Cutting tool bit

Details Cutting tool bit Cutting tool bit

1979-03-02

1981-09-08

Vlachos, Leonidas

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

With integral chip breaker, guide or deflector

B26D 100

Patent

active

042881790

ABSTRACT:
A cutting tool bit has a central mounting hole, a planar bottom face and an opposite top face having a central zone situated at a lower level than the marginal zones thereof; chip breaking elements formed on the top face; and lateral faces each defining a cutting edge with the top face. Each cutting edge has linear length portions sloping from opposite ends of the cutting edge in the direction of its middle towards the bottom face. There is further provided an elevation situated in the central zone of the top face and a plurality of surfaces each situated between a respective cutting edge and the elevation. The chip breaking elements are formed by the surfaces and the elevation.

REFERENCES:
patent: 3395434 (1968-08-01), Wirfelt
patent: 3399442 (1968-09-01), Jones et al.
patent: 3882580 (1975-05-01), Lundgren

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