Driveshaft comprising a counter track joint featuring a...

Details Driveshaft comprising a counter track joint featuring a... Driveshaft comprising a counter track joint featuring a...

2011-04-19

2011-04-19

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

07927220

ABSTRACT:
A constant velocity universal ball joint11having first and second outer ball tracks16, 18, and first and second inner ball tracks17, 19, forming first pairs of tracks16, 17which widen in a first axial direction. Ri1(α), and forming second pairs of tracks18, 19which widen in a second axial direction Ri2(β). Balls20are guided in the pairs of tracks and have centers Z positioned on a pitch circle radius PCR around a joint centre M. A ball cage21holds the balls20in a common central plane E on to the angle-bisecting plane when the joint is articulated. There is provided an axial clearance permitting a relative axial displacement S wherein, when in the aligned condition, the ratio between the axial clearance S and the pitch circle radius PCR ranges between 0.01 and 0.09 (0.01<S/PCR<0.09).

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GKN Constant Velocity Products Catalog, GKN Automotive, Inc. Auburn Hills, MI 1993, p. 16.

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