Patent attributes
A cap closing structure for a sealed container includes an upper cover, a lower cover, an elastic element and a handle member. The upper cover includes a top plate having a through hole and a circumferential bracket having a retaining slanted surface. The lower cover underneath the upper cover includes a base plate having a latch member penetrating into the through hole and a sealing ring. The latch member includes a guiding structure. One end of the sealing ring is at outer side of the retaining slanted surface. The elastic element is mounted onto the latch member and clamped between the top and base plates. The handle member includes a dial lever and an arm with a shaft operably moving inside the guiding structure for the sealing ring to be sealed between the retaining slanted surface and container.