Patent ID: 7562839
Filing Date: 2009-07-21
Classification: G11B

Abstract:
1. A recording tape cartridge comprising: a case that is configured by an upper case and a lower case and which singly houses a reel onto which recording tape is wound; a leader member that is attached to an end portion of the recording tape directly or via leader tape; flange portions formed on both ends of the leader member; an opening that is formed in the case and is for allowing the leader member to be pulled out; holding portions that are formed in the upper case and the lower case and hold the flange portions of the leader member in the vicinity of the opening; a projecting portion that is formed on at least one of the holding portions and which overlaps the flange portions on inner surface sides of the flange portions when the leader member is held in the holding portions; and a through hole that is formed in the holding portions of the upper case and of the lower case and from which part of the flange portions is exposed when the leader member is held in the holding portions; whereby the projecting portions do not include undercut portions between the upper case and lower case.