| 摘要 |
<p>PURPOSE:To improve maintenance workability by installing a movable carriage which can be taken in and out of a wall structure and by making this movable carriage hold piping and wiring. CONSTITUTION:A piping/wiring space 25 is formed inside a wall structure 20A, and the space 25 is opened/closed by a shutter 26 provided in front of the piping/wiring space 25. A movable carriage 27 is provided which can be taken in and out of this piping/wiring space 25, and this movable carriage 27 holds piping 28 and wiring. A bellows hose 29 is provided at a connection part between this piping 28 and the side of a living room for wiring, and the handling length of the piping 28 and the wiring is made telescopic in a certain range. Thus, the piping extended in a building can be maintained in a wide range.</p> |
