Cutting insert and cutting tool using the same

Details Cutting insert and cutting tool using the same Cutting insert and cutting tool using the same

1997-08-21

1999-05-18

Pitts, Andrea L.

Cutters, for shaping

Rotary cutting tool

Having peripherally spaced teeth

407 40, 407 42, 407 47, 407 51, 407 53, 407 61, 407113, 408224, B26D1/12

Patent

active

059044497

ABSTRACT:
A cutting tool including a toolholder for releasably receiving a plurality of quadrilateral cutting inserts in which adjacent cutting inserts are partially nested for their greater compaction and whereby their operative cutting edges overlap so as to present an effectively continuous cutting edge. The cutting inserts each having upper and lower surfaces, a side surface associated with a cutting edge and a pair of opposite side surfaces directed transversely thereto, the insert having an upper and base insert edges defined by the respective intersections of the upper and lower surfaces and a first of the opposite side surfaces, at least one of the surfaces associated with the insert base edge having a recessed portion of varying depth relative to the upper insert edge along imaginary lines parallel to the major cutting edge in a bottom view of the cutting insert, the depth being maximal remote from the major cutting edge.

REFERENCES:
patent: 2549251 (1951-04-01), Skelton
patent: 4182587 (1980-01-01), Striegl
patent: 4789273 (1988-12-01), Wiacek et al.
patent: 4790693 (1988-12-01), Koblesky
patent: 5083887 (1992-01-01), Dotany
patent: 5147158 (1992-09-01), Riviere
patent: 5425603 (1995-06-01), Dutschke
patent: 5542793 (1996-08-01), Deiss et al.
patent: 5622460 (1997-04-01), Satran et al.

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