Folding chair with back rest

Abstract

The invention is a novel model involving a folding chair with back rest, including small U-shaped bars, large U-shaped bars, and back rest U-shaped bars. The small U-shaped bars and large U-shaped bars' two ends have short vertical bars and long vertical bars cross-hinged to form supports. The backrest U-shaped bars' two backrest vertical bars are hinged on the large U-shaped bars' two long vertical bars top outside face. This forms a back rest weight support, and the two backrest vertical bars will tighten the back rest fabric. In this: the small U-shaped bars' two corners become a narrowing structure, shrinking the length of the short horizontal bar, and the soft stool surface forms a trapezoid shape. This uses a new small U-shaped bar two corner narrowing structure, which creates definite space in the corners to avoid the short horizontal bar top from blocking the legs.

Description

BACKGROUND OF THE INVENTION1. Field of the Invention[0001]The invention is to a new design used in the leisure chairs field, especially for a kind of folding chair with back, particularly for a kind of foldable, flat-folding stool.SUMMARY OF THE INVENTION[0002]Two sides of two rectangular frames become an X cross-hinge, and the folding stool formed is at once an ancient and commonly seen stool, especially in that the stool surface uses a soft fabric or strap, enabling the structure to be more simple. Additionally, when sitting it is possible to choose two cross hinges that join into a forward and back part. In this way the legs will not be obstructed by the rectangular frame horizontal bars, and therefore sitting is more comfortable, but without using the back rest. For this, the manufacturers add back rest rectangular frames, creating a folding stool that has back rest functionality. The structure has a small rectangular frame, a large rectangular frame, and a back rest rectangular...

AI Technical Summary

Benefits of technology

[0002]Two sides of two rectangular frames become an X cross-hinge, and the folding stool formed is at once an ancient and commonly seen stool, especially in that the stool surface uses a soft fabric or strap, enabling the structure to be more simple. Additionally, when sitting it is possible to choose two cross hinges that join into a forward and back part. In this way the legs will not be obstructed by the rectangular frame horizontal bars, and therefore sitting is more comfortable, but without using the back rest. For this, the manufacturers add back rest rectangular frames, creating a folding stool that has back rest functionality. The structure has a small rectangular frame, a large rectangular frame, and a back rest rectangular frame. The three can be nested to stack together into a flattened shape. In this, the small rectangular frame and the large rectangular frame's two sides cross-hinge together, forming a cross-support. On the large and small rectangular frames between the horizontal bars has been placed a soft fabric; the back rest rectangular frame's bottom end hinges on the large rectangular frame's top two outside faces. The backrest rectangular frame's bottom section horizontal bars are located behind the rectangular frame's back side, providing support for the back rest. The back rest rectangular frame has a back rest fabric which is held tightly, and provides back rest functionality. When folding, one only need to move the rectangular frame back and it will fold together with the large and small rectangular frames. The described small rectangular frame, large rectangular frame, and the back rest rectangular frame, can be a closed rectangular frame, an open rectangular frame, or U-shaped bars. How to improve this classic structure's stool with back rest has become a new area for utility research. The horizontal bars of the large and small rectangular frames of the stool with back rest located to the front and the back, especially the front horizontal bar which precisely protrudes into the area for the legs, and lacks in comfort. This promotes a new kind of objective which is to design a kind of U-shaped bar with two corners that narrow into horizontal bars with a short length, opening the soft stool surface to form a trapezoid shape, and the two front corners provide space in the folding chair with back for the legs to be placed in that space.

[0007]The soft stool surface and back rest fabric both have a structure that can provided double-sided usages.

[0009]This uses a new small U-shaped bar two corner narrowing structure, which creates definite space in the two corners, so that if the legs extend out in a seated position, it avoids the short horizontal bar top from blocking the legs, which is very comfortable and relaxing. The supported trapezoidal soft stool surface changes the traditional four sided stool surface which did not change, and can also provide perfect support for a person's gluteal; through a spiral stopper design, and thus it is possible to achieve a two-sided use characteristic for a stool with back rest;

[0010]After being folded, the backrest U-shaped bars, large U-shaped bars and U-shaped bars together are nested into a flat surface, and the stopper can also rotate 90 degrees, being placed in the corner of the collapsed area in the U-shaped bars, saving storage space.

[0012]The following combines the specific designs for the use of this new model as are further explained: The supported trapezoidal soft stool surface changes the traditional four sided stool surface which did not change. It can also provide perfect support for people's gluteal; through a spiral stopper design, to achieve a two-sided use characteristic for a stool with back rest. After being folded, the backrest U-shaped bars, large U-shaped bars and U-shaped bars together are nested into a flat surface, and the stopper can also rotate 90 degrees, being placed in the corner of the collapsed area in the U-shaped bars, thereby saving storage space.

Problems solved by technology

The horizontal bars of the large and small rectangular frames of the stool with back rest located to the front and the back, especially the front horizontal bar which precisely protrudes into the area for the legs, and lacks in comfort.

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