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US 7,841,811 B2Granted
Indexable cutting tool
AssigneeKennametal Inc.
InventorsRene Thiele, Harvey L. Patterson
Life of this patent
Estimating the term…
Abstract
A cutting tool is in the form of a holder and a cutting insert that is quickly and easily indexable in one of a plurality of precision cutting positions within the holder. The holder has a bore therein and a stop in the bore. The cutting insert has a shank portion that is insertable into the bore. The cutting insert, when inserted into bore, mates with the stop to locate the cutting insert in one of a plurality of positions. Alternatively, the stop can be supported by the cutting insert and mate with the holder.
Claims11
In combination:
- a holder having a longitudinally extending bore therein and a stop supported therein;
- and
- a cutting insert having a longitudinal axis and a shank portion, the shank portion being insertable into the bore and terminating at a rear face oriented generally perpendicular to the longitudinal axis, the rear face having a plurality of locating grooves that intersect the longitudinal axis of the cutting insert, wherein the cutting insert, when inserted into the bore, mates with the stop by way of one of the grooves to form a positive stop in one of a plurality of positions.
In combination:
- a holder having a bore therein and a stop fixed with respect to the holder;
- and
- a cutting insert having a shank portion disposed about a longitudinal axis that is insertable into the bore, the shank portion terminating at a rear face oriented generally perpendicular to the longitudinal axis and having one or more depressions therein, wherein the cutting insert, when inserted into the bore, mates with the stop by way of the one or more depressions to form a positive stop in one of a plurality of positions.
In combination:
- a holder having a bore therein and a depression in the bore;
- and
- a cutting insert having a shank portion disposed about a longitudinal axis that is insertable into the bore, the shank portion terminating at a rear face oriented generally perpendicular to the longitudinal axis and having one or more protrusions extending therefrom, wherein the cutting insert, when inserted into the bore, mates with the one or more depressions in the bore by way of the stop to form a positive stop in one of a plurality of positions.
Dependencies are inferred from the claim text.