Patent ID: 7201341

Claim:
A recording tape cartridge comprising: a case that rotatably houses a single reel onto which recording tape is wound; a leader member that is attached to an end portion of the recording tape and is pulled out by a pullout mechanism of a drive device; a spring member including an attachment portion that is attached to the case and pullout resistance force action portions that impart pullout resistance force to the leader member as a result of bending deformation; and support point members that contact the spring member between the attachment portion and the pullout resistance force action portions, wherein when D 1 represents the height of the support point members measured from an attachment reference surface where the spring member is attached to the case, and D 2 represents the height of the spring member in a natural state at the portions where the spring member contacts the support point members, the spring member is bent such that D 2 ≦D 1 .