| 摘要 |
PURPOSE: A length adjustable tool is provided to control the length adjustment scale of a knife or a hair-clipper. CONSTITUTION: A length adjustable tool comprises followings. A first part(1) is pushed and then, a fifth part(5) pushes a second part(2). The second part is inserted into a groove of a sixth part(6) and moves forward and backward. A fourth part(4) engages with a third part and the fifth part. The second part adjusts the length. |
