Cutters – for shaping – Gear cutting tool – Hob
Patent
1999-04-15
2000-03-28
Tsai, Henry W. H.
Cutters, for shaping
Gear cutting tool
Hob
407 29, 407 42, 407 53, 407 56, 409 74, 408222, B23C 300, B23G 520
Patent
active
060423080
ABSTRACT:
A thread milling cutter including a shank and a milling region adjoining the shank at a front end of the shank and including at least two rows of teeth and extending parallel to each other, with the teeth of both rows having the same height and forming each two flanks, with the respective teeth of both rows being associated with respective circumferential planes, and with one flank of a respective tooth of one of the rows being shifted, viewed in a circumferential direction, in an axial direction, forward with respect to one flank of a respective tooth of another of the rows, or another flank of the respective tooth of the another of the rows being shifted viewed in a circumferential direction, in the axial direction, backward with respect to another flank of the respective tooth of the one of the rows, the one flank forming a front offset and another flank forming a rear offset, with front and rear offsets alternating with each other.
REFERENCES:
patent: 1441015 (1923-01-01), Marye
patent: 1567733 (1925-12-01), Hanson
patent: 4717177 (1979-10-01), Barnsdale
patent: 5678962 (1997-10-01), Hyatt et al.
patent: 5733078 (1998-03-01), Matsushita et al.
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