| 摘要 |
PROBLEM TO BE SOLVED: To reduce a first clearance between one side edge on the electric motor side of window frame and one side edge of a screen body, and to reduce the difference between the first clearance and a second clearance between the other side edge of the window frame and the other side edge of the screen body. SOLUTION: A winding roller 2 for winding the screen body comprises a shaft body 21 interlockingly connected to an output shaft 31 of the electric motor 3 disposed outward in the axis direction of the winding roller 2, and having projecting strips 26 in a plurality of circumferential positions; a cylindrical body 22 having engaging grooves 27 engaged with the projecting strips 26, and detachably fitted to the shaft body 21; and a cylindrical loose fitting part 23 formed integrally with the cylindrical body 22 and loosely fitted around the outside of the electric motor 3. The screen body A can be wound around the outside of the electric motor 3. COPYRIGHT: (C)2006,JPO&NCIPI
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