Height-adjustable portable folding chair

Abstract

Elderly people with back problems are looking for portable folding chairs that can be adjusted in height. [Solution] Two sets of connecting bars with a fulcrum axis in the center and connecting pins with hinge springs mounted on plate-type bearings. Two connecting bars are fixed to the legs of a height-adjustable portable folding chair, and the upper belt-type seat is To provide a portable folding chair with height adjustment, in which two shafted pipes are arranged to support the seat surface.

Description

[Technical field]

[0001] The present invention relates to a height-adjustable portable folding chair. [Background technology]

[0002] A portable folding chair with adjustable height. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Real No. 3039282 [Patent Document 2] Patent Publication 2006-58163 Summary of the Invention [Problem to be solved by the invention]

[0004] Elderly people with back problems are looking for portable folding chairs that can be adjusted in height. [Means for solving the problem]

[0005] A connecting pin with a hinge spring built in. A connecting bar with a fulcrum axis in the center and a plate-type bearing Connected with A height-adjustable portable folding chair, the height-adjustable portable folding chair comprising: The present invention provides a method for manufacturing a stator having two pairs of feet, the two pairs of feet including: Two connecting bars fixed shaft and Supports the seat surface of the upper belt type seat Two shaft pipes are arranged 。 and, The structure of claim 1 allows height adjustment by belt-type seat and dynamic load change from above by hinge spring. Two types of height adjustment are available to suit your needs. The configuration of claim 1 allows the chair to be folded, placed in a storage case and used as a portable folding chair. Effect of the Invention

[0006] This height-adjustable portable folding chair can be used in a variety of situations by elderly people suffering from back pain, etc. [Brief description of the drawings]

[0007] [Figure 1] Figure 1 shows the top view of a height-adjustable portable folding chair installed. [Diagram 2] Figure 2 shows the front view of a height-adjustable portable folding chair installed. [Diagram 3] Figure 3 shows the front view of a height-adjustable portable folding chair with hinge springs in function. [Figure 4] Figure 4 is a side cross-sectional view of a height-adjustable portable folding chair. [Diagram 5] Figure 5 is a perspective view of a height-adjustable portable folding chair. [Figure 6] Figure 6 is a perspective view of a height-adjustable portable folding chair with hinge springs in function. [Figure 7] Figure 7 shows an image of a height-adjustable portable folding chair when its height is changed. [Figure 8] Figure 8 shows an image of a height-adjustable portable folding chair when its height is changed. [Figure 9] Figure 9 shows an image of a height-adjustable portable folding chair stored in a carrying case. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0008] An embodiment of the present invention will be described with reference to FIGS.

[0009] Figure 1 is a top view of a height-adjustable portable folding chair when set up.

[0010] Figure 2 is a front view of a height-adjustable portable folding chair when set up.

[0011] FIG. 3 is a front view of a height-adjustable portable folding chair with hinge springs in function.

[0012] FIG. 4 is a side cross-sectional view of a height-adjustable portable folding chair.

[0013] FIG. 5 is a perspective view of a height-adjustable portable folding chair.

[0014] FIG. 6 is a perspective view of a height-adjustable portable folding chair with hinge springs in function.

[0015] Figure 7 shows an image of a portable height-adjustable folding chair when its height is changed.

[0016] Figure 8 shows an image of a portable height-adjustable folding chair when its height is changed.

[0017] Figure 9 shows an image of a height-adjustable portable folding chair stored in a carrying case. EXAMPLES

[0018] FIG. 2 is a representative diagram of the present invention. [Industrial Applicability]

[0019] Manufactured and sold as a portable folding chair with freely adjustable height. [Explanation of symbols]

[0020] 1 Belt type seat 2-axis 3 Hinge spring 4 Buckle 5 Belt End 6 Connecting bar with fulcrum axis 7 Load direction on belt-type seat 8 Pivot Axis 9 Pivot shaft fixing nut 10 Connecting bar fixing shaft 11 Beds 12 Connecting pin 13 Spacer 14 Pipe with shaft 15 Plate type bearing 16 Hinge spring leg

Claims

1. A connecting pin incorporating a hinge spring connects a connecting bar having a fulcrum axis in the center to a plate-type bearing. A height-adjustable portable folding chair, the height-adjustable portable folding chair comprising: The seat has two sets of legs, and the two sets of legs support two connecting bar fixing shafts and the seat surface of the upper belt type seat. This portable folding chair is height adjustable and is characterized by having two shafted pipes.

2. The structure of claim 1 allows height adjustment by belt-type seat and dynamic load change from above by hinge spring. This portable folding chair is height adjustable and has two different height adjustments to suit your needs.

3. The structure of claim 1 allows the chair to be folded and placed in a storage case, allowing it to be used as a portable folding chair. A portable folding chair with adjustable height.

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