Chair having shape memory sponge mounted on backrest

Inactive Publication Date: 2008-10-16
PARK HYUK KOO +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0008]Accordingly, the present invention has been made in view of the above-mentioned problems occurring in the prior art, and it is an object of the present invention to provide a chair having a shape memory sponge mounted on a b

Problems solved by technology

However, the conventional chairs have a generally semi-circular backrest, which fails to safely support a user's spine and back, thereby making him or her feel uncomfortable while sitting thereon.
Alternatively,

Method used

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  • Chair having shape memory sponge mounted on backrest
  • Chair having shape memory sponge mounted on backrest
  • Chair having shape memory sponge mounted on backrest

Examples

Experimental program
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first embodiment

[0021]Hereinafter, an explanation of a chair having a shape memory sponge mounted on a backrest according to the present invention will be given with reference to the attached drawings.

[0022]FIG. 1 is a perspective view showing a chair having a shape memory sponge mounted on a backrest according to a first embodiment of the present invention, FIG. 2 is an exploded perspective view showing the chair of FIG. 1, FIG. 3 is a sectional view taken along the line A-A′ of FIG. 1, and FIG. 4 is a sectional view taken along the line B-B′ of FIG. 1.

[0023]According to a first embodiment of the present invention, there is provided a chair having a shape memory sponge mounted on a backrest, the chair including a seat 10 abutting the user's hips, a backrest 20 connected to the seat 10 at one side thereof and extended upwards so as to support the user's back, and a leg part 30 supporting the seat 10 and the backrest 20.

[0024]The seat 10 is formed by covering a soft and comfortable material on the h...

second embodiment

[0038]FIG. 5 is a perspective view showing a chair having a shape memory sponge mounted on a backrest according to the present invention, FIG. 6 is an exploded perspective view showing the chair of FIG. 5, FIG. 7 is a sectional view taken along the line A-A′ of FIG. 5, and FIG. 8 is a sectional view taken along the line B-B′ of FIG. 5.

[0039]According to the second embodiment of the present invention, there is provided a chair having a shape memory sponge mounted on a backrest, the chair including a seat 10 abutting with the user's hips, a backrest 20 connected to the seat 10 at one side thereof and extending upwardly so as to support the user's back, and a leg part 30 supporting the seat 10 and the backrest 20.

[0040]The backrest 20 includes a backrest frame 22 connected to the seat 10 in such a manner as to extend upwards, the backrest frame 22 having a concave recess 22b formed vertically to a given depth on both sides with respect to the center portion of the front surface thereof...

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PUM

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Abstract

A chair having a shape memory sponge mounted on a backrest is invented that comprises a seat, a backrest, and a set of leg portions for supporting the seat and the backrest. The backrest includes a set of cut holes formed vertically to a given depth at both sides with respect to the center portion of the front surface thereof. A backrest cushion is inserted into each of the cut holes so as to protrude a given distance toward a user's back. The backrest cushion is formed of the shape memory sponge, and a fixing plate mounted at the rear side of each of the cut holes.

Description

BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]The present invention relates to a chair, and more particularly, to a chair having a shape memory sponge mounted on a backrest that can safely protect a user's spine and can be used by all people irrespective of their personal physique.[0003]2. Related Prior Art[0004]Generally, a chair, which is a piece of furniture for a user to sit on in their home or office, includes a seat for supporting the user's hips, a backrest connected to the seat to support the user's back, and a leg part for supporting the seat and the backrest.[0005]Thus, the chair has been considered to be a tool on which a user can comfortably rest his or her body when he or she studies or works, but recently, it is considered to be a piece of furniture providing energizing and supportive feelings to the user so that he or she can obtain high study or work efficiencies. As a result, there have been proposed ergonomic chairs having a seat, a backrest, and ...

Claims

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Application Information

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IPC IPC(8): A47C7/18
CPCA47C7/40A47C7/405A47C27/14C08L2201/12A47C7/00
Inventor PARK, YUN-KYOUNG
Owner PARK HYUK KOO
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