The present invention relates to a recording disc reproducing device wherein a disc like recording medium is held in a disc case having an opening at one end thereof, for insertion and removal of the disc like recording medium. The disc like recording medium remains inside the body of the device after pulling out the disc case which has been inserted to a predetermined position in the body of the device. The opening of the disc case inserted into the body of the device is expanded to be opened by an opening mechanism and after the disc case has been inserted part way into the device the disc case is secured by a latch connected to the opening mechanism. Further movement of the disc case into the device is possible after the latch engages the disc case.