US 12,064,004 B2
Plate, shoe sole, and shoe
Masanori Sakaguchi, Kobe (JP); Kenji Hirata, Kobe (JP); Genki Hatano, Kobe (JP); Hiroaki Nishimura, Kobe (JP); Shingo Takashima, Kobe (JP); Yuya Kozuka, Kobe (JP); Fumitomo Hishikawa, Kobe (JP); and Takayuki Kogure, Kobe (JP)
Assigned to ASICS CORPORATION, Kobe (JP)
Filed by ASICS CORPORATION, Kobe (JP)
Filed on Sep. 29, 2021, as Appl. No. 17/489,548.
Claims priority of application No. 2020-167553 (JP), filed on Oct. 2, 2020.
Prior Publication US 2022/0104581 A1, Apr. 7, 2022
Int. Cl. A43B 13/14 (2006.01)
CPC A43B 13/141 (2013.01) 20 Claims
OG exemplary drawing
 
1. A plate used for a shoe sole forming a part of a shoe, the plate comprising:
a curved portion located in a forefoot region of the shoe sole, the forefoot region overlapping, in a thickness direction of the shoe sole, a forefoot portion of a wearer when wearing the shoe, the curved portion being shaped to curve toward a flat plane, in the shoe sole placed on the flat plane;
a midfoot supporting portion located in a midfoot region of the shoe sole, the midfoot region overlapping, in the thickness direction, a midfoot portion of the wearer when wearing the shoe, the midfoot supporting portion supporting the midfoot portion; and
a rear-foot supporting portion located in a rear foot region of the shoe sole, the rear foot region overlapping, in the thickness direction, a rear foot portion of the wearer when wearing the shoe, the rear-foot supporting portion supporting at least a part of the rear foot portion, wherein:
the curved portion includes a wide region including a wide portion of which dimension in a width direction is largest in the curved portion,
the midfoot supporting portion includes a narrow region including a narrow portion of which dimension in the width direction is smallest in the midfoot supporting portion, and
a ratio of a bending rigidity of the narrow region to a bending rigidity of the wide region is in a range of 0.4 to 0.85.