Recirculating spline bearing

Claim 1

IN COMBINATION WITH A SPLINE OR THE LIKE HAVING UNDERCUT ENDS AND FLAT SIDES DIVERGING IN THE DIRECTION OF THE BASE THEREOF, A RECICULATING BEARING COMPRISING A CUP MEMBER OF CROSS SECTION CORRESPONDING TO THAT OF THE SPLINE AND OF A LENGTH GREATER THAN THAT OF THE SPLINE, SAID CUP MEMBER HAVING AN APERTURED BOTTOM AND A CONTINUOUS WALL EXTENDING FROM THE EDGE OF SAID BOTTOM WITH SUBSTANTIALLY STRAIGHT PARALLEL ELONGATED SIDE PORTIONS DIVERGING IN THE DIRECTION AWAY FROM SAID BOTOM IN CORRESPONDENCE TO SAID SPLINE SIDE DIVERGENCE AND ALSO HAVING ARCUATELY CURVED END PORTIONS INTEGRALLY CONNECTING ADJACENT ENDS OF SAID SIDE PORTIONS, SAID CUP MEMBER HAVING AN OUTTURNED FLANGE ALONG ONE PERIPHERAL EDGE THEREOF OPPOSITE SAID APERTURED BOTTOM, THE CURVATURE OF EACH OF SAID END PORTIONS ALONG SAID OTHER PERIPHERAL EDGE BEING ON A SMALLER RADIUS THAN THE CURVATURE THEREOF ALONG SAID ONE PERIPHERAL EDGE AND ABOUT A CENTER SPACED LONGITUDINALLY OUTWARDLY RELATIVE TO THE CENTER OF CURVATURE ON THE LARGER RADIUS, SAID FLANGE EXTENDING CONTINUOUSLY ALONG SAID ONE PERIPHERAL EDGE AND BEING DISPOSED SUBSTANTIALLY PERPENDICULARLY TO THE WALL THROUGHOUT THE EXTENT OF SAID ONE PERIPHERAL EDGE, A LIP ON THE OUTER EDGE OF THE FLANGE PARALEL TO THE WALL DEFINING A CHANNEL WITH THE FLANGE AND WALL, A PLURALITY OF BEARING ROLLERS IN SIDEBY-SIDE RELATION EACH ENGAGING THE WALL TRANSVERSELY THEREOF WITH ONE END IN SAID CHANNEL, A CAP MEMBR ENGAGEABLE WITH SAID APERTURE BOTTOM OF THE CUP MEMBER HAVING A CONTINUOUS MARGINAL PORTION PROJECTING OUTWARDLY OF SAID OTHER PERIPHERAL EDGE A DISTANCE EQUAL TO THE WIDTH OF SAID CUP FLANGE AND HAVING A LIP PARALLEL TO THE WALL AND EXTENDING TOWARD SAID LIP ON THE CUP FLANGE TO DEFINE ANOTHER CHANNEL RECEIVING THE OTEHR ENDS OF SAID ROLLERS, THE DISTANCE BETWEEN SAID FLANGE AND MARGINAL PORTION BEING SLIGHTLY GREATER THAN THE LENGTH OF THE ROLLERS AND THE WIDTH OF SAID CHANNELS BEING SLIGHTLY GREATER THAN THE ROLLER DIAMETER, AND A TONGUE STRUCK FROM THE CUP MEMBER ADJACENT EACH END THEREOF EXTENDING THROUGH SAID APERTURED BOTTOM OF THE CUP MEMBER FOR RESILIENT ENGAGEMENT WITH THE UNDERCUT END OF THE SPLINE FOR SECUREMENT OF THE CAP AND CUP MEMBERS IN ASSEMBLED RELATION ON THE SPLINE, THE LENGTHS OF BOTH PERIPHERAL EDGES OF THE CUP WALL BEING SUBSTANTIALLY EQUAL, WHEREBY THE PATHS OF THE MIDPOINTS AT THE OPPOSITE ENDS OF EACH ROLLER IN A CIRCUIT THEREOF ABOUT THE CUP WALL ARE OF SUBSTANTIALLY THE SAME LENGTH.