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Angular pneumatic gripper

Image Number 4 for United States Patent #7172230.

The invention concerns a pneumatic angular gripper which includes a gripper body forming a chamber (14), a piston (12) moving alternately in said chamber, and a pair of gripper jaws (13) oscillating in opposite directions on respective rotation axes in said gripper body. Each jaw (13) is connected to the head of one piston stem (12) by means of a connecting rod (22) forming a longitudinal extension of the jaw and susceptible to angular movements in regards to the head of the stem of said piston. The connecting rod has a distal part guided and sliding in a base hole (21) formed in its respective jaw (13) and a proximal part fixed to a turning pin (23) placed on board the head of the piston stem.

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