发明名称 Safety Gate With Attached Toe Board
摘要 An attachment is provided for a safety gate that is positioned to close the opening in a catwalk to allow access to and from a ladder or stairs. The gate is urged to the closed position by springs. The improvement is an attachment for connecting to the lower side of existing gates to prevent workmen using the catwalk from slipping under the gate and falling into the opening for stairs or a ladder.
申请公布号 US2009217591(A1) 申请公布日期 2009.09.03
申请号 US20080040957 申请日期 2008.03.03
申请人 LACOOK DAVID 发明人 LACOOK DAVID
分类号 E06B9/01 主分类号 E06B9/01
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