| 摘要 |
PROBLEM TO BE SOLVED: To provide a sash roller device which can effectively prevent deposition of dust therein irrespective of whether a sash roller is set at an upper location or a lower location. SOLUTION: The sash roller device 1 is formed of an external frame body 2 which is fixed to a lower edge of a door body 30 in a manner opening downward, an internal frame body 3 which is mounted in the external frame body 2 via a vertical location variable means 6, and the sash roller 4 which is pivoted on the internal frame body 3 and has a lower edge protruded from a lower opening 2a of the external frame body 2. The sash roller device has a dust scraper member 5 mounted in the internal frame body 3, for scraping dust adhering to the sash roller 4. Then one edge of the dust scraper member 5 is adjoined to an external peripheral surface 4a of the sash roller 4, on a lower portion, via a minute gap s. COPYRIGHT: (C)2009,JPO&INPIT
|
