Doll construction for natural movements and positions

Claim 1

IN A DOLL CONSTRUCTION: A BODY HAVING A TRUNK; THE LOWER EXTREMITY OF SAID TRUNK COMPRISING A SINGLE BULBOUS BOSS WITH SUBSTANTIALLY THE ENTIRE OUTER SURFACE THEREOF DEFINING A SMOOTH AND CONTINUOUSLY CONVEX SURFACE OF GENERALLY SPHEROID SHAPE; A PAIR OF LEGS, EACH HAVING A CONCAVE RECESS EXTENDING OVER SUBSTANTIALLY THE ENTIRE INNER SURFACE OF THE UPPER PORTION THEREOF, EACH RECESS RECEIVING A LATERAL PORTION OF SAID BULBOUS BOSS AND BEING SUBSTANTIALLY COMPLEMENTARY IN SHAPE TO THE SURFACE THEREOF WITH SAID RECESSES EACH COVERING ABOUT 20% TO 40% OF THE EXTERNAL SURFACE AREA OF SAID BOSS; THE JUNCTURE BETWEEN THE OUTER SURFACE OF THE UPPER PORTION OF EACH LEG AND THE BOUNDARY EDGE OF ITS RECESS DEFINING A RELATIVELY THIN EDGE AND SAID OUTER SURFACE BEING CONFIGURED TO SUBSTANTIALLY THE SAME CURVATURE AS THE ADJACENT EXPOSED PORTIONS OF SAID BOSS AND ADJACENT PORTIONS OF SAID BODY TO DEFINE THEREWITH A SURFACE CLOSELY SIMULATING THE SURFACE OF THE PELVIC REGION OF A HUMAN BODY; AND FASTENING MEANS HOLDING SAID BOSS AND RECESSES IN FRICTIONAL MATING RELATION WHILE PERMITTING SAID LEGS TO SWING IN ANY DIRECTION INDEPENDENTLY OF EACH OTHER ON SAID BOSS AND LATERALLY OUTWARDLY FROM A FORE-AND-AFT VERTICAL PLANE BISECTING SAID DOLL TRUNK UP TO AN ANGLE OF AT LEAST ABOUT 40 DEGREES FROM SAID PLANE.