Bearing retainer

Claim 1

A RETAINER FOR BALL BEARINGS COMPRISING A UNITARY, MOLDED PLASTIC STRUCTURE HAVING AN AXIS AND AN UNYIELDING ANNULAR BASE PORTION NORMAL TO SAID AXIS AND ABOUT HALF AS THICK AS THE BALLS TO BE RETAINED AND HAVING AN END WALL AND HEMISPHERIC RECESSES NOTCHED IN SAID BASE AND OPENING AXIALLY AWAY FROM SAID END WALL, EACH SAID RECESS HAVING A RADIUS SLIGHTLY GREATER THAN THAT OF THE BALL TO BE RETAINED THEREIN, SAID RETAINER ALSO COMPRISING DIVIDERS BETWEEN EACH ADJACENT PAIR OF SAID RECESSES EXTENDING AXIALLY AWAY FROM SAID END WALL, ADJACENT PAIRS OF SAID DIVIDERS HAVING OPPOSED SPHERICAL, CONCAVE, FACES COINCIDENT WITH AND IN SPHERICAL EXTENSION OF EACH RECESS AND DEFINING A POCKET OF SLIGHTLY LARGER SIZE THAN THE BALL TO BE RETAINED THEREIN, SAID FACES HAVING CONTINUOUS, EXTERNAL CIRCULAR EDGES STRUCK FROM THE GREAT CIRCLE OF THE CENTERS OF SAID POCKETS AND EXTENDING FOR MORE THAN 180* AROUND SAID GREAT CIRCLE AND PREVENTING INADVERTENT DISPLACEMENT FROM EACH POCKET OF EACH BALL TO BE RETAINED THEREIN, THE DIAMETER OF SAID CIRCULAR EDGES BEING BETWEEN ABOUT 60 TO 80 PERCENT OF THE DIAMETER OF THE BALLS TO BE RETAINED, EACH DIVIDER HAVING A PAIR OF SAID FACES BACKTO-BACK WITH TAPERED RESILIENT SUPPORT FOR SAID EDGES AND EACH DIVIDER BEING SOLID AND UNYIELDING TO COMPRESSIVE FORCES EXERTED BY RETAINED BALLS IN THE DIRECTION OF SAID GREAT CIRCLE.