发明名称 ROLLER SHADE TUBE WITH EXTENSION WING
摘要 <p>An improved roller shade tube assembly (11) is provided. The assembly (11) includes a roller or tube member (13) having an outside surface around which a fabric shade (23) is wound. The fabric shade (13) has outside (25) and inside (27) sheets between which are a series of fabric slats (29). The assembly (11) also includes an extension wing element (17) having one end that is pivotally connected to the outside surface of the roller member (13) and a second opposite end to which one of the fabric sheets (25, 27) is attached.</p>
申请公布号 WO2001002688(A1) 申请公布日期 2001.01.11
申请号 US2000014951 申请日期 2000.05.30
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