Patent ID: 8141378

Claim:
A showcase in which a display room is provided over an insulating wall; a machine room is provided under the insulating wall; at least a compressor and a condenser of a cooling unit are disposed in the machine room; a cooling room is provided in the insulating wall; and an evaporator and a cooling fan of the cooling unit are disposed in the cooling room so that cold air heat-exchanged with the evaporator is circulated in the display room by the cooling fan; the showcase comprising a top plate of the machine room to cover a lower surface of the insulating wall, the top plate, having a substantially rectangular box shape with a bottom wall and four upstanding walls, being mounted on and fixed to a pipe plate of the condenser to hold the insulating wall; supporting columns at four corners of the display room, and transparent walls attached to the supporting columns to surround the display room; wherein four corners of the top plate are provided with corner portions each having a predetermined length in a vertical direction, and the supporting columns are attached to the top plate along the corner portions; wherein the top plate is formed by bending one steel plate into a substantially rectangular box shape as a whole; and further comprising a cooling fan motor attached to the top plate in the machine room to drive the cooling fan, wherein a portion of a bottom wall of the top plate where the cooling fan motor is positioned is raised by cutting and bending, and in a side wall of the top plate corresponding to the raised portion, a vertical supporting tongue which is inserted under the raised portion to support the raised portion is formed by cutting and bending.