PURPOSE: To simply assemble a foldable door body in a construction site.
CONSTITUTION: In the case when door panels 1 neighboring up and down with each other are connected to each other to assemble a foldable door body A in a construction site, upper hinge hardwares 37 are mounted to the lower ends of the door panels 1 and, at the same time, lower hinge hardwares 39 are mounted to the upper ends of the door panels 1. In the case the door panels 1 placed downward are connected to the door panels 1 placed upward, hook sections of the lower hinge hardwares 39 are hooked to hinge barrels 38 of the upper hinge hardwares 37 to connect the door panels 1 placed downward to the door panels 1 placed upward. After that, holding hardwares are mounted to the upper ends of the door panels 1 placed downward to assemble so that the connection between the up and down door panels 1 is not separated.
YAMADA MASASHI
OKUMURA KATSUYUKI
NAKAMURA TAKAHIRO
