| 摘要 |
PURPOSE:To provide a protection lid device having less number of parts, easy to be assembled and capable of attaching the protection lid from the front surface side of an opening part and changing it. CONSTITUTION:In the protection lid device provided with a protection lid 2 pressed by a spring 1 in the direction for always closing an opening part 50, shaft inserting holes 51 and 52 are provided on an inner wall surface opposed to the opening part 50 and while the protection lid is bent, shafts 31 and 32 projecting from both ends of this protection lid 2 are inserted into the shaft inserting holes 51 and 52. When the protection lid 2 is attached to the opening part 50, the incorporation of the protection lid 2 is made possible by an operation from the front surface side of the opening part 50. |
