Engraving tool depth control nosepiece for enhancing line...

Details Engraving tool depth control nosepiece for enhancing line... Engraving tool depth control nosepiece for enhancing line...

2006-08-22

2006-08-22

Fulton, Christopher W. (Department: 2859)

Geometrical instruments

Scriber

Reexamination Certificate

active

07093368

ABSTRACT:
Engraving tool bit depth controlling nosepiece adjustment devices establish a precise protrusion distance that an engraving tool bit protrudes from the end of the nosepiece of a spring loaded engraving tool, that is in turn inserted within and driven by a standard machine tool such as a cnc type milling machine. One rotational adjustment device establishes the axial position of the nosepiece with respect to a collet nut of the engraving tool and another adjustment device employs annular ring spacers in the form of washers between the nosepiece and collet nut to precisely establish the desired engraving tool bit protrusion distance from the end of the nosepiece. This modification of a spring loaded engraving tool beneficially prevents the engraving tool bit from being able to plunge too deeply into the workpiece, particularly at the start of each engraved line, to thus ensure that all the lines will be consistent.

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patent: 6460258 (2002-10-01), Shimotoyodome
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Gravograph Catalog two Pages p. 17-18; Chapter 4; Table Adjustments; http://www.gravograph.com; Gravograph Inc, Duluth, GA USA Apr. 19, 2005.
“High Speed Engraving”; KaVo GmbH, Leutkirch, Germany; http://kavo-drives.com; 4 pages.

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