| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a pipe stand set for preventing an upper pipe stand from coming off from a lower pipe stand even when the upper pipe stand is pushed in the longitudinal direction. <P>SOLUTION: A rotary guide groove 33 is provided on the upper surface 311 of the first member 31 of the lower pipe stand 3, and a guide projection 25 is provided on the bottom surface 221 of the second member 22 of the upper pipe stand 2. An operator turns the second member 22 to the front F by a predetermined angle with the second member 22 placed on the first member 31 diagonally. Thereby, the guide projection 25 of the second member 22 is inserted into the rear end 33b of the rotary guide groove 33 of the first member 31, and is moved to the assembling position 33s while being engaged with the rotary guide groove 33. Accordingly, the second member 22 is positioned vertically in parallel with the first member 31, to end the assembling work of the second member 22. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
