Collapsible chair
US4648658A · kind A · utility
Inventor
Key dates
| Filing date | May 14, 1985 |
| Grant date | Mar 10, 1987 |
| Priority date | — |
| Expiry date | May 14, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C5/005
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An article of furniture foldable into a flat state and made of stiff sheet material includes a plurality of substantially vertical base panels, connected at their lateral edges to form a base portion, and a seat panel which is integral with and hinged from at least one of the base panels along at least one hinge line. The seat panel is disposed substantially horizontally over the base portion while in use and is pivotable around the hinge line to a substantially vertical position when the article of furniture is folded. A spine portion is provided between two of the base panels for reinforcing the article and includes a pair of flanges which are secured to each other. A reinforcing member is disposed within the base portion and is secured to the spine for reinforcing the seat panel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.