| 摘要 |
In a recording tape cartridge provided with a reel having a hub at which a recording tape is wound, a case that accommodates the reel such that the reel is rotatable, and an opening formed at the case from which a leader member attached to a distal end of the recording tape is pulled out, the hub is formed in a substantial barrel shape. Further, the hub of a take-up reel of a drive device into which the recording tape cartridge is loaded is formed in a substantial barrel shape.
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