Turning – Lathe – Vertical
Reexamination Certificate
2005-07-12
2005-07-12
Fridie, Jr., Willmon (Department: 3722)
Turning
Lathe
Vertical
C082S115000
Reexamination Certificate
active
06915725
ABSTRACT:
Described is a device that is useful for allowing an engraver, or the like, to have their workpiece rotated without the need to lift their tools from the work piece, and to eliminate hesitation or stopping in the course of engraving circles, spirals, curves, or convoluted shapes. The device is a workstation, such as used by engravers, welders and the like, that comprises a workbench upon which a turntable is mounted. The preferable turntable is mounted to the top of a rotatable post, which projects through the workbench by means of an extension piece. The post is in turn attached to the underside of the workbench and also to the floor (or base plate or other suitably rigid structure such as the workbench or stand) using flanged bearings. Attached to a portion of the post near the floor is a foot operated plate. The operated plate is located in a position such that it is conveniently accessible by a foot of the engraver.
REFERENCES:
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patent: 4934422 (1990-06-01), Hempy et al.
patent: 4991356 (1991-02-01), Ono
patent: 5127639 (1992-07-01), Tucker et al.
patent: 5544997 (1996-08-01), Raynor
patent: 6352496 (2002-03-01), Oldani
patent: 6453918 (2002-09-01), Cardemon
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