| 摘要 |
PROBLEM TO BE SOLVED: To provide a tape cassette capable of suitably regulating displacement of a tape to the width direction.SOLUTION: In the tape cassette, a tape is stored in a box-shaped cassette case including an upper case and a lower case 312. An arm part 34 includes a lower arm front surface wall 35B which is a part of a lower peripheral wall 304, and a separation wall 33 provided between the lower arm front surface wall 35B and a head insertion part 39 and extending upward from a bottom plate 306. In the arm part 34, the tape is guided along a conveyance route between the lower arm front surface wall 35B and the separation wall 33. The separation wall 33 is provided with a first tape lower regulation part 383 and a separation wall regulation part 381B for regulating displacement of the tape to the width direction. |
