发明名称 Snap lock balance shoe and system for a pivotable window
摘要 Disclosed are apparatus for a snap lock balance shoe and system to be incorporated in pivotable double hung windows. In one embodiment, the snap lock balance shoe includes a pair of retractable tabs that partially extend through openings within an inverted window balance.
申请公布号 US2003192257(A1) 申请公布日期 2003.10.16
申请号 US20030446279 申请日期 2003.05.23
申请人 AMESBURY GROUP, INC. 发明人 UKEN STUART J.;NEWMAN GARY R.;VERSTEEG LAWRENCE J.
分类号 E05D15/08;E05D15/22;E05F3/00;(IPC1-7):E05D15/22 主分类号 E05D15/08
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