Drill plate with a clamping attachment in a base body

Details Drill plate with a clamping attachment in a base body Drill plate with a clamping attachment in a base body

2007-12-20

2010-06-22

Gates, Eric A (Department: 3726)

Cutting by use of rotating axially moving tool

Tool or tool with support

Having peripherally spaced cutting edges

C408S713000, C407S048000

Reexamination Certificate

active

07740427

ABSTRACT:
A drilling tool cuffing insert adapted to be clamped in a rotatably driven drilling tool base body, the base body having a mounting groove formed in an end thereof defined by a pair of clamping jaws, each of the jaws having a bore therethrough, one of the bores being threaded, the bores for receiving a mounting screw for clamping said cuffing insert in the mounting groove, each of the jaws having a centering face, the cuffing insert comprising a plate-shaped cuffing element having a first end, a second opposite end, and a bore therethrough for receiving the mounting screw, the first end of the cuffing element having a pair of mutually opposing cuffing edges, the element having a chip face extending from each cuffing edge to the second end of the element, each of the chip faces having a centering fin with a centering face thereon, the cuffing element centering faces adapted to engage with the centering faces on the jaws of the base body to center the cuffing insert in the base body.

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