VIBRATION PREVENTING STRUCTURE OF CURTAIN UNIT

To provide a vibration prevention structure capable of performing reduction of the number of components and reduction of assembling man-hour.SOLUTION: A curtain unit includes a winding shaft 60, a curtain 70, a coil spring 90, a front holder 30, a bush 40 and a slider. An engagement part 34 formed as an annular bottomed groove 34a directing to an axial line of a shaft part 33 from an outer circumferential surface of the shaft part 33 is arranged on the shaft part 33, a part 43 to be engaged provided with a projective portion capable of engagement with the engagement part 34 is arranged on the bush 40, the engagement part 34 and the part 43 to be engaged are engaged in the assembled state, the bush 40 is regulated in the movement in an axial line direction of the shaft part 33, and an inner circumferential surface of the winding shaft 60 and an outer circumferential of the part 43 to be engaged are abutted on each other.SELECTED DRAWING: Figure 6 【課題】部品点数の削減と組付け工数の削減をすることができる振動防止構造を提供する。【解決手段】カーテンユニットは、巻取シャフト６０と、カーテン７０と、コイルばね９０と、フロントホルダ３０と、ブッシュ４０と、スライダと、を備える。軸部３３には、軸部３３の外周面から軸部３３の軸線に向かう環状の有底溝３４ａとして形成された係合部３４が配設され、ブッシュ４０には、係合部３４と係合可能な突起状部分を備える被係合部４３が配設され、組み付けられた状態において、係合部３４と被係合部４３とが係合されブッシュ４０が軸部３３の軸線方向への移動を規制され、かつ、巻取シャフト６０の内周面と、被係合部４３の外周面とが当接している。【選択図】図６