Patent ID: 7810989

Claim:
A cocktail shaker for shaking a container containing cocktail ingredients, the cocktail shaker comprising: a holder for holding the container; a following member rigidly coupled to the holder; a following device rigidly coupled to the following member; a directing mechanism coupled to the following device, such that the following device engages the directing mechanism and the directing mechanism limits the movement of the following device to a path defined by the directing mechanism; a linkage member having a first end pivotally coupled to the holder and a second end opposite of the first end; and a rotary driving mechanism pivotally coupled to the second end of the linkage member, such that rotation of the rotary driving mechanism drives the following device along the path defined by the directing mechanism, wherein the holder comprises an extension member having a first end attached to a cup and a second end opposite of the first end; and a first prong, a second prong and a third prong, coupled to the second end of the extension member, such that the first prong and the second prong are positioned at two vertices of the base of an imaginary isosceles triangle and the third prong is positioned at the top of the imaginary isosceles triangle, the first prong, the second prong and the third prong extending outwardly such that a top portion of the container is engagable by the first prong, the second prong, the third prong or a combination of thereof, and the container is retained in the cup by a bias force applied between the cup and the first prong, the second prong, the third prong or a combination thereof.