摘要 |
<p>A disc cartridge has a cartridge body (1) with a disc (D) rotatably housed therein, and a shutter (5) slidably mounted on the cartridge body (1), for opening and closing a disc access opening (4) defined in at least one of the walls of the cartridge body (1). The shutter (5) has a thin film (11) on a surface thereof which is held in sliding contact with the cartridge body (1), the thin film (11) being made of a material having a small coefficient of friction, such as acrylic resin, Teflon, nylon or Delrin. <IMAGE></p> |