| 摘要 |
PROBLEM TO BE SOLVED: To provide a single swing master-slave system extensible/contractible gate door capable of being easily assembled by connecting a master door and a slave door at a job site. SOLUTION: In this single swing master-slave system extensible/contractible gate door where the master door 1a and the slave door 1b respectively freely extensible/contractible and different in the size are connected to be arranged between a suspension side coulmn 2 and a door stop side column 3, an opening part between both columns is opened and closed by the extension and contraction of the respective doors, and the respective doors 1a, 1b are connected by plural links by pantographically assembling both end suspension side stiles 4 and door stop stiles 5 respectively formed in a frame body shape and plural vertical sash bars arranged between the stiles, the door stop stiles 5 arranged on the slave door 1b side of the master door 1a and the suspension side stiles 4 arranged on the master door side of the slave door are connected via a joint member 13.
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