Footwear article with adjustable stiffness
US7540100B2 · kind B2 · utility
57Cited by
27References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 18, 2006 |
| Grant date | Jun 2, 2009 |
| Priority date | — |
| Expiry date | Mar 19, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B13/141
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An article of footwear or shoe assembly, which is designed to allow for adjustment of stiffness in its sole unit, is disclosed. The article of footwear is preferably constructed to enhance stability, support and comfort of a wearer on varied terrain. Among other elements, the shoe assembly preferably includes an adjustable shank disposed within the shoe to allow for adjustment in the stiffness of the sole unit. In certain embodiments, the adjustable shank further includes a plurality of segments adapted to be manipulated in order to vary the stiffness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.