STORAGE

PROBLEM TO BE SOLVED: To secure a heat exchanging air passage on the inner side of a storage chamber with simple structure. SOLUTION: Shelf pillars 40A, 40B are erected in a storage chamber 16, and a lateral pair of rails 32 are laid between the front and inner shelf pillars 40A, 40B and supported in the face-to-face attitude at the same height. The shelf pillar 40B on the inner side is formed in stepped shape of two stages, and the front facing face of the stepped part on the inner side is made a stopper face 48. When a tray 30 with food placed thereon is put into the storage chamber 16 while being received by the rails 32, push-in is regulated when the inner edge abuts on the stopper faces 48 of the shelf pillars 40. The deformation of the tray 30 caused by abutting on the inner wall 16A is thereby prevented while forming a clearance between the inner wall 16A and tray to secure a cold air passage where cold air flows in vertical and lateral directions over the whole surface. COPYRIGHT: (C)2003,JPO