| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce the weight of a door while securing high strength and high rigidity, and to impart a heat insulation property to a door itself. Ž<P>SOLUTION: In an inside/outside air switching door of an air conditioner for a bus vehicle, a structure of a door body 20 has two plate parts 31, 32 opposed to each other at a predetermined spacing, and partition walls 33 improving strength and rigidity of the two plate parts 31, 32 and parting a space between the two plate parts 31, 32 into a plurality of spaces 34 between the two plate parts 31 and 32. The partition walls 33 are arranged so that the partition walls 33 forms sides of hexagons to constitute honeycomb structure in a cross sectional face perpendicular to a rotary shaft of the door body 20. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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