| 摘要 |
<p>A cutting apparatus of a type where two juxtaposed blades are caused to move through sequential approximately elliptical paths and having teeth at respective outer edges of the two juxtaposed blades the relatively moving teeth on the edge of the respective blades being adapted to be urged against a surface to b cut, and at least one anchoring locator which is positioned beyond a periphery of the respective blades and thereby adapted to engage with a work piece while it is being cut and provide thereby a potential anchoring position for a work piece.</p> |
