Patent · US Expired

Folding chair

US7017986B2 · kind B2 · utility

29Cited by
109References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 6, 2003
Grant dateMar 28, 2006
Priority date
Expiry dateNov 6, 2023

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA47C4/20
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

A folding chair is provided having a first front leg, a second front leg, a first rear leg, a second rear leg, a first link, a second link, a chair seat, and a backrest. The chair seat includes a seat member, a first support bracket, a second support bracket, and a cross-bar connecting the first and second support brackets. The first front leg, the first rear leg, the first link, and the first support bracket form a first four-bar linkage. The second front leg, the second rear leg, the second like, and the second support bracket form a second four-bar linkage.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.