Title: Universal joints and a holding clip for such joints

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Abstract: A universal joint is provided comprising an outer substantially bowl-shaped element having a cylindrical bore in which are formed tracks, an inner element housed in this bore and having a convex external surface provided with grooves, and connecting balls, disposed respectively in a track of the outer element and in a groove of the inner element. These connecting balls are held in position by a cage which has a concave internal surface adapted to cooperate with the convex external surface of the inner element, and a convex external surface. The clip is also provided with positioners removable positioning means for securing the cage with respect to the outer element.

The removable positioners are formed by an expandable holding clip comprising at least two diametrically opposite lugs adapted to surround the cage and having a concave shape so as to cooperate with the external surface of this cage. These lugs are engaged in grooves formed in the internal wall of the outer elements. The clip also includes a mechanism for immobilizing the clip on the external element.