Class 451/475 - By conoid member with screw threads

Subclass of Class 451 - Abrading
Definition: Carrier wherein a helical screw means is fastened to or
No. of patents: 3
Last issue date: 04/15/1980

Number	Title	Issue Date
4197680	Precision honing mandrel A precision honing mandrel including a tubular honing member having a helical, straight or other shaped groove therethrough, a substantially cylindrical outer surface, a tapered inner surface, and a layer of a relatively hard wear resistant abrasive subst...	04/15/1980
4173852	Expandable tool including cutting section and pilot A rotatable cutting tool (10) of the disclosure includes an expandable cutting section (40) and a leading end having an expandable pilot (16) for properly aligning the tool during use. The trailing end of the tool preferably also has an expandable pilot (...	11/13/1979
4075794	Honing tool A honing tool having a mandrel with longitudinal grooves each of which has an inclined bottom slidably engaged by a correspondingly wedge-shaped honing stone. The honing stones partially project through windows in a sleeve and by these windows are held st...	02/28/1978

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