发明名称 Roof safety bracket system
摘要 A system to protect workmen from falling from a roof. It is especially useful for flat roofs. The main components of the roof safety bracket system are brackets and safety line. Each bracket has a cross-member having a first and second end. The cross-member at its first end extends forward from the first upright near the top of the first upright. Each bracket has a second upright attached to the second end of the cross-member. There is a roof attachment unit including a roof plate and an upright attachment plate. The roof plate extends forward from the first upright and the upright attachment plate extends downward along the first upright from the roof plate. Each bracket includes a receiver box extending from the bottom of the first upright and a horizontal stabilizer. The horizontal stabilizer includes an adjustment bar and face plate, where the adjustment bar adjustably fits into the receiver box. A series of such brackets are set on a roof with safety line between the brackets to aid in the prevention of someone falling off a roof.
申请公布号 US6276668(B1) 申请公布日期 2001.08.21
申请号 US19990306102 申请日期 1999.05.06
申请人 SWEELEY WILLIAM L. 发明人 SWEELEY WILLIAM L.
分类号 E04G21/32;(IPC1-7):E04H17/14 主分类号 E04G21/32
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