| 摘要 |
PURPOSE:To prevent the inflow of outside air into a case to improve cooling effect and permit a safe supply of power to a forced circulating means provided in an opening and closing lower air guide. CONSTITUTION:Most of cold air, ejected out of a forward upper part to form an air curtain 18, is sucked into a lower air guide 7 positively by the forced circulating means 5 of a lower air guide 7 and is ejected again rearwardly after being deflected in the lower air guide 7 whereby the possibility of inflow of outside air into a case is reduced. On the other hand, power supplying means 15a, 15b, 15c, 15d for the forced circulating means 5, are cut and separated in conjunction with the forward movement of the lower air guide 7 whereby the supply of power is safe. |
