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Title:
CONSTANT VELOCITY UNIVERSAL JOINT
Document Type and Number:
WIPO Patent Application WO/2013/137128
Kind Code:
A1
Abstract:
Provided is a constant velocity universal join that exhibits excellent durability at high temperatures while employing a silicone rubber boot that contains no rare earth element-containing compounds such as cerium oxide. The constant velocity universal joint comprises: an outer joint member (2); an inner joint member (4); a shaft (8) that is connected to the inner joint member (4); and a boot (9) that is mounted to the outer joint member (2) and the shaft (8) either directly or via a separate member. The boot (9) contains silicone rubber, iron oxide, and titanium oxide, and is a molded body of a silicone rubber composition that contains no rare earth element-containing compounds. If necessary, the silicone rubber composition additionally contains barium zirconate.

Inventors:
UENO, Tsuyoshi (1578 Higashi-kaizuka, Iwata-sh, Shizuoka 10, 〒4388510, JP)
MIYATA, Masahide (1578 Higashi-kaizuka, Iwata-sh, Shizuoka 10, 〒4388510, JP)
TAKABE, Shinichi (1578 Higashi-kaizuka, Iwata-sh, Shizuoka 10, 〒4388510, JP)
KOHARA, Mika (1578 Higashi-kaizuka, Iwata-sh, Shizuoka 10, 〒4388510, JP)
Application Number:
JP2013/056415
Publication Date:
September 19, 2013
Filing Date:
March 08, 2013
Export Citation:
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Assignee:
NTN CORPORATION (3-17, Kyomachibori 1-chome Nishi-ku, Osaka-sh, Osaka 03, 〒5500003, JP)
International Classes:
F16D3/84; F16J3/04; F16J15/52
Foreign References:
JPH0552360U1993-07-13
JP2572621Y21998-05-25
JPS522439A1977-01-10
JPH10158518A1998-06-16
JP2010078149A2010-04-08
JP2009019129A2009-01-29
JP2007321923A2007-12-13
JP2001348481A2001-12-18
Attorney, Agent or Firm:
WAKI, Misao et al. (2-6 Shiroyama 1-chome, Toin-cho Inabe-gu, Mie 33, 〒5110233, JP)
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