| 摘要 |
PROBLEM TO BE SOLVED: To provide a sash roller device which travels smoothly on a rail and can easily assure airtightness with a window frame by moving a sash door indoors when the sash door is locked. SOLUTION: This sash roller, which has a mounting member 18 provided at a lower end of the sash door 12, is provided in the sash door 12 which is moved along a protrusive streak 36 of a rail, mounted on the window frame 28. The mounting member 18 has: a supporting plate 22 which is oscillatably coupled by a rotating shaft 20 located almost in parallel with the protrusive streak 36; and a wheel 26 which is mounted on the supporting plate 22 and journaled by an axle 24 approximately perpendicular to the supporting plate 22, so as to travel on the protrusive streak 36. The sash door 12 is provided with an indoor side surface 16c which is located on the indoor side of the supporting plate 22 and serves as a holding surface facing the supporting plate 22. The rotating shaft 20 is located on the indoor side vertically below the center of gravity of the sash door 12, and the sash door 12 is constantly urged to the outdoor side by its self-weight. COPYRIGHT: (C)2004,JPO
|
