A ball joint assembly for a vehicle includes a ball stud (10) having a ball (13) on a shaft (11), a pair of bearing members (30) in sliding contact with the ball of the ball stud, a seat member (50) supporting an exterior circumference of the bearing membe...

A castor wheel for a transportation vehicles comprises an axle assembly (12), a hub (10), a polyurethane tread (14), and an elastomeric infill (16), interposed between the hub (10) and the polyurethane tread (14). The wheel is manufactured by a multi-stage...