| 摘要 |
PURPOSE:To easily and firmly connect a ceiling finishing material and a connecting member with the two made to align with each other. CONSTITUTION:A narrow fitting groove 4a opening upwardly is formed to the upper side of a ceiling finishing material 4 in its longitudinal direction. Engaging parts 2c, 5g, equipped respectively with horizontal pieces 2c, 5j for being placed over the upper part of the ceiling finishing material 4 and dangling pieces 2b, 5c, 5k for abutment on and engagement with both of internal wall faces of the fitting groove 4a of the ceiling finishing material 4, are formed respectively to a joint member 2 and an extending material 5, both of which are connected in crossing to the ceiling finishing material 4. Fixing bolts 9, equipped with heads for engagement with the inside of the fitting groove 4a, are inserted through insert holes 2d, 5i bored to the horizontal pieces 2a, 5j of the joint member 2 and the extending material 5, and nuts 9b are screwed down to the projecting parts of the bolts. |
