| 摘要 |
PROBLEM TO BE SOLVED: To provide fittings capable of properly setting the open-close operating force of a shielding body and capable of improving a convenience. SOLUTION: By operating a ball chain 22 of a manual operating unit 20 from the indoor side, a shutter face material 11 can be opened and closed even when a lower Shoji screen 4 is not opened, and the convenience can be improved. A driving pulley 21 is mounted near an end on the indoor side of an upper casing edge G1 and a rotating shaft 21A for the driving pulley 21 is mounted to a part lower than a rotating shaft 18A for a driving sprocket 18 and in parallel with the depth direction. Consequently, the driving pulley 21 and an upper frame 5 are made hard to interfere with each other, the operating force for rotation can be reduced by enlarging the driving pulley 21, so that the convenience can be improved. COPYRIGHT: (C)2010,JPO&INPIT |
