Disc cartridge shutter opening mechanism including a guide...

Disc cartridge with a cleaning mechanism

Disc cartridge with alignment elements on two hub halves

Disc cartridge with aperture for access to disc provided with sh

Disc cartridge with bent shutter plate to facilitate mounting of

Disc cartridge with clearance groove

Disc cartridge with improved shutter mechanism

Disc cartridge with improved shutter slide operation

Disc cartridge with liners uplifted by lifter units having comb

Disc cartridge with opening detector

Disc cartridge with opening for exposing disc extending to thin

Disc cartridge with opposing sets of crossed ribs directly press

Disc cartridge with particular cover configuration

Disc cartridge with shutter and assembling and mounting mechanis

Disc cartridge with slidable shutter

Disc cartridge with slippery film to reduce friction and...

Disc cartridge with thick portion surrounding head insertion hol

Disc cartridge with wedge-shaped inclined shutter slider engagin

Disc cartridge withribbed shutter

Disc case