| 摘要 |
PURPOSE:To set a cartridge insertion hole so that it will not open by a protector easily and with the operation without preparation by opening the protector only when different operations are executed in sequence. CONSTITUTION:When a cartridge 3 is abutted by a protruded piece 12 of a protector 7, and the protector 7 is shifted in the left direction against a spring 10, the engagement of the protector 7 by the inner wall of the slot 4 is released by a notch 13. When the cartridge 3 is inserted to a connector 21 of the slot 4 by succeeding this condition, the protector 7 turns, it opens, and the cartridge 3 is mounted on the computer main body. By the constitution which makes the protector open only when different operations are executed in sequence, the cartridge insertion hole is set so that it will not open by the protector easily and with the operation without preparation. |
