Patent ID: 7017985

Claim:
A folding chair with arms, comprising: two back-rest tubes, two seating frame tubes, two front crossed tubes, a pair of rear crossed tubes, a chair fabric, and a pair of arms, wherein a structure of said folding chair with arms is symmetrical left-to-right, each of said seating frame tubes is circular arc-shaped, with one end touching ground to serve as a rear support leg and the other end bending toward a front end of said folding chair with arms to serve as a support pole of a front seat, each of said back-rest tubes bending upward, with one end touching ground to serve as a front support leg and the other end bending upward to serve as a support pole of a backrest, each of said back-rest tubes is connected cross-wise to one of said seating frame tubes, an upper portion of each of said rear crossed tubes is connected to an upper portion of one of said two back-rest tubes via a first U-shaped hinging element, a lower portion of each the rear crossed tubes is connected to a lower portion of one of said two seating frame tubes via a second U-shaped hinging element, said two front crossed tubes are cross-wise connected, and at a joint connection of each of said front crossed tubes is disposed a reinforced block, each reinforced block being lid-shaped and having a rivet hole disposed in a center thereof, and each reinforced block having a protrusion disposed at an upper end thereof and a positioning groove disposed at a lower end thereof along a periphery of said reinforced support block, said positioning groove being fitted inside of a joint portion of the front crossed tubes, the protrusions of opposing reinforced blocks facing each other, and said rivet hole on each reinforced block being connected to a rivet hole of a tube crossing portion via a rivet, an upper portion of each of said front crossed tubes is connected to one of said seating frame tubes via a first eccentric U-shaped hinging element and a fixing element, a lower portion of each of said front crossed tubes is connected to the lower portion of one of said back-rest tubes via a second eccentric U-shaped hinging element, an upper portion of each of said front crossed tubes is provided with one arm of said pair of arms, and said chair fabric is sleeved over said seating frame tubes and said back-rest tubes.