| 摘要 |
A tape cassette storage box comprises a main body which has a tape cassette detachable opening and an auxiliary opening, the detachable opening detachably holding a tape cassette one of the two flat surfaces of the cassette being exposed to the outer atmosphere, and the auxiliary opening exposing one of the four side surfaces of the cassette held in the body to the outer atmosphere; a cover which is rotatable between a first position where the cover covers the detachable opening and a second position where the cover is spaced apart from the detachable opening; and a tongue portion which moves together the cover, which covers the auxiliary opening and which faces the one side surface when the cover is located in the first position, and an end portion of which, being away from the cover, comes close to the one side surface when the cover is moved from the first position to the second position, wherein the tongue portion has an eject member which moves together with the tongue portion and is spaced apart from the cassette upon the movement of the cover to the first position and which makes a part, in the vicinity of the one side surface, of the one flat surface, move in the direction away from the detachable opening upon the movement of the cover from the first position to the second position.
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