Disc-shaped recording medium reproducing apparatus

A reproducing apparatus for reproducing a disc-shaped recording medium which is accommodated within a case, said case comprising a jacket which has a space for accommodating said disc-shaped recording medium and an opening for allowing said disc-shaped recording medium to go in and out of said jacket, and a lid member inserted through said opening of said jacket for closing said opening of said jacket, said reproducing apparatus comprising:

• an inserting opening part through which said case is inserted into said reproducing apparatus;
• a turntable for rotating said disc-shaped recording medium;
• clamping means for clamping at least one of said disc-shaped recording medium or said lid member, provided at the innermost part on the opposite side from said inserting opening part with respect to said turntable;
• a pickup frame having a reproducing transducer for reproducing the disc-shaped recording medium placed on said turntable;
• moving means for moving said pickup frame between a waiting position and a reproducing position with respect to the disc-shaped recording medium;
• a pair of guide rails provided extending between a position of said inserting opening part and a position at an innermost part of said apparatus, at right and left sides of a moving passage of said case, and allowing slider means for supporting said case to move therealong in response to the inserting and pulling out operation of said case, among the pair of guide rail, the guide rail at the side of said pickup frame comprising fixed front and rear guide rail parts respectively fixed at the front end and the rear end of said apparatus in coincidence with a linear line extending in the case inserting direction, and a moving guide rail provided on said pickup frame to move together therewith;
• and
• position restricting means for restricting the final position of said moving guide rail part so as to align with said fixed front and rear guide rail parts, when said pickup frame is returned to the waiting position.