Patent 8256145 was granted and assigned to Nike, Inc. on September, 2012 by the United States Patent and Trademark Office.
Articles of manufacture and articles of wear may include one or more traction elements. Portions of the traction elements may be extendable and/or retractable. The traction elements have at least a two-plate construction that is designed to moderate a force that is applied to one of the plates. This construction may be used in articles of footwear having cleats or other traction elements. force applied by a wearer's foot may be moderated by the two-plate construction.