| 摘要 |
A window covering includes a mounting unit, a shading unit, and a winding unit. The mounting unit includes a first fixing member and a second fixing member. The shading unit includes a rotating axle, a curtain member fixed at one end to the rotating axle and which is wound on and unwound from the rotating axle, a first rotating member, and a second rotating member. The first rotating member and the second rotating member are fixed to the rotating axle and extend respectively through the first fixing member and the second fixing member to support rotation of the rotating axle therebetween. The winding unit is mounted to the first fixing member and includes a spring reel secured to the first rotating member to rotate therewith, an auxiliary wheel, and a spring wound around the auxiliary wheel and which is fixed at one end to the spring reel.
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