Constant velocity universal joint

Details Constant velocity universal joint Constant velocity universal joint

2007-05-15

2007-05-15

Binda, Greg (Department: 3679)

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

Coupling accommodates drive between members having...

Tripod coupling

C464S905000

Reexamination Certificate

active

10902264

ABSTRACT:
A constant velocity universal joint includes an outer joint member has three track grooves extending axially in an inner circumference portion thereof with a roller guide surface extending axially on each side of the respective track grooves; a tripod member has three trunnions protruding in the radial direction; and a roller mechanism is mounted in each of the trunnions of the tripod member. The roller mechanism is capable of swinging and oscillating freely with respect to the trunnions, and has a roller guided along the roller guide surface in the direction parallel to the axis line of the outer joint member. An outer peripheral surface of the roller, which is made by ground-finishing, is in contact with the roller guide surface, and has a surface roughness of 0.35 Ra or less.

REFERENCES:
patent: 5129860 (1992-07-01), Asahara et al.
patent: 6478682 (2002-11-01), Kura et al.
patent: 2003/0073501 (2003-04-01), Goto et al.
patent: 2003/0130045 (2003-07-01), Kura et al.
patent: 2000-320563 (2000-11-01), None
Machinery's Handbook, 25th ed., New York, Industrial Press, 1996. p. 707. TJ151.M3 1996.
Univeral Joint and Driveshaft Design Manual, AE-7, Society of Automotive Engineers, Inc., Warrendale, PA, pp. 131 and 140, TJ1079.S62 1979.

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