| 摘要 |
A document board for punching correct holes includes a base board, a movable device disposed in a first recess in the base board, an upper cap disposed in the first recess on the movable device, two adjusting plates disposed on the upper cap, and a puncher fitted in a second recess of the base board and secured by a position unit. The adjustable plates either can be moved by corresponding action of the movable device to opposite direction to move papers to be punched and placed on the upper cap to a correct position for punching by the puncher to get correct holes for filing, without inconvenience of position papers to be punched by a puncher.
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