| 摘要 |
The saw comprises a cased motor driving a circular saw blade that is pivotally mounted to a baseplate to vary the cutting extension below the baseplate. A channel-shaped part that is of smaller cross-section than an open slot in the baseplate is used for guiding the baseplate during a cutting operation over a worktable by abutment against or location over an upstanding guide located on the worktable. The channel-shaped part is medially pivoted to the baseplate and its angle thereto is adjusted by way of a cam so as to vary the angle of the baseplate, and hence of the saw blade, relative to the direction of travel, thereby to permit the production of a width of cut greater than the width of the saw blade.
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