Music box transmission mechanism
 A music box transmission mechanism comprised of a music box, a shell connected to the casing of the music box on the outside to hold a base frame, a movable plate connected to the base frame by a connector, a link coupled to a rod on one end of the pinned barrel of the music box, a top actuating rod inserted through respective holes on the connector and the base frame and the movable plate and coupled to the link by a coupling shaft, and two swinging rods inserted through respective half-round slots on the base frame into respective holes on the movable plate, whereby the swinging rods are reciprocated vertically as the top actuating rod is turned back and forth horizontally during the operation of the music box. 
G
G10F
inventional
Yu-Kai
Chen