| 摘要 |
PURPOSE: A multi function door lock device is provided which opens and closes a door when a battery is discharged. CONSTITUTION: According to the door lock device, a 10-key part(11) for mechanical button is installed in a door to register a random cipher code or to input a cipher code according to a key operation, and the door is opened or closed according to a door open/close driving operation after judging whether the input of the cipher code is right or not. A self-charging lever(15) is installed on a front panel part(10A) out of the door to generate a constant operation supply power by a rotation force when a battery required for opening and closing the door is discharged.
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