US Patent 7921858 Self-cleaning adhesive structure and methods
Patent 7921858 was granted and assigned to Lewis & Clark College on April, 2011 by the United States Patent and Trademark Office.
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An apparatus for transporting an object from one workstation to another, where the object or workstations may be contaminated with unwanted dirt or dust particles. A movable transfer arm connected to a control unit has an end effector including an array of nano-scale projections, where each projection provides one or more distal contact ends. The density of the contact ends is such as to grip a surface of the object with an intermolecular force sufficient to hold the object for movement in accordance with a control unit program. In accordance with a control unit program, after moving the gripped object to the workstation, the end effector is manipulated to release the gripped object, and before, during or after transport of the object, bring the arm's end effector into contact with a cleaning surface.
US Patent 07921858 Self-cleaning adhesive structure and methods US Patent 7921858 Self-cleaning adhesive structure and methods
US Patent 07921858 Self-cleaning adhesive structure and methods
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