PROBLEM TO BE SOLVED: To easily and positively prevent entering of foreign matter into a cart when the cart is taken out from a station.SOLUTION: In a ceiling part of the station 70, a first heat exchange chamber 75H including a cooler 91H and a heater 101, and a second heat exchange chamber 75C including a cooler 91C are partitioned side by side in a horizontal direction, and when the cart 10 is housed in the station 70, individual air circulation passages 117H, 117C are formed between the first heat exchange chamber 75H and a hot storage chamber 20H, and between the second heat exchange chamber 75C and a refrigeration chamber 20C, and a circulation fan 105 is provided in each air circulation passage 117H, 117C. Shutter mechanisms 50 provided in ceiling walls 17 of the hot storage chamber 20H and the refrigeration chamber 20C and opening and closing suction passages 32 and outlet passages 37 are integrally included with respect to the cart 10, the shutter mechanisms 50 are closed at all times, and they are opened when the cart 10 is housed in the station 70.COPYRIGHT: (C)2011,JPO&INPIT【課題】カートがステーションから出ている場合にカート内に異物が侵入することを簡単にかつ確実に防止する。【解決手段】ステーション70の天井部には、冷却器91Hとヒータ101とを装備した第1熱交換室75Hと、冷却器91Cを装備した第2熱交換室75Cとが水平方向に並んで区画形成され、カート10がステーション70内に収納された場合に、第1熱交換室75Hと温蔵室20Hの間と、第2熱交換室75Cと冷蔵室20Cの間とに、個別の空気循環路117H,117Cが形成され、各空気循環路117H,117Cに循環ファン105が設けられる。温蔵室20Hと冷蔵室20Cの天井壁17に設けられた吸込路32と吹出路37とを開閉するシャッタ機構50がカート10に対して一体的に装備されており、同シャッタ機構50は常には閉じ、カート10がステーション70内に収納されると開く。【選択図】図13
