| 摘要 |
PROBLEM TO BE SOLVED: To make an open space on the inside of a frame body larger.SOLUTION: A guide rail 20 includes: a non-movement part 22 which comprises a screen part 25 for screening a clearance S1 between a slat 4 and a casing 11 and an attachment part 24 for being attached to the casing 11 and which has the screen part 25 immovably connected to the attachment part 24; and a movement part 23 which comprises a screen part 27 for screening a clearance S2 between the slat 4 and the casing 11 and an attachment part 26 for being attached to the casing 11 and which has the screen part 27 movably connected to the attachment part 26. A section with a predetermined length from one end is composed of the non-movement part 22. A part except the non-movement part 22 is made of the movement part 23. |
