Multi-disk player/recorder with biased locking means for disk cassettes

A multi-disk player for selectively playing one of a plurality of disks each in a disk cassette, comprising:

• recording/playing means;
• a containing portion adjacent said recording/playing means for holding a plurality of trays arranged in a stack, each tray for holding a disk cassette containing an optical disk, said tray being extractable in a first direction from said containing portion toward said recording/playing means and in an opposite direction from said recording/playing means to said containing means;
• a panel at the front of said containing portion having a plurality of stacked insertion ports, a disk cassette being insertable through a port onto a tray of said container portion;
• a sliding device for reciprocally moving a selected disk cassette and tray between said containing portion and said recording/playing means;
• a first elevator for raising and lowering said sliding device to a height corresponding to the height of the selected disk cassette,
• a disk cassette receiving frame provided in the recording/playing means for receiving the selected disk cassette from said containing portion,
• a second elevator for raising and lowering the height of said disk cassette receiving frame to a height corresponding to the height of the selected disk cassette in said containing portion,
• a catching member supported reciprocally movably in directions to and away from said recording/playing means for catching the end of the selected disk facing said recording/playing means,
• a horizontal plate provided in said catching member on a surface of each tray,
• a first bias means stretched between said horizontal plate and the main body of each tray for urging said catching member in a direction to engage a disk cassette on a tray;
• a latch lever on each tray which is displaceable from a latch position where said catching member is received to a releasing position where it is not received,
• a second bias means for each tray for urging said latch lever toward the latch position,
• a moving means in each tray for moving said latch lever toward the releasing position against said second bias means,
• an ejecting means for each tray for starting operation of said moving means and moving said latch lever toward the releasing position,
• an ejecting key for each tray for operating said ejecting means, and
• means for each tray for interlocking said ejecting means and said ejecting key when the tray is positioned in said containing portion.