| 摘要 |
PURPOSE:To make cylindrical documents be taken out easily, and prevent the inside of the document case from being seen by a third party without permission. CONSTITUTION:The document case consists of a cylindrical document case main body with a rectangular cross section, which has a cylindrical fitting neck part protruding ahead, and a cylindrical lid part 12 with a rectangular cross section, which has a cylindrical fitting part to be fitted on the fitting neck part, and a plurality of protruding pieces 14 are integrally formed in the longitudinal direction on respective inner surfaces of the cylindrical document case main body. At the same time, a dial lock mechanism is provided on the cylindrical fitting part 11 for the document case. |
