Sweet spot sole construction
US5070629A · kind A · utility
93Cited by
10References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 26, 1989 |
| Grant date | Dec 10, 1991 |
| Priority date | — |
| Expiry date | Oct 26, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B1/0072
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A shoe construction having an energy return system together with features providing cushinoning and stability. The energy return system includes a rigid frame having a torsional rigidity bar in the midfoot area integrally connecting annular walls in the forefoot and heel areas of the midsole. A net of monofilaments or fibers is secured under tension in the areas defined by the annular walls with the net positioned over an open area in the midsole. A cantilevered system of support pads is positioned in the arch area to support the medial side of the midfoot.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.