| 摘要 |
<p>A blind having a head rail (12),with upper and lower regions, and having an upper blind roller (30), a lower blind attachment (32) an upper blind (18) on the upper blind roller (30), a lower blind (16) on the lower blind attachment (32), upper and lower blind control mechanism (62, 64) and in which the upper blind (18) is operable to depend down beside a predetermined side of said lower blind attachment (32), and the lower blind (16) is operable to depend down alongside but spaced from said upper blind (18), so as to provide a head rail having a slim, aesthetically pleasing profile.</p> |
