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US 4,904,129 AGranted
Annular milling cutter for machining bevel gear
AssigneeNissan Motor Co., Ltd.
InventorsMasaki Sugimoto, Akira Nakayama, Isao Nakagawa, Noboru Maruyama, Kunihiko Morikawa, Hideji Yoshioka
Life of this patent
Estimating the term…
Abstract
An annular milling cutter for machining bevel gears is disclosed, which has a set of cutter blades including an inner blade and an outer one. A blade point width and a radius of curvature of a corner of a head of the outer blade are larger than the counterparts of the inner blade.
Claims1
An annular milling cutter for machnining a bevel gear, comprising:
- body and an inner cutter body disposed in said outer cutter body and rotatable relative to said outer cutter body;
- and
- at least one set of blades, each set including an inner blade and an outer blade disposed in an overlapping manner, one of said inner and outer blades having a blade point width larger than a blade point width of the other blade, and having a corner of a head thereof rounded with a curvature having a radius longer than a radius of a curvature which a corner of a head of the other blade is rounded with.
Dependencies are inferred from the claim text.