A child play yard includes a frame that includes legs, lower cross bars having first ends pivotally coupled to lower ends of the legs, and a hub pivotally coupled to second ends of the lower cross bars, the hub including a hub mechanical central tube, a column slidably disposed within the hub mechanical central tube, a hub mechanical spindle disposed within the column, and hub lock fingers pivotally coupled to a lower portion of the column and including lower feet portions, the hub mechanical spindle having an enlarged diameter lower end portion that engages lower inner sidewalls of the hub lock fingers and maintains the lower feet portions of the hub lock fingers outside a perimeter of a lower opening of the hub mechanical central tube when the hub is disposed in a lowermost position in the frame.