发明授权
- 专利标题： Snap lock balance shoe and system for a pivotable window
- 专利标题（中）： 卡扣平衡鞋和可枢转窗口的系统
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申请号： US10446279申请日： 2003-05-23
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公开(公告)号： US06820368B2公开(公告)日： 2004-11-23
- 发明人: Stuart J. Uken , Gary R. Newman , Lawrence J. VerSteeg
- 申请人： Stuart J. Uken , Gary R. Newman , Lawrence J. VerSteeg
- 主分类号： E05D1522
- IPC分类号： E05D1522
摘要：
The invention relates to a snap lock balance shoe and balance systems to be incorporated in pivotable double hung windows and installation methods of such systems. In one embodiment, the snap lock balance shoe includes a pair of retractable tabs that partially extend through openings within an inverted window balance. In one embodiment of the method, an elongated end of the balance shoe is inserted into a window jamb and then rotated into position.
公开/授权文献
- US20030192257A1 Snap lock balance shoe and system for a pivotable window 公开/授权日：2003-10-16
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