Internal broach

Details Internal broach Internal broach

2005-07-19

2005-07-19

Fridie, Jr., Willmon (Department: 3722)

Cutters, for shaping

Rectilinear broach

Plural tooth groups

C407S013000

Reexamination Certificate

active

06918716

ABSTRACT:
An internal broach for internally broaching profiles, defined by a bottom and flanks, of female serrations of a work piece, comprises a toothed portion with several rows of broach cutting teeth disposed successively counter to a direction of broaching, successive broach cutting teeth being allocated to each other for broaching a profile. The broach cutting teeth have bottom cutting blades and first and second sides. The first sides are guide flanks, the edges of which are guide edges without cutting ability. The second sides are flank-cutting-blade relief surfaces, the edges of which are designed as flank blades with cutting ability.

REFERENCES:
patent: 1713390 (1929-05-01), Lundell
patent: 2683919 (1954-07-01), Psenka
patent: 2898670 (1959-08-01), Pernack
patent: 5503506 (1996-04-01), Yuan
patent: 5865569 (1999-02-01), Holstein et al.
patent: 6409442 (2002-06-01), Berktold et al.
patent: 9 234627 (1997-09-01), None

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