Footwear sole structure with nonlinear bending stiffness
US11266202B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 18, 2019 |
| Grant date | Mar 8, 2022 |
| Priority date | — |
| Expiry date | Mar 31, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B5/02
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A sole structure for an article of footwear comprises a sole plate that has a forefoot region, and a stiffness enhancing assembly disposed in the forefoot region of the sole plate. The stiffness enhancing assembly further comprises a compression member disposed at a foot-facing side of the sole plate, and a tensile member disposed at an opposite side of the sole plate from the compression member. The tensile member is spaced apart from the compression member by a first distance in a first portion of a flexion range during dorsiflexion of the sole structure, and interferes with the compression member during a second portion of the flexion range that includes flex angles greater than in the first portion of the flexion range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.