| 摘要 |
<p>A jig having a guide block and a repositionable clamp for use with a saw f or hand cutting tails and pins on the ends of boards to form a dovetail joint. The guide block has four planar sides that are joined to form a substantially square tube, the ends of which define guide faces that form an oblique angle with any plane orthogonal to the planar side of the guide block. A pair of magnets within t he body of the guide block, each covered by a low friction pad firmly engage the saw and keep it in contact with the guide faces throughout the cutting operation. Th e guide block also has two orthogonal wing surfaces for positioning the guide block against a face of a board to orient the guide faces either: (a) square to the end of the board and at an angle to its faces, or (b) square to its faces and at an angle to the end of the board. The repositionable clamp is secured to the guide block for clampi ng it to the board in either of the two alternative positions.</p> |
