| 摘要 |
Retention portions that retain a leader member of recording tape are formed inside a case, and a spring member pushes the leader member toward the retention portions. The spring member contacts support point members, and the support point members serve as support points when the spring member deforms. The support point members, which are disposed such that they protrude from side walls of the case, include a height D 1 from an inner surface (attachment reference surface) of the side walls. The spring member is bent such that its height at positions contacting the support point members from the attachment reference surface includes a height D 2 in a state where the spring member is not attached to the case. Here, D 2 <=D 1 . When the spring member is attached to the case, the spring member always contacts the support point members. Thus, the pushing force of the spring member is stable.
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