发明名称 Door blocking brace and lock
摘要 The present invention relates to a folding door brace to prevent unwanted entry of an intruder. The present invention is a folding, portable door brace that may be easily installed and removed on a wide variety of door types. The door brace also has a motion sensor and an alarm to alert any occupants of the room to any attempts to open the door. A number of interchangeable foot pads are provided to allow the door brace to be used with a variety of different floor surfaces.
申请公布号 US7030758(B1) 申请公布日期 2006.04.18
申请号 US20040848304 申请日期 2004.05.18
申请人 BLOCKIT & LOCKIT SYSTEMS 发明人 MARKEGARD HARVEY K.;HIGGINS JOSEPH M.
分类号 G08B13/08 主分类号 G08B13/08
代理机构 代理人
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