| 摘要 |
PROBLEM TO BE SOLVED: To provide a magnetic tape cartridge capable of preventing an ejecting failure caused by the floating of an inner lid by eliminating the play of the opening/closing lid in its last closed state. SOLUTION: This magnetic tape cartridge is provided with a magnetic tape cartridge outer lid 4, and an inner lid 5 rotatably fitted to the outer lid 4 and opened/closed in linkage with the outer lid 4 by the sliding of a guiding pin 5b in the guiding groove 6 of a cartridge main body 3. The groove wall 6a of the guiding groove 6 is provided with a pressing guide wall part 16 for pressing the guiding pin 5b in the last closed state of the outer lid 4, and pressing the inner lid 5 to a closed opposite side.
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