摘要 |
The present invention provides a recording tape cartridge including an engagement portion formed on a hub of a reel; a brake member provided movable along an axial-direction, regulating reel rotation by engaging with the engaging portion and releasing the engagement to allow reel rotation; a component mounting portion formed at a position further at inner-side of the hub; a lock member, mounted at the component mounting portion movable in a radial-direction and provided between the reel and the case to regulate movement of the reel in the axial-direction, which moves away from the reel by being pressed by the brake member to allow movement of the reel, the lock member having a center of gravity provided along a direction in which the brake member initially abuts with and presses the lock member; and a biasing member biasing the lock member in the radial-direction.
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