Sole structure for a shoe
US7513065B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2005 |
| Grant date | Apr 7, 2009 |
| Priority date | — |
| Expiry date | Sep 7, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43C15/168
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A sole structure is provided that can improve bendability and cushioning ability of the sole forefoot portion. The sole assembly 1 is formed of an upper plate 2, and a lower plate 3 provided below the upper plate 2 and spaced apart from the upper plate 2 via a void S. The lower plate 3 has a plurality of protrusions 30 that protrude toward the upper plate 2. The longitudinal path length L1 of the lower plate 3 is longer than the longitudinal path length L2 of the upper plate 2. More specifically, the path length L1 of the lower plate 3 is 40-60% longer than the path length L2 of the upper plate 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.