Constant velocity universal joint and inner member of the same

Details Constant velocity universal joint and inner member of the same Constant velocity universal joint and inner member of the same

2006-12-11

2011-11-29

Dunwoody, Aaron (Department: 3679)

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Coupling accommodates drive between members having...

Coupling transmits torque via radially spaced ball

C464S906000

Reexamination Certificate

active

08066575

ABSTRACT:
Automatic installation of a circlip is facilitated even when an axial length (inner race width) of a protrusion of an inner race is reduced. An inner race is installed in a constant velocity universal joint for transmitting torque while allowing angular displacement between itself and an outer race, with a shaft being inserted in a shaft hole formed in an inner bore to be spline-fitted thereto so as to be prevented from coming off by virtue of the circlip. A two-step chamfer having different chamfer angles is provided at a shaft insertion side end portion of the shaft hole. The two-step chamfer includes a first chamfer section situated on a shaft hole opening side and a second chamfer section provided on the side opposite to the shaft hole opening so as to be continuous with the first chamfer section. The chamfer angle α of the first chamfer section is set larger than the chamfer angle β of the second chamfer section.

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Supplementary European Search Report dated Apr. 7, 2010 in corresponding European Application No. 06834416.7.
International Search Report mailed Jan. 9, 2007 for International Application No. PCT/JP2006/324661.

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