| 摘要 |
PROBLEM TO BE SOLVED: To provide a roll shade device which can be further reduced in size in an axial line direction of a winding shaft.SOLUTION: A roll shade device comprises: a shading sheet 21 which blocks light passing through a translucent part, or permits the passage of the light; a winding shaft 31 to which a one-side end of the shading sheet 21 is connected, and which can wind and unwind the shading sheet 21; a pulley 32 which is arranged at the winding shaft 31 so as to be concentric therewith, and in which a groove 32a is formed at a periphery; a wire 33 which is connected to the pulley 32 at the one-side end, connected to the other side end of the shading sheet 21 at the other side end, and wound to and unwound from the pulley 32 in a winding direction which is reverse to a winding direction of the shading sheet 21 in a state of being spirally aligned to the groove 32a in one row; and an energization member 34 which energizes the winding shaft 31 to a rotation direction in which the shading sheet 21 is wound, and energizes the pulley 32 to a rotation direction in which the shading sheet 21 is unwound via the wire 33.SELECTED DRAWING: Figure 2 |
