Patent ID: 7014137

Claim:
A recording tape cartridge comprising: a case accommodating a single reel, on which a recording tape is wound, such that the reel is rotatable; a portion having an opening which is for pulling-out of a leader pin attached to an end portion of the recording tape, the portion being formed at the case; a pin holding portion holding the leader pin in a vicinity of the opening; and an anchor spring having a proximal portion and a free end, and the proximal portion is fixed to the case, and at the free end, the anchor spring pushes the leader pin and holds the leader pin at the pin holding portion, wherein a projection, which is a fulcrum of the anchor spring and which is positioned between the proximal portion and the free end of the anchor spring, is provided at the case, and wherein the anchor spring comprises a plate spring and has a central portion which is bent and extends at about 90° from the proximal portion, and a bifurcated operation portion which is bent at about 90° from the central portion and extends parallel to but in an opposite direction from the proximal portion, and the free end comprises distal ends of branches of the operation portion, and the distal ends of the branches are shaped such that surfaces thereof which abut both ends of the leader pin are arc-shaped in plan view.