| 摘要 |
A gimbal-like device having an arbor for holding a circular saw blade mounted on an angled arm which is attached to a carrier plate which is pivotable about one axis and rotatable about another axis with the carrier mounted on a turntable for swinging the fixture about a third axis whereby the saw blade can be located at various angular positions for grinding or sharpening the teeth of the blade by a planar grinder such as a surface on a vertical grinding or sharpening wheel.
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