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A folding chair with arms includes two back-rest tubes, two seating frame tubes, a pair of front crossed tubes, a pair of rear crossed tubes, a chair fabric, and a pair of soft or rigid arms. Each of the back-rest tubes is connected cross-wise to one of the seating frame tubes. The upper portion of

A folding chair with arms includes two back-rest tubes, two seating frame tubes, a pair of front crossed tubes, a pair of rear crossed tubes, a chair fabric, and a pair of soft or rigid arms. Each of the back-rest tubes is connected cross-wise to one of the seating frame tubes. The upper portion of each of the rear crossed tubes is connected to one of the back-rest tubes via a U-shaped hinging element. The front crossed tubes are cross-wise connected, and at the crossed connection point is provided a support reinforced block. The upper portion of each of the front crossed tubes is connected to one of the seating frame tubes via an eccentric U-shaped hinging element and a fixing element. The lower portion of each of the front crossed tubes is connected to the lower portion of one of the back-rest tubes via an eccentric U-shaped hinging element.

대표청구항 ▼

What is claimed is: 1. 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 seati

What is claimed is: 1. 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. 2. A folding chair with arms according to claim 1, wherein each of the first and second eccentric U-shaped hinging elements has a U-shaped hinging body, and on said U-shaped hinging body is provided a connection hole and a tube insertion notch, such that there is an eccentricity between a center of said connection hole and a center of said tube insertion notch. 3. A folding chair with arms according to claim 1, wherein two identical reinforced blocks combined in a face-to-face relation are disposed at a crossed connection point, and when the chair is unfolded, the protrusions of said reinforced blocks come into contact with one another so as to support said two front crossed tubes. 4. A folding chair with arms according to claim 1, wherein the pair of arms may be soft or rigid. 5. A folding chair with arms according to claim 4, wherein the upper portion of each of said front crossed tubes extends upward to curved support tubes, the pair of arms is soft, front ends of said soft arms are sleeved over upper ends of said curved support tubes, respectively, and rear portions of said soft arms are fixed respectively on said back-rest tubes. 6. A folding chair with arms according to claim 4, wherein at a front outside of each of the seating frame tubes is provided another support tube, the another support tube being connected to an outside of the fixing element which is sleeved on each seating frame tube, an upper end of the another support tube being connected to a joint element which is fixed under a rigid arm, the rear portion of said rigid arm being fixed to said back-rest tube, thus forming a quadrangular structure together with said seating frame tubes and said back-rest tubes.