Patent ID: 7404601

Claim:
A light-weight foldable chair, comprising: a fabric for a seat and a backrest; two seating frame armrest tubes; two backrest tubes; two backrest support tubes; two seating frame support tubes; a plurality of crossed support tubes; two rotatable joint members; two sliding disks; two seat disks; and four foot disks, wherein said plurality of crossed support tubes have a plurality of front crossed tubes, a plurality of rear crossed tubes, and a plurality of side crossed support tubes, wherein the plurality of front crossed support tubes are between the two seating frame support tubes, wherein the plurality of front crossed support tubes are hinged to the two seating frame support tubes, wherein each of the two seating frame support tubes have an upper portion with one of the two seat disks disposed thereon, wherein each of the plurality of front crossed support tubes have an upper portion movably connected to one of the two seat disks and a lower portion connected to one of the four foot disks; wherein each of the two seating frame support tubes have an upper end disposed on one of the two rotatable joint members via a first U-shaped hinging member and a lower end disposed on a sliding sleeve which is sleeved on one of the plurality of side crossed support tubes, wherein the plurality of rear crossed tubes are between the two backrest support tubes, wherein each of the plurality of rear crossed tubes have an upper end connected to a sliding disk and a lower end movably connected to one of the four foot disks, said sliding disk is sleeved on one of the backrest support tubes, wherein each of the two backrest support tubes have an upper end disposed on one of two rotatable joint members via a second U-shaped hinging member and a lower end mounted on one of the four foot disks, wherein the plurality of side crossed support tubes are between the two backrest support tubes and the two seating frame support tubes, wherein each of the plurality of side crossed support tubes are hinged to another one of the plurality of side crossed support tubes, wherein one of the side crossed support tubes has an upper end movably connected to one of the two seat disks and a lower end movably connected to one of the four foot disks, each of the two backrest tubes are connected and clipped to one of the two rotatable joint members on an upper end of one of the two backrest support tubes via a first long joint member, wherein the two seating frame armrest tubes are connected and clipped to one of the two rotatable joint members on the upper end of one of two the seating frame support tubes via a second long joint member, and two seating frame armrest tubes and two backrest tubes are connected via at least one short joint member, and wherein the two seating frame armrest tubes and the two backrest tubes are sleeved with the fabric.