| 摘要 |
A tape cassette is provided with a lock member of a covering member integrally connected with a spring member having high durability and strength as well as improved workability at assembling. The tape cassette includes a covering member rotatably mounted to the housing to cover the tape member placed at a front of the housing, and a lock member provided inside the housing to lock the covering member in a closed state. The lock member is rotated together with the main body and is provided with rotation shafts pivotally supported in the housing, an engagement projection rotating around the axis between the locked position engaging with the covering member and the locked position not engaging with the covering member, biasing members for biasing the engagement projection toward the locked position, and an unlock member for shifting the engagement projection toward an unlocked position. The biasing member is integrally connected with the main body at a remote position from the engagement projection and the unlock member.
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