Patent ID: 7258378

Claim:
A pneumatic gripper assembly structure comprising: a supporting body, said supporting body being formed of at least two symmetrical half-shells, said at least two symmetrical half-shells being formed individually in a single mold, one symmetrical half-shell being arranged opposite another symmetrical half-shell such that said one half-shell is in contact with another symmetrical half-shell, said one symmetrical half-shell being connected to another symmetrical half-shell to form a single body for receiving, supporting and guiding other structural and functional components of the gripper assembly, said at least two symmetrical half-shells being formed using die-casting, sintering or forging techniques, said one half-shell being mirror symmetrical to another half-shell; a piston moving alternately in a chamber of said supporting body; two jaws supported and guided in said supporting body; and a driver arranged between said piston and said two jaws, said driver being coupled to said piston by means of a connecting pin, said driver being connected to said jaws by means of diverging slots, each jaw having a bottom pin engaged in one of said slots for moving said jaws in opposite directions in response to alternating movements of said piston.