| 摘要 |
PROBLEM TO BE SOLVED: To prevent a closed overhang door from rocking back and forth. SOLUTION: A magnet 27 is provided on either one of the part of a vertical frame member 7 to which the end of the closed overhang door 13 is opposed and the end of the overhang door 13, and a ferromagnetic piece 20 attracted to the magnet 27 is provided on the other.
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