发明名称 Shutter member for a magnetic disk cartridge
摘要 A magnetic disk cartridge comprising a magnetic disk for conducting image recording and reproducing through high-speed rotation and a case having a magnetic head receiving hole near a diagonal line of the case is provided with a shutter member having a rotation center at the corner of the case nearest to the magnetic head receiving hole. The shutter member is rotated fanwise to open and close the magnetic head receiving hole. The magnetic head receiving hole is opened when a portion of the shutter member engages an exterior shutter opening contact member of a recording device upon insertion of the magnetic disk cartridge. The magnetic head receiving hole is closed upon removal of the disk cartridge from the recording device.
申请公布号 US4644434(A) 申请公布日期 1987.02.17
申请号 US19830527287 申请日期 1983.08.29
申请人 FUJI PHOTO FILM CO., LTD. 发明人 OISHI, KENGO;ONO, TUYOSHI
分类号 G11B23/03;G11B23/033;(IPC1-7):G11B23/03;B65D85/30 主分类号 G11B23/03
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