The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 15, 2009
Filed:
Nov. 29, 2004
Applicants:
Takayasu Yamazaki, Kyoto, JP;
Shirou Nakano, Osaka, JP;
Hironori Yamato, Nara, JP;
Youjirou Kakoki, Nara, JP;
Inventors:
Takayasu Yamazaki, Kyoto, JP;
Shirou Nakano, Osaka, JP;
Hironori Yamato, Nara, JP;
Youjirou Kakoki, Nara, JP;
Assignee:
JTEKT Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D 53/28 (2006.01); B62D 5/06 (2006.01); F16H 35/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A rack and pinion steering apparatus which does not need quenching of the rack shaft after gear cutting of the rack shaft in manufacturing processes is provided. The rack and pinion steering apparatus comprises a pinion shaft and a rack shaft meshing with the pinion shaft. The rack shaft is formed to have a substantially uniform hardness.