Patent ID: 6910652

Claim:
A recording tape cartridge which is loaded into a drive device from a predetermined loading direction for use, the recording tape cartridge comprising: a case for rotatably accommodating, at an interior of the case, a single reel on which a recording tape is wound, the case having a wall surface in which is formed an opening for pulling-out of the recording tape; a closing member provided slidably within the case, for opening and closing the opening; and an urging member for urging the closing member to move in a direction of closing the opening, the urging member having end portions, wherein the case has, at the interior of the case, an anchor projection for attachment of one end portion of the urging member, and the closing member has a holding projection for attachment of another end portion of the urging member, and the distal ends of the holding projection and the anchor projection respectively project in a same direction.