发明名称 Brake for a cordless blind
摘要 A window covering including a head rail, a bottom rail, a window covering material extending between the head rail and bottom rail, a first and second lift cords extending between the head rail and the bottom rail, a spring motor configured to bias the bottom rail toward the head rail, mounted in the bottom rail, and operatively coupled to the first and second lift cords, and a brake mounted in the bottom rail and configured to releasably couple to the first lift cord to prohibit the spring motor from taking up the first cord, prohibiting the bottom rail from being raised or lowered.
申请公布号 US6684930(B2) 申请公布日期 2004.02.03
申请号 US20010017899 申请日期 2001.12.14
申请人 NEWELL WINDOW FURNISHINGS, INC. 发明人 PALMER ROGER C.;COULCHER RICHARD
分类号 E06B9/322;(IPC1-7):E06B9/30 主分类号 E06B9/322
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