PULL DOWN, PUSH UP, SHADE ASSEMBLY

专利名称：PULL DOWN, PUSH UP, SHADE ASSEMBLY发明人：CHENG, LI-MING,WU, LAWRENCE, S.申请号：US2004023450申请日：20040721

公开号：WO2005010307A3公开日：20050915

摘要：A pleated shade assembly (10) capable of height adjustment without use of pullcords, comprising an upper elongated support(11) ; a lower elongated member(13) thatis manually adjustable up and down; primary lines (20,21) extending through shade pleats(16) to suspend the bottom elongated member (13); primary rotors (40) at the topelongated support(11) to entrain the primary lines(20,21); at least one secondary line (24)having operative connection to the primary lines(20,21); and apparatus acting on thesecondary line or lines (24) for counterbalancing suspension force exerted on the primarylines (20,21) at different shade height adjusted levels including dual rotarymembers(80,81) exerting tensioning force on said secondary line or lines(24), andincluding a spring(83) coupled to the dual rotary members(80,81) exerting force tendingto entrain the secondary line or lines(24) about the dual rotary members(80,81), forstorage on at least one of the members.

申请人：ZIPSHADE INDUSTRIAL (B.V.I.) CORP.

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