| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To easily and accurately install a door frame which is fitted with an upper panel and which rises to a ceiling surface. <P>SOLUTION: This upper panel unit 1 has the upper panel 20 prescrewed to an undersurface on the short-side-direction one end side of a head 12 which constitutes a door frame; the head 12 has both longitudinal end corner portions on a top surface side cut off; and a spline tenon fitting 32, which is engaged with large-diameter head portions of two connecting pins attached to a jamb, so as to connect the head 12 to the jamb in the state of drawing the jamb, is attached to a side end surface of a cut-off portion. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
