Constant velocity universal joint

Details Constant velocity universal joint Constant velocity universal joint

2005-11-10

2008-12-09

Dunwoody, Aaron M (Department: 3679)

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

Coupling accommodates drive between members having...

Tripod coupling

C464S905000

Reexamination Certificate

active

07462106

ABSTRACT:
A constant velocity universal unit includes an outer joint member whose inner peripheral face is formed with three guide grooves, an inner joint member including three tripod shafts each formed with a tripod spherical face, three roller units each including an outer peripheral face and an inner peripheral face coaxially formed with each other. The guide groove includes a pair of strip-shaped inner side faces formed with a pair of guide projections having a substantially half arc shape in cross section whose diameter is smaller than a height of the inner side face of the guide groove. The constant velocity universal joint further includes an annular recess formed on a substantially center portion in a height direction of the outer peripheral face of the roller unit and engaging with the pair of guide projections in a rolling manner and rotatable relative to a central axis of the guide projection.

REFERENCES:
patent: 5362275 (1994-11-01), Girguis
patent: 5474500 (1995-12-01), Girguis
patent: 6749516 (2004-06-01), Margerie

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