Patent ID: 6104577
Filing Date: 2000-08-15
Classification: G11B

Abstract:
A disc cassette comprising:a case in which a disc-like recording medium having an information recording area is rotatably received, said case having an opening through which at least a part of said information recording area of said medium is exposed;means for defining a rectangular recess on a front area of said case where said opening is positioned, said rectangular recess being defined by two opposed side walls, a back wall and a bottom wall, said back wall being oriented to face forward; anda shutter slidably engaged with said rectangular recess in a manner to selectively open and close said opening, said shutter being slidable in a direction parallel to a direction in which said back wall extends,wherein said back wall of said rectangular recess has a surface inclined relative to said bottom wall, said back wall and said bottom wall forming an obtuse angle, and wherein a height of said back wall defines a depth of said rectangular recess, said depth being greater than a thickness of said shutter.