to an inner case at a rear wall of the refrigerator compartment; 
 a plurality of shelf channels, at least one of said shelf channels being mounted to said cooling air supplying duct; and 
 a plurality of shelves respectively secured to said shelf channels, 
 wherein said cooling air supplying duct is vertically recessed at a central portion thereof, and the at least one shelf channel mounted to said cooling air supplying duct is positioned within the recessed central portion of said cooling air supplying duct. 
 
     
     
       2. The structure according to  claim 1 , wherein said cooling air supplying duct is vertically recessed at a central portion thereof, and the at least one shelf channel mounted to said cooling air supplying duct is positioned within the recessed central portion of said cooling air supplying duct. 
     
     
       3. The structure according to claim  2  1, wherein a plurality of cooling air discharging holes are formed along side portions of said cooling air discharging duct beside the recessed central portion of said cooling air supplying duct. 
     
     
       4. The structure according to  claim 1 , wherein the plurality of shelf channels each have a plurality of engagement slits, and wherein the plurality of shelves are secured to the plurality of shelf channels by means of the plurality of engagement slits. 
     
     
       5. The structure according to  claim 1 , A cooling air supplying structure for a refrigerator having shelves, comprising:
 a cooling air supplying duct for supplying cooling air to upper and lower portions of a refrigerator compartment of the refrigerator, said cooling air supplying duct being vertically mounted to an inner case at a rear wall of the refrigerator compartment; 
 a plurality of shelf channels, at least one of said shelf channels being mounted to said cooling air supplying duct; and 
 a plurality of shelves respectively secured to said shelf channels,  
 wherein the at least one shelf channel is mounted to the cooling air supplying duct by means of an attachment device inserted through a fixation hole formed in the cooling air supplying duct and a fixation hole formed in the inner case. 
 
     
     
       6. The structure according to  claim 5 , wherein the attachment device attaches to a reinforcement member disposed on a side of the inner casing case opposite to a side of the inner casing case to which the cooling air supplying device duct is mounted. 
     
     
       7. The structure according to claim  2  1, wherein the cooling air supplying duct comprises two protruding portions, one disposed on each side of the central recessed portion, and wherein the cooling air discharge holes are formed at a central portion of each of the protruding portions. 
     
     
       8. The structure according to  claim 3 , wherein the plurality of engagement cooling air discharging holes extend along a length of the cooling air supplying duct. 
     
     
       9. The structure according to  claim 1 , wherein the cooling air supplying duct is mounted to the inner case at the rear wall of the refrigerator compartment at a central portion thereof, and extends vertically. 
     
     
       10. A cooling air supplying structure for a refrigerator having shelves, comprising:
 a cooling air supplying duct for supplying cooling air to upper and lower portions of a refrigerator compartment of the refrigerator, said cooling air supplying duct being vertically mounted to an inner case at a rear wall of the refrigerator compartment;   a plurality of shelf channels, at least one of said shelf channels being mounted to said cooling air supplying duct; and   a plurality of shelves respectively secured to said shelf channels,   wherein the plurality of shelf channels comprise a plurality of engagement slits, and each of the shelves comprise a plurality of hooks configured to engage one of the engagement slits.    
     
     
       11. A cooling air supplying structure for a refrigerator having shelves, comprising:
 a cooling air supplying duct for supplying cooling air to upper and lower portions of a refrigerator compartment of the refrigerator, said cooling air supplying duct being vertically mounted to an inner case at a rear wall of the refrigerator compartment;   a plurality of shelf channels, at least one of said shelf channels being mounted to said cooling air supplying duct; and   a plurality of shelves respectively secured to said shelf channels,   wherein the plurality of shelves comprise cantilever shelves, one end of each shelf being mounted to at least one shelf channel, an opposite end of each shelf extending toward a front side of the refrigerator compartment.    
     
     
       12. A cooling air supplying structure for a refrigerator having shelves, comprising:
 a cooling air supplying duct for supplying cooling air to upper and lower portions of a refrigerator compartment of the refrigerator, said cooling air supplying duct being vertically mounted to an inner case at a rear wall of the refrigerator compartment;   a plurality of shelf channels, at least one of said shelf channels being mounted to said cooling air supplying duct; and   a plurality of shelves respectively secured to said shelf channels,   wherein the plurality of shelf channels each have a plurality of engagement slits,   wherein the plurality of shelves are secured to the plurality of shelf channels by means of the plurality of engagement slits, and   wherein the plurality of engagement slits extend along a length of each shelf channel.    
     
     
       13. The structure according to claim 1, wherein said cooling air supplying duct protrudes into the refrigerator compartment of the refrigerator.  
     
     
       14. The structure according to claim 1, wherein said cooling air supplying duct comprises a plurality of cooling air discharge holes disposed on each side of said at least one shelf channel mounted to said cooling air supplying duct.  
     
     
       15. The structure according to claim 14, wherein said plurality of cooling air discharge holes extend along a length of said cooling air supplying duct.  
     
     
       16. The structure according to claim 1, wherein the at least one shelf channel is mounted to a structure behind said cooling air supplying duct.  
     
     
       17. The structure according to claim 16, wherein the at least one shelf channel is mounted to the inner case.  
     
     
       18. The structure according to claim 5, wherein the at least one shelf channel is mounted to a structure behind said cooling air supplying duct.  
     
     
       19. The structure according to claim 18, wherein the at least one shelf channel is mounted to the inner case.  
     
     
       20. The structure according to claim 10, wherein the at least one shelf channel is mounted to a structure behind said cooling air supplying duct.  
     
     
       21. The structure according to claim 20, wherein the at least one shelf channel is mounted to the inner case.  
     
     
       22. The structure according to claim 11, wherein the at least one shelf channel is mounted to a structure behind said cooling air supplying duct.  
     
     
       23. The structure according to claim 22, wherein the at least one shelf channel is mounted to the inner case.  
     
     
       24. The structure according to claim 12, wherein the at least one shelf channel is mounted to a structure behind said cooling air supplying duct.  
     
     
       25. The structure according to claim 24, wherein the at least one shelf channel is mounted to the inner case.