| 摘要 |
<P>PROBLEM TO BE SOLVED: To easily execute construction of assembling a vertical frame material and a horizontal frame material of a fitting frame later at a low cost. <P>SOLUTION: A connection member 11 whose outer shape is a conical trapezoidal shape is attached so as to be projected to an inner side face near an upper end of a fitting frame vertical frame material 10, and a recessed groove 21 which can be fitted to the connection member is formed on an end face of the fitting frame horizontal frame material 20. In the process of making the end face of the horizontal frame material face the inner side face of the vertical frame material and sliding the end face in a height direction of the vertical frame material, the vertical frame material and the horizontal frame material are connected in a dovetail connection state in the state of fitting the recessed groove 21 of the horizontal material to the connection member 11. <P>COPYRIGHT: (C)2013,JPO&INPIT |
