Title:
WORM REDUCER AND ELECTRIC POWER STEERING DEVICE
Document Type and Number:
Japanese Patent JP2013108609
Kind Code:
A
Abstract:
To provide a worm reducer that can reduce tooth-hitting noise, can reduce vibration, and can be improved in durability.
In the worm reducer 30, a worm 32 is engaged with a worm wheel 31. The worm 32 is formed by aluminum die casting, and at least gear tooth of the worm is subjected to hard alumite treatment.
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Inventors:
UCHIDA HIROYUKI
OKITA SHIGERU
OKITA SHIGERU
Application Number:
JP2011256372A
Publication Date:
June 06, 2013
Filing Date:
November 24, 2011
Export Citation:
Assignee:
NSK LTD
International Classes:
F16H55/06; B62D5/04; F16H1/16
Domestic Patent References:
| JP2008238380A | 2008-10-09 | |||
| JPH10169670A | 1998-06-23 | |||
| JPS52141382A | 1977-11-25 |
Attorney, Agent or Firm:
Yoshiaki Naito