Patent ID: 7290729

Claim:
A tape cartridge which can be inserted into a tape drive having an opening member and an engagement member which can operatively engage the tape cartridge when the tape cartridge is inserted in the tape drive, the tape cartridge comprising: (a) a case; (b) a tape access opening provided on a first side of the case, the first side being located completely to one side of a center line of the case, the center line extending in a cartridge insertion direction; (c) a shielding member able to move reciprocally between a closing position for closing the tape access opening and an opening position for opening the tape access opening; (d) an operation portion which is configured to cooperate with the opening member of the tape drive to move the shielding member toward the opening position when the cartridge is inserted; and (e) a concave portion provided at a second side of the case configured to cooperate with the engagement member of the tape drive when the cartridge is inserted, and the concave portion has a push surface, an engagement surface and an inclined surface, wherein the second side of the case is a side of the case opposite the first side of the case, wherein the engagement surface, the push surface, and the inclined surface are positioned in that order from a front side toward a rear side in the cartridge insertion direction; the engagement surface extends in a vertical direction which is substantially orthogonal to the cartridge insertion direction; the push surface is substantially parallel to the cartridge insertion direction; and the inclined surface obliquely intersects the cartridge insertion direction, and wherein the tape cartridge is configured to be inserted into and removed from a predetermined device other than the tape drive, and wherein the concave portion is configured to be engaged by a pushing member of the predetermined device when the cartridge is inserted in the predetermined device in order to position the cartridge.