| 摘要 |
Embodiments of the invention include a power miter saw comprises a power miter saw having a saw base, a fence for positioning a work piece, a table rotatably connected to the saw base, a miter arm assembly for angularly positioning the table relative to the saw base, a saw blade and motor assembly operatively connected to the table, a linear guide mechanism attached to the table and being configured to support the saw blade and motor assembly and enable movement of the assembly along a predetermined linear path in either a forward or a rearward direction, the mechanism having a pivot block with a first pivot axis generally perpendicular to the plane of the saw blade about which the saw blade and motor assembly is pivotable to move a saw blade vertically into and out of cutting position, the mechanism having a multiple link hinge pivotally interconnecting the pivot block and the table with pivot axes that are parallel to one another and with the first pivot axis, the mechanism having a gear set operatively connected to the multiple link hinge which maintains the pivot block at a generally constant elevation during movement in the forward and rearward directions.
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