YOKE FOR UNIVERSAL JOINT

WIPO Patent Application WO/2008/015741

A1

A yoke for a universal joint, where deformation of a set of a fastening section and a bolt is prevented, increasing durability of the bolt. The yoke (1) for a universal joint has an insertion section (11) formed in a tubular shape with an opening in the direction of axis of a rotating shaft and into which one end of the rotating shaft is inserted, a first fastening section (13) and a second fastening section (14) as a pair of fastening sections (12) extended from the insertion section (11) so as to face each other with an opening of the insertion section (11) held in between, and a set of a bolt (16) and a nut (17) for tightening the pair of fastening sections (12) from both sides. When the pair of fastening sections (12) is fastened together, the rotation shaft inserted in the insertion section (11) is held and fixed. The bolt (16) is inserted in a through-hole (13a) of the first fastening section (13). The nut (17) is fitted in an engageable manner in a through-hole (14a) of the second fastening section (14), and that portion of the end face of the nut (17) which faces the first fastening section (13) is formed extended toward the first fastening section (13) such that a gap (S) between the extended portion and the first fastening section (13) has a predetermined width.

KAKIMOTO KAZUHIDE (JP)
INOUE SEIJYUN (JP)
KOYAMA TSUYOSHI (JP)

PCT/JP2006/315266

February 07, 2008

August 02, 2006

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KOYO MACHINE IND CO LTD (JP)
KAKIMOTO KAZUHIDE (JP)
INOUE SEIJYUN (JP)
KOYAMA TSUYOSHI (JP)

F16D3/38

JPH109277A	1998-01-13
JP2001221244A	2001-08-17

MURAKAMI, Satoshi (7th Floor 6-8 Nishitemma 2-Chome, Kita-ku, Osaka-sh, Osaka 47, JP)

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