| 摘要 |
A lockable cap is disclosed which includes a base having an opening penetrating through the base plate, an openable cover pivotably mounted on the base for releasably covering the opening, an elastic member for elastically thrusting the cover in an opening direction for exposing the opening, a latch member for retaining the cover in a closed position with respect to the base against elastic thrust applied by the elastic member, a key-operated lock disposed in the base, a key-for setting and opening the key-operated lock, and a latch releasing member attached to the key-operated lock for releasing the latch member to open the cover when the key is inserted into the lock to open.
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