| 摘要 |
PURPOSE: A hook and a hook hole structure are provided to insert easily a hook and prevent the hook from moving. CONSTITUTION: A hook comprises a base(410a) extended from the object to be fixed and a protrusion part(410b) protruded from one side of the base with a semicircle shape. A hook hole(21) includes a part where is face to the protrusion part and has a semicircle shape. The width of crossing section of the hook hole is narrower than that of the hook. The protrusion part is formed with a triangle shape.
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