| 摘要 |
PURPOSE: An adjusting device for string length is provided to reduce manufacturing costs by simplifying the manufacturing process as attaching the adjusting devices for string length to bags. CONSTITUTION: An adjusting device for string length comprises a triangle column, an extra place(2), a haggard part, and pins(4). The triangle column is right angle isosceles of the triangles. In the extra place, a bag string is attached. The extra place maintains the frame as the difference between lengths of width and length does not go over 5cm. The length can be adjusted according to the attachment and detachment of the pin. |
