Duplication attachment for wood turning lathes

Details Duplication attachment for wood turning lathes Duplication attachment for wood turning lathes

1990-02-05

1992-08-18

Terrell, William E.

Wood turning

Circular section

Cutter

142 7, 82 111, B23B 328

Patent

active

051390604

ABSTRACT:
A duplicator attachment for a wood turning lathe which provides the same freedom and control of the cutting action as in normal freehand turning operations, and enables duplication of all contours including inside contours and bowls. The duplicator attachment also enables the pattern to be supported on the same vertical center as the workpiece and above the workpiece rather than below or to the side of the workpiece, thereby permitting the full swing of the lathe to be utilized. The duplicator attachment provides an articulated support arm to bring the cutting tool and tracer, respectively, against the workpiece and pattern to be duplicated. The support arm has three sections which rotate conjointly to provide for movement of the cutting tool and tracer longitudinally along the center line of the lathe, laterally perpendicular to the center line of the lathe, and rotationally about axes mutually perpendicular to the directions of the lateral and longitudinal movements. A handle, attached to the support arm member to which the cutting tool and tracer is attached, permits manipulation, by an operator, of the cutting tool and tracer simulating freehand cutting action.

REFERENCES:
patent: 2036241 (1936-04-01), Taylor
patent: 4002193 (1977-01-01), Schmidt
patent: 4588005 (1986-05-01), Sliker
patent: 4627477 (1986-12-01), Wise
patent: 4899793 (1990-02-01), Snyder et al.

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