| 摘要 |
The present invention relates to an auxiliary key for a door where a bunch of keys are easily assembled. More specifically, an operation lever of a bunch of keys is attached to a cam formed inside a door key body to be easily inserted and assembled to an operation hole elongated in an interval control piece which is vertically slid when an auxiliary key body is attached to the inside of a door, and the bunch of keys are attached to the outside of the door to enable the auxiliary key and the bunch of keys to be assembled to be linked. |
