| 摘要 |
PROBLEM TO BE SOLVED: To reduce the number of parts in an opening/closing locking structure by integratedly forming an arm portion projecting from a side surface of a projecting portion in the opening/closing locking structure with an elastic hollow body of a movable portion. SOLUTION: An elastic body 101 of a shape in which a rectangular flat sheet is folded in multiple layers is stored in a hollow space 7 at a tip of an arm portion 13, and abutted on a bulkhead 14. One end of the elastic body 101 is machined to the shape withstandable against a large urging force. The elastic body 101 may of a spiral structure. A separate parts necessary for the opening/closing locking structure of a compact portable electronic unit is only a knob portion except movable portions and base portions. Thus, the labor in the assembly work and the cost can be reduced. |
