发明名称 Lifting mechanism for window shades
摘要 Provided is a lifting mechanism for a shade including a plurality of continuous slats and two lift cords. The mechanism comprises a winding assembly, and a hoisting assembly fixedly attached to an inner surface of a lowest slat, the hoisting assembly comprising an elongated, hollow member of rectangular section including a bottom rectangular opening and two holes on its upper surface proximate both ends of the opening, and a channel fitted in the hollow member, the channel including a plurality of rollers across two raised walls thereof. The winding assembly is fixedly attached to an outer surface of the lowest slat. Either lift cord has one end terminated at a left (or right) portion of a topmost slat and the other end terminated at the winding assembly by passing left (or right) portions of the slats.
申请公布号 US2006169421(A1) 申请公布日期 2006.08.03
申请号 US20050048707 申请日期 2005.02.03
申请人 CHENG LI-MING 发明人 CHENG LI-MING
分类号 E06B9/30 主分类号 E06B9/30
代理机构 代理人
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