| 摘要 |
PROBLEM TO BE SOLVED: To provide a lid fastener for a school bag which can be attached/ detached by one simple motion. SOLUTION: A fastening plate body which is fixed to a lid body is formed into a shape wherein a window hole for fastening is provided on the plate body. Also, a fastener body which is fixed to a school bag body is constituted in such a manner that in a case body wherein an insertion window hole in which the fastening plate body is inserted is provided, a fastening claw plate body is housed. For the fastening claw plate body, when a fastening protrusion section is urged in the projecting direction by a spring, and the fastening plate body is inserted in the case body, the fastening protrusion section is pushed back resisting to the urging force of the spring, and when the fastening plate body is inserted to a specified location, the fastening protrusion section is engaged with the window hole for fastening. In addition, in the case body, the spring which pushes back the inserted fastening plate body, and a push button which engages/disengages the fastening claw plate body in the window hole for fastening by pushing the fastening claw plate body with a finger tip from the outside of the case body, are provided. |
