发明名称 Curtain hoisting clutch apparatus
摘要 An improved curtain hoisting apparatus is wedged to a left end of a track and mainly includes a gear located on the bottom of an anchor body. The gear has a spindle pin movable in an m-shaped channel formed on an inner side of a wedge plate. The spindle pin is allowed to move and anchor in a first channel of the m-shaped channel to loosen a curtain cord for hoisting the curtain panel to a selected elevation. Pulling the curtain cord one more time allows the spindle pin moving from the first channel towards a second channel until anchoring at an outer rim at the left side of the m-shaped channel to brake the curtain cord thereby to halt the curtain panel at the selected elevation. Pulling the curtain cord repeatedly, the curtain panel may be hoisted and halted alternately and easily at selected elevations.
申请公布号 US2006108077(A1) 申请公布日期 2006.05.25
申请号 US20040995250 申请日期 2004.11.24
申请人 WANG WEN-JEN 发明人 WANG WEN-JEN
分类号 E06B9/324 主分类号 E06B9/324
代理机构 代理人
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