Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
精密歯車、その歯車機構及び精密歯車の製造方法
Document Type and Number:
Japanese Patent JP4801800
Kind Code:
B2
Abstract:
A metal-made high-precision gear and a gear mechanism are disclosed. The precision gear is made of a novel material which does not exist in conventional materials for precision gears, including resins and tool steels, has high hardness, strength and excellent surface smoothness, and is superior in workability. In the precision gear which is formed of an amorphous metal alloy having a ternary, quaternary or higher composition containing iron group elements, such as Fe, Co, Ni, and Cu, Ti, Zr, Hf, as the principal elements, the precision gear whose module is 0.2 or less is made of the amorphous metal alloy having a disordered structure which does not have a fixed regularity and whose XRD pattern is a halo pattern, namely exhibits a broad peak.

More Like This:
Inventors:
Akihisa Inoue
Yukiharu Shimizu
Kazuhiko Kita
Taichi Watanabe
Ishida
Hideki Takeda
Yasunori Saotome
Application Number:
JP2005513708A
Publication Date:
October 26, 2011
Filing Date:
September 01, 2004
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Namiki Precision Jewel Co., Ltd.
Akihisa Inoue
Yasunori Saotome
International Classes:
F16H55/06; B22D17/00
Domestic Patent References:
JP2000345309A2000-12-12
JP2000129378A2000-05-09
JP2000160308A2000-06-13
JPH0874010A1996-03-19
JPH07122120B21995-12-25
JPH1171602A1999-03-16
JPH102385A1998-01-06
Attorney, Agent or Firm:
Hironobu Isoyama