Title:
VEHICULAR RACK-AND-PINION MECHANISM
Document Type and Number:
Japanese Patent JP2018008687
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a vehicular rack-and-pinion mechanism that can inhibit an increase in a diameter of a rack itself and can increase allowable surface pressure of a rack tooth while inhibiting an increase in a weight.SOLUTION: A vehicular rack-and-pinion mechanism 1 includes: a pinion 11 supported so as to be rotatable about a shaft while including a gear tooth 12; and a rack shaft 21 including a rack tooth 22 capable of engaging with the gear tooth 12, the vehicular rack-and-pinion mechanism being applicable to a steering device S. A coating film 31 laminated with a plurality of coating each having different hardness is formed at a surface of the rack tooth 22.SELECTED DRAWING: Figure 3
Inventors:
SATO MASATO
Application Number:
JP2017129985A
Publication Date:
January 18, 2018
Filing Date:
June 30, 2017
Export Citation:
Assignee:
HONDA MOTOR CO LTD
International Classes:
B62D3/12; F16H19/04; F16H55/06; F16H55/26
Domestic Patent References:
| JP2008143248A | 2008-06-26 | |||
| JP2007092112A | 2007-04-12 | |||
| JP2003145337A | 2003-05-20 | |||
| JP2016060921A | 2016-04-25 |
Attorney, Agent or Firm:
Isono International Patent and Trademark Office