| 摘要 |
A tape cassette includes a cassette casing which rotatably accommodates tape reels for winding a tape and accommodates a reel locking member for preventing the rotation of the reel when the tape cassette is not in use, wherein the reel locking member is unitedly formed with a spring portion for spring-biasing the reel locking member in its locking direction that the reel locking member prevents the rotation of the reels, and wherein the reel locking member is made of shape memory resin.
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