| 摘要 |
A transfer apparatus for automated parts movement comprises a cylinder attached to a rearward and a forward end cap. Slidably positioned within the cylinder is an outer piston having a recess in which an inner piston is slidably received. A transfer assembly is attached to the inner and outer piston. The transfer assembly includes an inner rod attached to a gripper and a sheath. The inner rod is attached to the inner piston and extends through both the outer piston and the forward end cap. The sheath is affixed to the outer piston and encases the inner rod and gripper. Introduction of fluid through the rearward end cap moves the pistons to extend and expose the gripper, enabling it to grasp an article, and thereafter transports the article to the target destination. At the target destination, continued movement of the outer piston towards the forward end cap extends the sheath to move over the gripper, and thereby removes and deposits the article. Injection of fluid through the forward end cap retracts the pistons and the transfer assembly.
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