NIKE, Inc.
FOOTWEAR WITH SOLE STRUCTURE INCORPORATING LOBED FLUID-FILLED CHAMBER WITH PROTRUDING END WALL PORTIONS

Abstract:

A sole structure for an article of footwear includes a fluid-filled chamber component having a central portion, a plurality of lobes extending outward from the central portion, and a plurality of channels formed between the plurality of lobes. The structure also includes a midsole component inter-fitted with the plurality of lobes of the fluid-filled chamber component and having a plurality of projections extending through the plurality of channels of the fluid-filled chamber component. The midsole component forms a portion of the peripheral side surface of the sole structure. At least a first lobe of the plurality of lobes has an exposed distal end wall and includes a projecting portion that extends further outward from the central portion of the fluid-filled chamber component than the portion of the peripheral side surface of the sole structure formed by the midsole component. The exposed distal end wall also includes a faceted surface.