发明名称 Emergency door opening tool set and method for opening a door in an emergency
摘要 An emergency door opening tool set includes a screwdriver for removing a latch assembly cover plate, a second and a third tool for opening a locked door. The second tool includes an elongated bar with a mass of metal at one end thereof and an opening or recess in the shape of an outwardly projecting portion of the lock. A transverse force is applied to the elongated bar to break off the outwardly projection of the lock. The third tool includes an elongated bar, a T-shaped handle at one end thereof and a latch turning element at the opposite end. After removal of the broken off portion of the lock the third tool is inserted into the lock assembly and turned to retract a latch bolt from the striker plate. The set also includes a pouch or bag to carry the tool set.
申请公布号 US7406848(B2) 申请公布日期 2008.08.05
申请号 US20060554262 申请日期 2006.10.30
申请人 BUMIJDAD HUSSAIN 发明人 BUMI HUSSAIN
分类号 E05B63/09 主分类号 E05B63/09
代理机构 代理人
主权项
地址