| 摘要 |
PURPOSE: A device for preventing an auxiliary key from releasing is provided to avoid the theft of properties in a house by preventing a handle rotator from rotating a handle of the auxiliary key. CONSTITUTION: In installing a device for preventing an auxiliary key from releasing, a case(101) is contacted with a door(154). The auxiliary key(151) is coupled in the case. Plural screws(158) are inserted in plural coupling holes(159) and coupled in a screw hole(155) of the door by a tool such as a driver. Then, the case and auxiliary key are sequentially fixed on the door. Additionally, a cover body(103) is coupled on the case to be readily rotatable by a hinge unit(104). Thus, the cover body is possible to be closed and opened.
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