Patent ID: 7363853

Claim:
A device for cracking open an egg comprising handles for grasping and operating said device, holding means for holding an egg to be cracked in a predetermined position, and gripping, penetrating, and opening mechanism coupled to said handles and said holding means, for gripping said egg, for penetrating the shell of said egg, and for opening said shell so as to release the inner contents of the egg, wherein said gripping, penetrating, and opening mechanism comprises; (a) a protruding element coupled to a catch element for switching the position of the catch element when the protruding element is brought in contact with the egg, thereby accomplishing a first stage of operation and preventing further movement of a main screw; (b) a spring configured to be compressed against the main screw which has become immovable in the first stage, the spring's size determines a distance of movement of a pair of arms having piercing members, thereby causing the piercing members to penetrate the bottom of the shell of the egg in a second stage of operation; said arms are configured to rotate outwardly and to separate the piercing members from one another thereby causing opening the egg in a final stage of operation.