Patent · US Expired

Fluid-filled bladder for use with strap

US7448522B2 · kind B2 · utility

24Cited by
185References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 11, 2003
Grant dateNov 11, 2008
Priority date
Expiry dateApr 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.