	US 11,992,085 B2
	Drop-in unitary footwear sole with first and second cushioning bodies of differing hardness
Kristina L. S. Kurcinka, Portland, OR (US); and Jeffrey S. To, Portland, OR (US)
Assigned to NIKE, Inc., Beaverton, OR (US)
Filed by NIKE, Inc., Beaverton, OR (US)
Filed on Oct. 6, 2022, as Appl. No. 17/961,197.
Application 17/961,197 is a division of application No. 16/951,350, filed on Nov. 18, 2020, granted, now 11,490,684.
Application 16/951,350 is a continuation of application No. 16/167,677, filed on Oct. 23, 2018, granted, now 10,932,522, issued on Mar. 2, 2021.
Claims priority of provisional application 62/575,922, filed on Oct. 23, 2017.
Prior Publication US 2023/0035794 A1, Feb. 2, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A43B 13/18 (2006.01); A43B 7/142 (2022.01); A43B 7/143 (2022.01); A43B 7/144 (2022.01); A43B 13/04 (2006.01); A43B 13/12 (2006.01); A43B 13/16 (2006.01); A43B 17/00 (2006.01); A43B 17/02 (2006.01)

CPC A43B 13/186 (2013.01) [A43B 7/142 (2013.01); A43B 7/143 (2013.01); A43B 7/144 (2013.01); A43B 13/04 (2013.01); A43B 13/12 (2013.01); A43B 13/127 (2013.01); A43B 13/16 (2013.01); A43B 13/188 (2013.01); A43B 17/006 (2013.01); A43B 17/02 (2013.01)]

7 Claims

1. A sole structure for an article of footwear that has a foot-receiving cavity, the sole structure comprising:

a unitary sole configured for insertion into the foot-receiving cavity;

wherein the unitary sole comprises a first cushioning body and a second cushioning body, the first cushioning body having a first hardness and the second cushioning body having a second hardness greater than the first hardness;

wherein both the first cushioning body and the second cushioning body have a forefoot region, a midfoot region, and a heel region;

wherein the first cushioning body has a lower interior surface and overlies the second cushioning body between a medial extremity of the second cushioning body and a lateral extremity of the first cushioning body;

wherein the second cushioning body has a wedge surface that interfaces with the first cushioning body at the lateral extremity of the first cushioning body;

wherein the second cushioning body has a foot-facing exterior surface and a ground-facing exterior surface;

wherein the wedge surface angles upward and laterally outward toward a lateral side exterior surface of the unitary sole from the lower interior surface, to the foot-facing exterior surface, and away from the ground-facing exterior surface; and

wherein the second cushioning body has an interior surface at a medial extremity of the second cushioning body that extends downward from the lower interior surface, away from the foot-facing exterior surface, and abuts the ground-facing exterior surface.