| 摘要 |
PROBLEM TO BE SOLVED: To provide a guide mechanism of an expansion door capable of easily constructing a guide rail 4 in a straight line, and simply replacing the guide rails 4. SOLUTION: This guide mechanism of the expansion door is characterized in that a metal anchor rail 18 is disposed between a hinged post 1 and a door stop post 2, the guide rail 4 is superposed on the anchor rail 18 and fixed thereon, and the expansion door 3 is disposed on the guide rail 4 to be guided and run.
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