Patent ID: 7690594

Claim:
A recording tape cartridge, comprising: a case that includes an upper case and a lower case, and in which a single reel on which a recording tape is wound is accommodated; a leader pin that is attached, directly or through a leader tape, to an end portion of the recording tape, and includes flange portions formed at both ends thereof; an opening that is formed at the case, and from which the leader pin is pulled out; holding portions that are formed at the upper case and the lower case respectively, and hold respectively the flange portions of the leader pin in the vicinity of the opening; an overhang portion that is formed at at least one of the holding portions, and overlaps with the flange portion at an inner surface side thereof when the leader pin is held at the holding portions; and an elastic deformable engaging portion that is formed at at least one of the holding portions of the upper case and the lower case, said elastic deformable engaging portion configured by the same material of at least one of the upper case and the lower case at which said elastic deformable engaging portion is formed, and said elastic deformable engaging portion being formed out of a wall portion of at least one of the upper case or the lower case to urge the flange portion in an axial direction of the leader pin when the leader pin is held at the holding portions.