Back support for folding seat
US6382728B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 13, 2000 |
| Grant date | May 7, 2002 |
| Priority date | — |
| Expiry date | Oct 13, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C7/40
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
According to one aspect of the folding chair of the present invention, a seat back support integrally formed with the front legs of the folding chair is bent forward at a particular angle, at a particular height above the seating surface, to provide comfortable lower back support for a person sitting on the seat, while maintaining stability. According to another aspect of the invention, a cushion for use on the seat back of the chair is disclosed. The cushion has a particular shape with portions that are intended to interlock with a correspondingly shaped apertures in the seat back of the chair. The cushions may be removed for cleaning or replacement with little trouble. In another aspect, the seating surface of the folding chair is contoured with a gentle s-shape.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.