| 摘要 |
PROBLEM TO BE SOLVED: To provide a locking device capable of safely closing a box door easily at a single touch of a button and also safely opening the door with the use of an exclusive tool. SOLUTION: A locking device 5 comprises a machine screw receiving portion 10 attached to a main box 2 and a machine screw 20 attached to a door 3. A main body 11 an a leaf spring member 15 to be attached to the main body 11 are attached to the machine screw attaching portion, and the spring member 15 is arranged along the lead angle of a thread portion 2 of the machine screw 20 in the main body 11. A linking portion interlocked with a threaded portion 22 and a plurality of notched holes connected to the linking portion are formed in the spring member 15. When the machine screw 20 is inserted, the engagement portion is push-pressed, and when loosening the machine screw 20, the threaded portion 22 is moved, while the machine screw 22 is rotated by the engagement portion. |
