Title:
スポーツシューズのソール
Document Type and Number:
Japanese Patent JP6946367
Kind Code:
B2
Abstract:
In the sole, inequalities, m2≥m1, m1≥f and m1≥h are satisfied, wherein the rearmost end of the foot-sole-contact-side surface is set to the origin, the path measured along the surface from the origin to the tip of the toe is set to L, the sole thicknesses at the positions of Sh(0.16×L), Sm2 {(0.3-0.5)×L}, Sm1{(0.4−0.6)×L} and Sf(0.7×L) are set to h, m2, m1 and f, respectively. An inequality, θ2>θ1 is satisfied, wherein the angle between the line connecting the positions Sm1, Sh and the horizontal plane is set to θ1, and the angle between the line connecting the positions Sm1′, Sh′ and the horizontal plane is set to θ2, in which the position where the vertical lines drawn from the positions Sm1, Sh cross the ground-contact surface are set to Sm1′, Sh′, respectively. The ground-contact surface has a downwardly convexly curved shape at the forefoot region.
Inventors:
Haruka Kajiwara
Yohei Yoshida
Yohei Yoshida
Application Number:
JP2019069541A
Publication Date:
October 06, 2021
Filing Date:
March 31, 2019
Export Citation:
Assignee:
Mitsuno Co., Ltd.
International Classes:
A43B13/14; A43B5/00
Domestic Patent References:
| JP2018534028A | ||||
| JP7194411A |
Foreign References:
| US20170273400 | ||||
| US20080010863 |
Attorney, Agent or Firm:
Kenichi Takasaki