| 摘要 |
A case unit C1 includes a case 1 which includes a front surface 11 formed with a take-out opening 19 for taking out an article stored in the case, a cover 2 including a sealing portion 21 for closing the take-out opening 19, and guiding means 30, 31 for enabling the cover 2 to slide relative to the case 1 so that the sealing portion 21 moves reciprocally along the front surface 11. When the sealing portion 21 is positioned in front of the take-out opening 19, the guiding means 30, 31 displaces the sealing portion 21 toward the front surface 11 so that the sealing portion 21 is pressed against the periphery of the take-out opening 19. With this arrangement, the opening and closing of the take-out opening 19 is performed smoothly and easily, and the take-out opening 19 is properly closed even when the sealing portion 21 is worn out. Further, the case unit C1 is suitable for reduction in size and weight.
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