| 摘要 |
A novel precise, multiple indexing jig used in conjunction with power tools, especially a power saw, is disclosed. The jig includes a longitudinal indexing rod that precisely locates and supports by pivotal articulation, a plurality of swing arms. The swing arms can be rotated onto the table and used as stops to assist in positioning a work piece on the device that is to be worked at a specific location, such as the cut length for a saw. When they would be in the way of a work piece, they can be rotated away from the table. The indexing rod is positioned parallel to a guide fence that also locates the work piece. A series of location supports are also located on the indexing rod and further support the swing arms. An alternative embodiment enables the guide fence to also index with the swing arms, thereby increasing the structural stability of the swing arms when they are positioned as stops.
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