| 摘要 |
<p>Embodiments of the invention include a power miter saw comprises a power miter saw having a saw base (12), a fence (14) for positioning a work piece, a table (16) rotatably connected to the saw base, a miter arm assembly (18) for angularly positioning the table relative to the saw base, a saw blade and motor assembly (20) operatively connected to the table, a linear guide mechanism (202) 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 (220,224,226) 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.</p> |
