Importance

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Abstract

A material-working and tool control system for use with a workbench includes a system platform in rotatable, co-planar communication with the workbench. Further included is a tool-carrying platform. Also provided are first and second protractor assemblies, each having first and second legs which are adjustably hinged to each other. An opposite end of the first leg is in pivotal communication with the workbench surface through an axis-of-rotation normal to the workbench, and an opposite end of the second leg of the first protractor assembly is in pivotal communication with the tool-carrying platform through an axis-of-rotation also normal to the workbench. A plane is defined by the hinged relationship between the legs of the first protractor assembly which plane is normal to a plane defined by the hinged relationship between the legs of the second protractor assembly. An opposite end of the first leg of the second protractor assembly is in rotational communication with a surface of the rotatable platform through an axis-of-rotation co-parallel to the workbench surface, and the opposite end of the second leg of the second protractor assembly is in rotational communication with the tool-carrying platform through an axis rotation co-parallel with the workbench surface. Resultingly, the position of the tool-carrying platform is defined by the intersection of elliptical segments of rotation (within said normal planes) formed by the opposite ends of the second legs of each of the first and second protractor assemblies.

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First Claim