Fluid-filled bladder for use with strap
US7448522B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 11, 2003 |
| Grant date | Nov 11, 2008 |
| Priority date | — |
| Expiry date | Apr 30, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B71/081
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A bladder for use with a strap to carry a load includes a first longitudinal chamber, a second longitudinal chamber spaced apart from and substantially parallel to the first longitudinal chamber, and a plurality of transverse chambers. Each transverse chamber is connected at a first end thereof to the first longitudinal chamber and at a second end thereof to the second longitudinal chamber, is in fluid communication with the first and second longitudinal chambers, and has a longitudinal axis extending substantially parallel to the longitudinal axis of the other transverse chambers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.