Patent ID: 6959889
Filing Date: 2005-11-01
Classification: G11B

Abstract:
1. A recording tape cartridge comprising: a case which is substantially rectangular and which rotatably accommodates a single reel on which a recording tape is wound; a portion having an opening which is formed in the case and is for pulling-out of a leader member attached to an end portion of the recording tape; a shielding member opening and closing the opening by sliding; and an urging member urging the shielding member in a direction of closing the opening, wherein a cantilevered supporting portion, which supports the urging member, is formed at a portion for attachment of the urging member, which portion for attachment is provided at the shielding member, and wherein the shielding member includes a door which is arc-shaped in plan view and curves along a direction of thickness of the door, and the door includes a supporting plate provided at an inner peripheral surface side of a rear end portion of the door, and the portion for attachment is a holding projection being a cylindrical solid and formed at a top surface of the supporting plate.