| 摘要 |
A device is disclosed which is designed to be mounted on a plunge router in such a manner that the turning of a crank may be used to adjust the elevation of the router with respect to the associated table. The device includes support columns designed to slidably mount through openings in the router handles and a crank mechanism within one of the support columns and which may be rotated to adjust the elevation of the router. In addition, a transparent insert may surround the router drive shaft beneath the router bit.
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