PNEUMATICALLY CONTROLLED GRASPING DEVICE
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United States of America Patent
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app pub date -
Oct 6, 2011
filing date -
Nov 20, 2008
priority date (Note) -
Abandoned
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Abstract
A pneumatically controlled grasping device to grasp and handle items or bodies provided with a graspable member. A supporting sleeve (16, 36) internally delimits an intermediate space (23, 43) contiguous to a distal opening and a guide chamber (23′, 43′) connected to a source of fluid under pressure. In the intermediate space a gripper device (21,41) is mounted, facing the distal opening and designed to engage with the graspable member. In the guide chamber a control piston (22, 42) is housed movable into a first position which corresponds to an activation or deactivation of the gripper device by the fluid under pressure, and to a second position which corresponds to the deactivation or activation of the gripper device, by at least a flexible reaction element (27, 47). The gripper device can be equipped to grasp the graspable member from the outside or from inside when it has a cavity.
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