Gkn Driveline Deutschland Gmbh

Joachim Prölss

Hans Wormsbaecher

Volker Bergmann

Frank Braun

A homokinetic rotary ball joint in the form of a plunging joint is described. The joint comprises a joint outer partwith outer first ball tracksand with outer second ball tracks, the outer second ball tracksintersecting a joint mid-axis A when the joint is aligned; a joint inner partwith inner first ball tracksand with inner second ball tracks, the inner second ball tracksintersecting the joint mid-axis A when the joint is aligned; first ballswhich are held in first pairs of tracks including, in each case, an outer first ball trackand of an inner first ball track; second ballswhich are held in second pairs of tracks including, in each case, an outer second ball trackand of an inner second ball track, in each case the outer and the inner ball trackof the second pairs of tracks intersecting one another; a ball cagewhich has, distributed circumferentially, cage windowsin which the first and the second ballsare held in a common plane; a second radial play formed between the second ballsand the second ball tracksis greater than a first radial play formed between the first ballsand the first ball tracks

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Ober-Ramstadt, Germany

Joachim Prölss