| 摘要 |
The invention concerns a clamping device for use by individuals when cutting sheet material, such as planks or boards. The device comprises an upper clamping surface (1), a lower clamping surface (2) and a projection (3) extending downwardly from the upper clamping surface (1) into an aperture (4 ) of the lower clamping surface (2). In use, the clamping device is slipped on to an end face of sheet material after an initial cut has been made. The user c an then proceed to extend the saw cut using a hand saw, jigsaw etc., safe in th e knowledge that the clamping device will prevent excessive vibration of the c ut ends of the material and that the projection (3) will maintain the gap (know n as the kerf) between the cut open.
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