Improvements in the object of the main patent number 177343 granted by a mechanism to apply to dolls and give the feeling that these are speakers according to which a horizontal general motor shaft mounted on the frame of the doll and driven by an engine is provided or spring or simply by hand with a handle on whose axis there is a pulley and an eccentric crawling through the first and consequent transmission of belt or rope guided by two channel forwarding the vertical tree pulley of a turntable plate mounted on the frame of the doll and acting by means of the second on a flexible cable-stayed element hooked at one end to a fixed point of the frame and on the other to an oscillating lever which on the same or on its other arm has the lower lip of the doll mounted and whose oscillation is produced by the combined action of the displacement of the said flexible tensioning element and that of an opposing spring with stop constituted by the upper lip of the doll. (Machine-translation by Google Translate, not legally binding)
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