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    • 9. 发明授权
    • Refrigerated display case having an accordion-type combined air duct and
service door
    • 具有手风琴式组合风道和维修门的冷藏展示柜
    • US4402192A
    • 1983-09-06
    • US336144
    • 1981-12-31
    • James Henry
    • James Henry
    • A47F3/04
    • A47F3/0469A47F2003/066
    • A refrigerated display case, of the type in which air flows through a duct and is circulated about a product display space, has a service opening at the rear of the case. Disclosed is an accordion-pleated, hollow wall structure which is both an air duct and a door. The structure in its closed position communicates at top and bottom with adjacent portions of the conduit through which air is circulated during refrigeration or, in some instances, during defrost cycles of the case. In its open position, the hollow structure defines a service opening at the rear of the case through which dairy product support carts can be rolled into or out of the case. The hollow structure is sectionally formed in a manner to define the service opening at any selected cart location.
    • 空气流过管道并围绕产品展示空间循环的类型的冷藏展示柜在外壳的后部具有维修开口。 公开了一种手风琴式的中空墙壁结构,既是风道和门。 在其关闭位置的结构在导管的相邻部分的顶部和底部连通,空气在制冷期间循环,或者在某些情况下,在壳体的除霜循环期间。 在其打开位置,中空结构在壳体的后部限定了服务开口,通过该开口,乳制品支撑推车可以卷入或外出壳体。 中空结构以在任何所选购物车位置上限定服务开口的方式分段形成。