Height-adjustable portable folding chair

Abstract

Elderly people with back pain etc. 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 To provide a portable folding chair with height adjustment, which is configured by arranging two pipes with shafts to support the seat.

Description

[Technical Field]

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

[0002] One idea for a portable folding chair with adjustable height. [Prior art documents] [Patent documents]

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

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

[0005] 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 We created a structure with two shafted pipes that support the seat. The structure of claim 1 allows height adjustment by the belt-type seat and dynamic load change from above by the hinge spring. Two types of height adjustment are available to accommodate different needs. The structure of claim 1 allows it to be folded and placed in a storage case, allowing it to be used as a portable folding chair. [Effects 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 explanation of the drawings]

[0007] [Figure 1] Figure 1 shows the top view of a height-adjustable portable folding chair. [Figure 2] Figure 2 shows the front view of a height-adjustable portable folding chair. [Figure 3] Figure 3 shows the front view of a height-adjustable portable folding chair with its hinge spring in function. [Figure 4] Figure 4 is a side cross-sectional view of a height-adjustable portable folding chair. [Figure 5] Figure 5 is a perspective view of a portable folding chair with adjustable height. [Figure 6] Figure 6 is a perspective view of a height-adjustable portable folding chair with a hinge spring in operation. [Figure 7] Figure 7 shows an image of a height-adjustable portable folding chair. [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 INVENTION

[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 installed.

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

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

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

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

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

[0015] Figure 7 shows an image of a portable folding chair with adjustable height, shown as Figure A.

[0016] Figure 8 shows image B of the height-adjustable portable folding chair when the chair's height is changed.

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

[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 Fulcrum Axis 9. Fulcrum shaft fixing nut 10 Connecting bar fixed shaft 11 beds 12 connecting pin 13 Spacer 14 Shafted pipe 15 Plate-type bearing 16 Hinge spring legs

Claims

1. 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 This portable folding chair is height adjustable and features a configuration in which two shafted pipes are arranged to support the seat.

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

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

Images