| 摘要 |
A blind having a support system and a sheet material secured to at least a portion of the support system. The support system includes a number (n) of horizontal support members and a number (n+1) of vertical support members, wherein n corresponds to an integer of 2 or greater, and a plurality of flexible joints connecting each vertical support member to at least one of the horizontal support members, with at least one of the vertical support members connected by one of the joints to at least two of the horizontal support members.
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