Patent ID: 7237399

Claim:
A cold storage in which a machine chamber is disposed below a storing chamber in an insulating box, comprising: a cooling unit in which a cooling box receiving an evaporator and a blower in a cooling chamber having an opened upper surface, a compressor, and a condenser are integrally disposed on a mounting base; and a cold air outlet and a cold air inlet formed in a bottom wall of the insulating box which becomes a ceiling of the machine chamber to communicate the inside of the storing chamber with the inside of the machine chamber, the cooling unit being provided with a push-up mechanism which is disposed to downwardly project from the mounting base, the push-up mechanism comprising support portions on the mounting base and push-up arms rotatably mounted to the support portions and positioned on both sides of the mounting base, thereby pushing up the cooling unit toward the bottom wall, and to bring the cooling box into close contact with the bottom wall, thereby communicating the cold air outlet and the cold air inlet with the inside of the cooling chamber.