SHAFT CONNECTION STRUCTURE AND SHAFT CONNECTION METHOD

WIPO Patent Application WO/2011/155601

A1

A shaft connection device facilitates the engagement between male and female spline shafts and prevents the runout of the shafts after the engagement. A shaft connection device for connecting a pair of rotating shafts by engaging a pair of male and female spline shafts (7, 11). The shaft connection device is provided with: a shaft connection assistance device (21) for aligning the axes of the pair of spline shafts with each other prior to the engagement between the pair of spline shafts; and a shaft runout prevention mechanism for preventing the runout of the spline shafts after the engagement between the pair of spline shafts. The shaft connection assistance device (21) comprises: a centering ring (22) which is disposed outside one spline shaft (7) of the pair of spline shafts (7, 11) so as to be coaxial therewith; and centering pins (23) which are disposed outside the other spline shaft (11) so as to be located on the same circle, which is centered on the other spline shaft (11), with predetermined angular intervals provided therebetween and which engage with the outer peripheral surface of the centering ring (22) to align the axes of the pair of spline shafts (7, 11) with each other.

SAKAI HIROYUKI
YOSHIDA KAZUTOSHI
MAEZATO NORIHIRO

PCT/JP2011/063373

December 15, 2011

June 10, 2011

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MEIDENSHA ELECTRIC MFG CO LTD (JP)
SAKAI HIROYUKI
YOSHIDA KAZUTOSHI
MAEZATO NORIHIRO

G01M15/02; F16D11/10

JPH0210432Y2	1990-03-15
JP2000257647A	2000-09-19
JP2006300116A	2006-11-02
JP2009204002A	2009-09-10
JP2003294583A	2003-10-15
JPH07310751A	1995-11-28

KOBAYASHI, Hiromichi et al. (JP)
Hiromichi Kobayashi (JP)

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