Compact motion mechanism for an animated doll

摘要: A tiny articulation eye (22) and mouth (24) (facial-expression structures) opeing closing structure installable in the hollow interior of a doll head (12), utilizing single, upright-axis motor (52), rotary, co-axial, stepped-diameter drum (44) which is rotated by motor. Circumferential drive tracks (48, 50) formed on outside followers (38) actuation directiy impart opening xloding motions head's mouth.