| 摘要 |
A lock knob for a door is provided to improve safety by enabling a passenger to recognize lock and unlock state of a door latch easily through colors displayed on an indication window, by rotating a knob body as surrounding an indication panel. A hollow knob body(100) is prepared in a handle housing in a door, and locks and unlocks a door latch according to rotation by being connected to a latch cable, and has a circular indication window(110). An indication panel(200) is accommodated in the knob body, and is fixed to the handle housing, and is colored with two colors on a circular panel, and displays different colors on the indication window according to the rotation of the knob body.
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