发明名称 Block and tackle balance assembly with brake shoe
摘要 A sash balance brake shoe assembly (2) is disclosed for counterbalancing a sash window (3) slidably supported within a master frame (5). The assembly generally includes a balance assembly preferably in the form of a block and tackle balance assembly (7) and a brake shoe (28). The balance assembly has a balance channel (6). The brake shoe (28) has an extension member (36) that is received by the balance channel (6). A fastener (42) directly connects the brake shoe (28) to the balance channel (6).
申请公布号 US7673372(B2) 申请公布日期 2010.03.09
申请号 US20060553041 申请日期 2006.10.26
申请人 NEWELL OPERATING COMPANY 发明人 ANNES JASON;SOLES RALPH
分类号 E05D15/22;B66D3/08;E05C17/64 主分类号 E05D15/22
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