Writing file storage box for college students
The utility model discloses a college student writing file storage box which comprises a folder, the right side of the folder is fixedly connected with a protective shell, a pushing pipe penetrates through the surface of the right side of the folder, and the surface of the pushing pipe is in sliding...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
29.11.2019
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Subjects | |
Online Access | Get full text |
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Summary: | The utility model discloses a college student writing file storage box which comprises a folder, the right side of the folder is fixedly connected with a protective shell, a pushing pipe penetrates through the surface of the right side of the folder, and the surface of the pushing pipe is in sliding connection with the inner wall of the folder. The utility model discloses a writing file storage box for college students. Rotation by threaded rod, the thread displacement principle of the threaded pipe is regulated and controlled; the gear dividing plate is driven to horizontally move; therefore,the internal storage space of the folder is adjusted according to the thickness of the stored files; meanwhile, the swinging of the swinging rod is utilized; the angle of the push adjusting rod is changed, and telescopic displacement occurs; therefore, the pushing and pressing plate is driven to move horizontally; and through the elastic acting force of the tension rubber band, the push-press plate extrudes and fixes fil |
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Bibliography: | Application Number: CN201920044519U |