| 摘要 |
PURPOSE: To increase the workability in the construction of an eaves ceiling. CONSTITUTION: A bolt 19 is fixed to a rafter 14 in advance. And the bolt 19 is inserted in a hole 21 for insertion of bolt formed in a ceiling hanger 13 and a nut 24 is screwed on the bolt 19 projected from the hole 21 to hang an eaves ceiling frame 15 from the rafter 14. At least one bolt 19 in the bolts 19 provided in a plurality of ceiling hangers 13 respectively is projected forward in advance rather than other bolts. And at first, the bolt 19 projected forward is inserted in the hole 21 of the ceiling hanger 13 and after that, the rest of the bolts 19 are inserted in the holes 21 of ceiling hangers. |
