| 摘要 |
A tape reel including: a substantially circular cylinder shaped hub; flanges provided as separate bodies from the hub at both end portions of the hub; a connecting member connecting together the flanges at the inside of the hub, in a non-contact state with the inner peripheral face of the hub. The recording tape is wound on the hub in such a manner that the side of the recording tape with the smaller radius of tape edge curvature is on the smaller diameter side of the hub. Also disclosed are: a recording tape cartridge housing such a tape reel; a take-up reel provided in a drive device; a drawing-out member, housed in the hub of a take-up reel and on which recording tape drawn-out from a recording tape cartridge is wound; and a drive device with take-up reel and drawing-out member.
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