Abstract: A display box includes a base and a cover mountable to the base. A frame together with an extension board is movably connected to the base which has an opening through which a casing for storing a compact disk is inserted and supported on the frame. The frame may also be positioned to seal the opening so that a compact disk can be received in the box safely.

Abstract: A disc storage box includes a main body, and a disc positioning device integrally formed on the main body. The disc positioning device includes a locking portion having a protruding locking knob which formed with a press face, a plurality of insertion blocks and locking arms arranged in a staggered manner, and a plurality of gaps each located between each of the insertion blocks and each of the locking arms. Each of the locking arms is formed with a protruding boss. Thus, the disc is exactly locked on the disc positioning device stably and rigidly, thereby preventing from detachment of the disc due to a violent vibration or shock.

Abstract: A disc storage box includes a main body, and a disc positioning device integrally formed on the main body. The disc positioning device includes a locking portion having a protruding locking knob which formed with a press face, a plurality of insertion blocks and locking arms arranged in a staggered manner, and a plurality of gaps each located between each of the insertion blocks and each of the locking arms. Each of the locking arms is formed with a protruding boss. Thus, the disc is exactly locked on the disc positioning device stably and rigidly, thereby preventing from detachment of the disc due to a violent vibration or shock.

Abstract: A display box includes a base and a cover mountable to the base. A frame together with an extension board is movably connected to the base which has an opening through which a casing for storing a compact disk is inserted and supported on the frame. The frame may also be positioned to seal the opening so that a compact disk can be received in the box safely.

Abstract: A compact disk casing includes a base and a cover which is pivotally connected to the base. A locking plate is inserted from a side of the casing and is retained by a bridge member on the base so as to limit the cover from being opened. A locking member is located on a top surface of the base and the locking plate has two flexible matching members which are engaged with two engaging members of the locking member. A key can be inserted from an underside of the base to shift the two matching members to allow the locking plate to be pulled from the casing.

Abstract: A compact disk casing includes a base and a cover which is pivotally connected to the base. A locking plate is inserted from a side of the casing and is retained by a bridge member on the base so as to limit the cover from being opened. A locking member is located on a top surface of the base and the locking plate has two flexible matching members which are engaged with two engaging members of the locking member. A key can be inserted from an underside of the base to shift the two matching members to allow the locking plate to be pulled from the casing.

Abstract: A compact disk receiving device includes a base and a cover pivotally connected to the base. Two recesses are defined in a top surface of the base and a protrusion is connected to an inside of each of the two recesses. Each the protrusion has an extension portion extending therefrom and a gap is defined between the protrusion and the extension portion so that the extension portion is able to be pushed to narrow the gap. Each extension portion has a ridge extending from an outside thereof so that the two ridges are engaged with an inner periphery of a central hole of a compact disk. When pushing the two protrusions toward with each other, a distance between the two ridges is shortened to allow the two protrusions to be inserted in the central hole of a compact disk.

Abstract: A compact disk receiving device includes a base plate with a circular flange extending therefrom which has a lip portion extending radially inward therefrom so as to engage with two engaging plates extending from the bottom of an engaging member which is rotatably mounted to the circular flange. Two hook members extending radially outward from the flange and which are pushed outwardly and downwardly by the long side of the engaging member when rotating the engaging member so as to compress a compact disk mounted onto the flange.