| 摘要 |
A motor operated circular miter chop saw is pivotally mounted on a generally horizontal axle pivot bolt about which it rotates in a vertical plane with the axle pivot bolt being carried by a cast support base structure. Angular orientation of the work piece is provided by an angularly adjustable fence rotatably carried by the cast base support structure with the fence having a generally downwardly open circularly arcuate groove cooperating with a pair of machined steel pins pressed into the cast base support structure. The cast base support structure is also provided with an arcuate slot to provide clearance for the circular saw blade and leaf spring means are provided carried by the cast support base bias the fence rearwardly so that the pins engage against the inward wall of the fence groove.
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