Patent ID: 6411597
Filing Date: 2002-06-25
Classification: G11B

Abstract:
A disc cartridge comprising:a disc holder for supporting a disc-shaped recording medium, the disc holder including a grip having an upper portion and a lower portion, and a disc receptacle portion, the grip being thicker than the disc receptacle portion; and a case defining a housing portion for receiving the disc holder and the recording medium, the case including an upper portion, a lower portion, and side portions surrounding the housing portion, the case allowing the disc holder with the recording medium to be inserted into and removed from the housing portion via an opening formed through one of the side portions, the upper and lower portions of the case each including a cut for exposing the upper portion and the lower portion of the grip respectively when the disc holder is in the case, wherein one of the grip and the cut of the case has a plurality of spaced apart lugs while the other of the grip and the cut of the case has a plurality of spaced apart recesses for receiving the lugs at positions corresponding to the lugs, to thereby engage the respective lugs wherein each of the upper portion and the lower portion of the grip has side portions tapering from a bottom end to a top end of the grip, the top end of the grip having a smaller width than the bottom end of the grip, the cut of the upper portion of the case and the cut of the lower portion of the case being shaped to correspond with the taper of the side portions of the grip thereby facilitating smooth engagement of the grip and the cuts.