| 摘要 |
PROBLEM TO BE SOLVED: To provide urea water tank in which a cover member can be easily withdrawn from a water supply port of the urea water tank together with an adapter and the cover member can be easily withdrawn from the water supply port of the urea water tank and the adapter.SOLUTION: When a column 30 is rotated and a cover member 10 is forcedly moved upward under a state in which the cover member 10 is installed at a water supply port 6 and an adapter 8 until an engaging piece 44a is positioned in an engaging groove 12a and an engaging piece 44b is positioned in an engaging groove 12c, the cover member 10 is removed from the water supply port 6 together with the adapter 8. In addition, when the column 30 is rotated and the cover member 10 is forcedly moved upward under a state in which the cover member 10 is installed at the water supply port 6 and the adapter 8 until the engaging piece 44a is positioned in an engaging groove 12b and the engaging piece 44b is positioned in an engaging groove 12d, the cover member 10 is removed from the water supply port 6 and the adapter 8.SELECTED DRAWING: Figure 10 |
