Patent ID: 8317051

Claim:
A trash can lid comprising: a base ( 1 ), a big lid ( 2 ) and a small lid ( 3 ); a left side of the base ( 1 ) is pin-jointed with a left side of the big lid ( 2 ), a button switch is provided between right sides of both the base ( 1 ) and the big lid ( 2 ), when the button switch is pressed, the big lid ( 2 ) can be flipped around the left side of the base ( 1 ); the left side of big lid ( 2 ) is pin-jointed with a left side of the small lid ( 3 ), a button switch is provided between right sides of both the big lid ( 2 ) and the small lid ( 3 ), when the button switch is pressed, the small lid ( 3 ) can be flipped around the left side of big lid ( 2 ); the big lid ( 2 ) is provided with an opening ( 22 ), the small lid ( 3 ) is provided with a rotary member ( 32 ), the rotary member ( 32 ) is coupled with the small lid ( 3 ) by a U-shape curved section ( 33 ) and is provided with an axle hole ( 34 ), the rotary member ( 32 ) extends in the opening ( 22 ), a separating plate ( 323 ) is provided in the center of axle hole ( 34 ) and two cylinders ( 321 , 322 ) are provided at both sides of the separating plate ( 323 ), springs ( 41 , 42 ) sheathe the cylinders ( 321 , 322 ), the cylinders ( 321 , 322 ) are designed to protect springs ( 41 , 42 ) from dislocating, rotor shafts ( 52 , 51 ) are provided at the outside of springs ( 41 , 42 ) and pin holes ( 521 , 511 ) are provided in the rotor shafts ( 52 , 51 ), pins ( 62 , 61 ) are provided inside pin holes ( 521 , 511 ) and fix the rotor shafts ( 52 , 51 ) at the left side of big lid ( 2 ).