| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide down pipe fitting structure capable of surely and easily preventing a down pipe from faulty workmanship such as a detachment of the down pipe from an elbow joint. <P>SOLUTION: Down pipe fitting structure comprises: a mounting rib 4 which is protruded outward from a peripheral surface 1a of a cylindrical body 1b of a down pipe 1 and extended along the cylindrical body 1b in an axial direction O1 thereof; a down pipe support implement 5 which has a fitting groove 12 enabling the mounting rib 4 to be fitted thereto, is installed on an outer wall T by being fixed thereto as well as fixedly supports the down pipe 1 by fitting the mounting rib 4 to the fitting groove 12; and a positioning stopper 6 which has a connecting insertion groove 18 enabling the mounting rib 4 to be fitted thereto and is arranged right above the down pipe support implement 5 by fitting the mounting rib 4 to the connecting insertion groove 18. The positioning stopper 6 has a pair of locking piece sections arranged in parallel with a gap being the connecting insertion groove 18 and a wide groove operation section which is integrated with at least one of the pair of locking piece sections and extended in a direction opposite to the connecting insertion groove 18. <P>COPYRIGHT: (C)2012,JPO&INPIT |
