Motion delay mechanism and animated toy employing it

Claim 1

IN A DOLL, A HOLLOW BODY, AN APPENDAGE MOUNTED FOR RELATIVE MOVEMENT WITH RESPECT THERETO, A ROTATABLE SHAFT JOURNALED IN SAID BODY AND CARRYING APPENDAGE, A COIL SPRING ENCIRCLING SAID SHAFT FOR IMPARTING A LIMITED ROTATIVE MOVEMENT TO IT, SAID SPRING HAVING ONE END ANCHORED TO SAID BODY AND THE OTHER TO SAID SHAFT, A DRUM ON SAID SHAFT, AND A HELICAL BRAKING SPRING HAVING CONVOLUTIONS ENCIRCLING SAID DRUM AND ACTING TO RESTRAIN IT FRICTIONALLY AND THEREBY RETARD THE SHAFT MOVEMENT, THE CONVOLUTIONS EXTENDING IN A DIRECTION IN WHICH THE ROTATIVE MOVEMENT OF THE SHAFT IN THE DRIVEN DIRECTION INDUCES THEM TO TIGHTEN AGIANST SAID DRUM.