Patent References 2932281 3785507 3870164 InventorApplicationNo. 534935 filed on 12/20/1974US Classes:414/627, Suction gripper type294/64.1, VACUUM91/52CONSTANTLY OPEN THROTTLED EXHAUST WITH CONTROLLED MOTIVE FLUID SUPPLYExaminersPrimary: Sheridan, Robert G.Attorney, Agent or FirmAbstractA sensitive low contact mass pick up assembly for picking up fragile devices is disclosed. The pick up assembly is fluid actuated and comprises a contact element which moves toward the device to be picked up with a controlled motion and which is provided with a controlled deacceleration such that the motion of the element becomes substantially zero as the element approaches the device to be picked up and the impact on the device is significantly reduced. | |