Patent ID: 8076558

Claim:
A reinforced music box, comprising: a base portion, having a lower hole and a plurality of fixing protrusions; a two-sided cogwheel, disposed in the base portion and able to rotate axially; a step type cogwheel, disposed in the base portion and may engage with a first side cogwheel of the two-sided cogwheel, wherein the step type cogwheel may rotate axially; a music generator, disposed on the base portion and linked with the step type cogwheel, wherein the music generator may generate music; a cover portion, having a main part, a friction part and a supporting part, wherein the main part, friction part and supporting part are integrally formed and either the main part or supporting part has a plurality of engagement holes that can engage with the fixing protrusions of the base portion, and wherein the friction part has an upper hole and an edge is formed around an indentation area, and wherein the indentation area has a predetermined degree of flexibility; and a friction set, having a friction part and a spirally cogged stick, wherein upper end lower end of the cogged stick are fitted to the upper hole of the cover portion and the lower hole of the base portion, respectively, and the cogged stick may perpendicularly engage with the second cogwheel of the two-sided cogwheel.