Clamping gripper
The right animation shows an innovative passive clamping gripper. At first, the gripper is tied by a robber band, which prevents the Ping-Pong from falling off. After the RC Servo Motor rotating certain degrees, a curved hook on the gripper slides against an unmovable rod, making it open. And the ball could be placed in the desired place. The most impressive part is its simple and elegant design. The passive gripper is much more adaptive to different shapes of objects than the active one, making it successful in placing objects.
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