Patent ID: 7383559

Claim:
A disc cartridge, comprising: an upper half and a lower half abutted and connected to each other to form a main body unit of the cartridge for rotationally housing a disc therein; wherein said disc cartridge includes an upstanding peripheral wall section formed on the outer periphery of the upper half, and an upstanding peripheral wall section formed on the outer periphery and the lower half, with the two upstanding peripheral wall sections being abutted to each other to form a peripheral wall section of the main body unit of the cartridge, there being formed a housing forming wall section on each of the inner surfaces of the upper and lower halves, said housing forming wall sections being abutted to each other to form a disc housing adapted to hold the disc therein; said lower half including a first tubular section in one of areas delimited by said upstanding peripheral wall section and said housing forming wall section thereof, said first tubular section including a circular first positioning hole, said lower half also including a second tubular section in the other area, said second tubular section having an oblong second positioning hole, at least said second tubular section being formed in continuation to said upstanding peripheral wall section and said housing forming wall section of said lower half; said upper half including tubular first and second abutment supports, abutted against said first and second tubular sections, at least said second abutment support being formed in continuation to said upstanding peripheral wall section and said housing forming wall section of said upper half; said upper and lower halves being unified together to form a main body unit of the cartridge by said upstanding peripheral wall sections and said housing forming wall sections thereof abutting against each other and by said first and second tubular sections compressing and abutting against said first and second abutment supports.