Footwear shock absorbing and ventilating apparatus
US7426793B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 21, 2005 |
| Grant date | Sep 23, 2008 |
| Priority date | — |
| Expiry date | Dec 27, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B7/081
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A combination shock absorbing and ventilating apparatus for a foot bed of a shoe, comprises an air chamber having at least one flexible wall located in the foot bed of the shoe, an air intake to the air chamber, an air outlet from the air chamber, a one-way valve on at least one of the air intake or the outlet, at least one of the intake or outlet being connected to the foot bed of the shoe and operative to circulate air with the foot bed, at least one resilient member within the chamber operative to re-inflate the air chamber, and a turbine on a sidewall of the shoe, the turbine having a wheel, one of the air inlet or the air outlet being connected to the turbine for directing air flow to spin the wheel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.