Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1992-10-09
1994-03-29
Kisliuk, Bruce M.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51125, 51216LP, 51216A, B24B 722, B24B 906, B24B 916
Patent
active
052973620
ABSTRACT:
A faceting device for holding precious stones during cutting and polishing the facets. It comprises a two-part indexed quill member having a mounting at one end for mounting and locking the stone position relative to a horizontally rotating abrasive lap wheel and a cylindrically configured tailstock element at the other end. The tailstock is tightly and diametrically received in a backplate containing trigonometrically positioned multiple rows of grooves which obtain a multiplicity of different angular settings. The upper and lower portions of the quill attach by a male rod in the lower quill which is slidably received in an elongated opening in the upper portion where a hand set screw extending radially into the upper quill portion can be turned against the male rod to secure the lower quill in angularly rotated adjusted position. The backplate attaches to a vertical mast and is locked at desired heights by a hand set screw threaded radially through a backplate collar and turned against the mast.
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Bounkong Bo
Kisliuk Bruce M.
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