Patent ID: 8051592

Claim:
A rotatable graphic assembly comprising: an outer barrel comprising an inner surface and a plurality of inner teeth formed thereon with an inner bevel formed at an end of each inner tooth; an inner barrel received within the outer barrel, the inner barrel comprising an outer surface and a plurality of outer teeth formed on the outer surface with an outer bevel formed at an end of each outer tooth and movably engaged with the inner teeth, the inner barrel defining a first crown gear portion at one end thereof; a spring sleeved in the inner barrel; a base sealing one end of the outer barrel, the spring biased between the other end of the outer barrel away from the base and the base; the base defining a second crown gear engaging with the first crown gear portion; and a button disposed on the end of the second barrel away from the base and showing a graphic thereupon; wherein, when the button is impelled toward the base, the inner barrel is rotated by a torque caused by relative movement between the first crown gear portion and the second crown gear portion caused by the impel; wherein, when the button is released, the inner barrel is restored and continues to be rotated by a torque caused by relative movement along the engaging inner bevel and outer bevel caused by a restoring force of the spring.