Dual type constant velocity universal joint

Details Dual type constant velocity universal joint Dual type constant velocity universal joint

2011-03-29

2011-03-29

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, C464S182000

Reexamination Certificate

active

07914382

ABSTRACT:
A dual type constant velocity universal joint solves the problems of greasing work efficiency and lubricating ability of a double Cardan Joint. The dual type constant velocity universal joint includes two constant velocity universal joints. Each constant velocity universal joint includes: a cylindrical outer ring in which a plurality of guiding grooves that extend in an axial direction are formed on a spherical inner circumferential surface; an inner ring in which a plurality of guiding grooves that extend in an axial direction are formed on a spherical outer circumferential surface; balls for torque transmission each of which is disposed in each of a plurality of ball tracks which are through coordination between the guiding grooves of the outer ring and the guiding grooves of the inner ring; and a cage5for holding the balls. The outer ring are coaxially integrated with back to back, and a place between the outer circumferential surface on the opening side of the outer ring and shafts connected to the inner ring is covered with a boot having a metal ring.

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Supplementary European Search Report dated Jul. 30, 2009 in European Application No. 06821993.0.
International Search Report mailed Nov. 14, 2006 for International Application No. PCT/JP2006/320932.

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