US 12,336,598 B2
Shoe sole
Kadunori Iuchi, Osaka (JP); Toshiaki Aoki, Osaka (JP); and Junichi Kikuta, Osaka (JP)
Assigned to Shimano Inc., Osaka (JP)
Filed by Shimano Inc., Osaka (JP)
Filed on Aug. 27, 2024, as Appl. No. 18/816,856.
Application 18/816,856 is a division of application No. 17/747,437, filed on May 18, 2022, granted, now 12,114,734.
Prior Publication US 2024/0415236 A1, Dec. 19, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. A43B 13/14 (2006.01); A43B 5/14 (2006.01); A43B 13/12 (2006.01); A43C 15/16 (2006.01)
CPC A43C 15/161 (2013.01) [A43B 5/14 (2013.01); A43B 13/122 (2013.01); A43B 13/125 (2013.01); A43B 13/14 (2013.01); A43B 13/141 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A shoe sole comprising:
a first sole layer including a first region, a second region and a cleat engagement part, the first sole layer having an inner side edge and an outer side edge;
a second sole layer at least partly overlapping the first sole layer; and
a third sole layer having an outer foot shape, and the second sole layer being disposed between the first sole layer and the third sole layer,
the first region of the first sole layer having a first rigidity, the second region of the first sole layer having a second rigidity that is more flexible than the first rigidity and extending in a longitudinal direction of the shoe sole, the second sole layer having a third rigidity that is more flexible than the first rigidity, and the third sole layer having a fourth rigidity that is less rigid than the first rigidity,
the second region of the first sole layer including at least one elongated through opening of located laterally between the cleat engagement part and at least one of the inner and outer side edges of the first sole layer, and
the third sole layer including at least one opening aligned with the at least one elongated through opening of the second region.