Fixed type constant velocity universal joint

Details Fixed type constant velocity universal joint Fixed type constant velocity universal joint

2007-08-21

2007-08-21

Binda, Greg (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

10931207

ABSTRACT:
A fixed type constant velocity universal joint having an outer joint member having eight arcuate guide grooves extending in the axial direction in an inner spherical surface, an inner joint member having eight arcuate guide grooves extending in the axial direction in an outer spherical surface. Eight balls are disposed between the guide grooves of the outer joint member and guide grooves of the inner joint member. A cage is interposed between the outer and inner joint members for retaining the balls. A center of the guide grooves of the outer joint member is offset from the center of the inner spherical surface, and the center of the guide grooves of the inner joint member is offset from the center of the outer spherical surface by an equal distance to opposite sides in the axial direction. A relation of 0.45≦B/A≦0.65 is established, where A represents the wall thickness of the cage, and B represents the radial displacement of balls at a maximum joint angle.

REFERENCES:
patent: 6120382 (2000-09-01), Sone et al.
patent: 2002/0032064 (2002-03-01), Sone et al.
patent: 2003/0017877 (2003-01-01), Kobayashi et al.
patent: 2003/0054893 (2003-03-01), Thomas

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