Class 408/194 - Including inverse cutting edge

Subclass of Class 408 - Cutting by use of rotating axially moving tool
Definition: Device wherein one of the cutting edges of the tool diverges
No. of patents: 4
Last issue date: 09/08/1998

Number	Title	Issue Date
5803679	Deburring tool for deburring the edges of boreholes A deburring tool for deburring the edges of boreholes. The tool has a base body in which at least one recess aligned across the longitudinal axis of the base body is provided, where at least one blade is arranged in said recess so it can be displaced unde...	09/08/1998
5503509	Cutting insert and drilling tool for drilling in solid materials A drill having at least one and generally at least two cutting inserts fixed in a cutting end of the drill and in which each cutting insert is a polygonal body having at least three cutting vertices and respective cutting edges between the vertices which ...	04/02/1996
4889455	Drill A drill for stack drilling comprises a drill body, a central cutting insert, and a peripheral cutting insert. The inserts have active cutting edges arranged such that the drill successively cuts radially outwardly from the center of the drill in order to ...	12/26/1989
4869625	Combination drilling and skiving tool A combination drilling and skiving tool including a longitudinally extending hollow skiving sleeve slidably and concentrically mounted on a right-handed twist drill. Dogs or pawls provided on the internal periphery of the skiving sleeve engage with the he...	09/26/1989

PatentStorm