WO2008078865A1

WO2008078865A1 - Sit board for chair

Info

Publication number: WO2008078865A1
Application number: PCT/KR2007/003238
Authority: WO
Inventors: Jong Keun Park
Original assignee: Jong Keun Park
Priority date: 2006-12-22
Filing date: 2007-07-04
Publication date: 2008-07-03
Also published as: KR100702213B1

Abstract

Disclosed is a chair. Each shock absorber is mounted underneath the corresponding segment resulting from division of a seat, and is elastically twisted according to the load of a user, so that it disperses the load applied to the hips of the user to support the hips in a stable balanced manner, thus minimizing the fatigue of the pelvis and spine. Further, since air is smoothly circulated through ventilation spaces formed between the divided segments of the seat, the hips of the user are always kept dry, so that diseases such as inflammation of the prostate, piles, etc. can be preemptively prevented.

Description

Description SIT BOARD FOR CHAIR

Technical Field

[1] The present invention relates to a chair.

Background Art

[2] The present invention relates, in general, to a chair, and more particularly, to a seat for chairs, in which shock absorbers are mounted underneath corresponding segments resulting from division of the seat, so that the load applied to the hips of the user is dispersed to support the hips in a stable and balanced manner, thus minimizing the fatigue of the pelvis and spine, and in which air is smoothly circulated through ventilation spaces formed between the divided segments of the seat, and thus the hips of the user are always kept dry, so that diseases such as inflammation of the prostate, piles, etc. can be preemptively prevented.

[3] In general, chairs are contraptions for sitting, and are manufactured scientifically so as to be able to physically support more natural posture in consideration of the influence on the human body.

[4] Further, because a user sits in the chair for a long time when using the chair in the office or at home, the user is generally aware that a comfortable chair can promote his/ her health. For this reason, chairs having various seats have been put on the market.

[5] A typical chair 10 includes: a seat 11, which supports the hips of the human body; a backrest 2, which is formed upwards from the rear of the seat 11 and supports the back of the user; a bearing axle 13, which supports the load of the user at the lower center of the seat; a plurality of wheels 14, which make movement easy at the lower end of the bearing axle 13; and a pair of armrests 15, each of which extends upward from a lower portion of the seat and supports a corresponding arm of the user.

[6] This known chair does not properly disperse the load of the user because the hips of the human body are in close contact with the seat having an ordinary shape. As such, after sitting for a long time, the user feels fatigued. Further, the seat of the chair is not ventilated, so that sweat is formed at the hips of the user, giving rise to anal diseases. Disclosure of Invention

Technical Problem

[7] Accordingly, the present invention has been made in an effort to solve the problems occurring in the related art, and an object of the present invention is to provide a seat for chairs, in which shock absorbers are mounted underneath corresponding segments resulting from division of the seat, and are elastically twisted according to the load of a user, so that the load applied to the hips of the user is dispersed to support the hips in a stable balanced manner, thus minimizing the fatigue of the pelvis and spine, and in which air is smoothly circulated through ventilation spaces formed between the divided segments of the seat, and thus the hips of the user are always kept dry, so that diseases such as inflammation of the prostate, piles, etc. can be preemptively prevented in advance.

[8] In order to achieve the above object, according to one aspect of the present invention, there is provided a chair, which comprises: a seat, which supports the hips of a human body, and is divided so as to form ventilation spaces; shock absorbers, each of which is mounted underneath the seat, and disperses a load of the human body while being elastically twisted according to the load of the human body; and protective members, which protrude downward from corners of the lower portion of the seat and protect the shock absorbers. Advantageous Effects

[9] As described above, according to the present invention, each shock absorber is mounted underneath the corresponding segment resulting from division of a seat, and is elastically twisted according to the load of a user, so that it disperses the load applied to the hips of the user to support the hips in a stable balanced manner, thus minimizing the fatigue of the pelvis and spine. Further, since air is smoothly circulated through ventilation spaces formed between the divided segments of the seat, the hips of the user are always kept dry, so that diseases such as inflammation of prostate, piles, etc. can be preemptively prevented. Brief Description of the Drawings

[10] FIG. 1 is a perspective view illustrating a known chair;

[11] FIG. 2 is perspective view of the present invention;

[12] FIG. 3 is a perspective view illustrating a chair to which the present invention is applied;

[13] FIG. 4 is a sectional view taken along the line A-A' of the present invention;

[14] FIG. 5 is a sectional view taken along the line B-B' of the present invention;

[15] FIGS. 6 and 7 are sectional views illustrating the operation of the present invention, wherein FIG. 6 shows the state in which respective segments of a seat move to the left and right, and FIG. 7 shows the state in which respective segments of a seat move forward and backward;

[16] FIG. 8 is a perspective view illustrating a chair to which a seat divided into two segments is applied in accordance with another embodiment of the present invention; and

[17] FIG. 8 is a perspective view illustrating a chair to which a seat divided into four segments is applied in accordance with yet another embodiment of the present invention.

[18] <Description of Reference Numbers of Main Parts in Drawings>

[19] 100: seat, 200: shock absorber

[20] 210: cushion rubber, 220: protective cap

[21] 230, 240: upper and lower brackets, 250: fastening member

[22] 260: lower plate, 300: protective member

Mode for the Invention

[23] Hereinafter, an embodiment of the invention will be described with reference to the accompanying drawings. FIG. 2 is a perspective view of the present invention. FIG. 3 is a perspective view illustrating a chair to which the present invention is applied. FIG. 4 is a sectional view of the present invention. FIG. 5 is a view illustrating the operation of the present invention.

[24] The chair of the present invention comprises: a seat 100, which supports the hips of a human body, and is divided so as to form ventilation spaces 110; shock absorbers 200, each of which is mounted underneath the seat 100, and disperses a load of the human body while being elastically twisted according to the load of the human body; and protective members 300, which protrude downward from corners of the lower portion of the seat 100 and protect the shock absorbers 200. These components will be described below in greater detail.

[25] Each shock absorber 200 includes: a protective cap 210, which is installed around the outer circumference of a cushion rubber 210, dispersing the load of the human body, and protects the cushion rubber 210 from being damaged; upper and lower brackets 230 and 240, which are coupled to upper and lower ends of the cushion rubber 210; fastening members 250, which fixedly fasten the seat 100 to an upper portion of the upper bracket 230; and a lower plate 260, which is fastened to a lower portion of the lower bracket 240 using the fastening members 250.

[26] Further, the seat 100 is equally divided into two segments, three segments, or four segments.

[27] The assembled state of the present invention, constructed in this way, will be described below.

[28] First, as illustrated in FIGS. 4 and 5, the upper bracket 230 is fastened to a lower portion of the respective segment of the seat 100 using the fastening members 250, and the lower bracket 240 is spaced apart from the lower portion of the lower bracket 230 by a predetermined interval, and then is fastened to the lower plate 260 using the fastening members 250.

[29] Further, each protective cap 210, which functions to protect the corresponding cushion rubber 210, is fitted around the cushion rubber 210, which performs a damping action and disperses the load of the human body, such that the cushion rubber 210 is not exposed to the outside, and then opposite ends of the cushion rubber 210 are fixed to the upper and lower brackets 230 and 240 so as to prevent deviation of the cushion rubber 210.

[30] Each cushion rubber 210 is made of rubber, and is resilient enough to perform damping action while withstanding the load of a user who sits on the seat 100.

[31] In this manner, each shock absorber 200, which is coupled to the lower portion of the seat 100, is fixed to the upper portion of a known bearing axle 13. Thereby, the assembly of the chair is completed.

[32] Now, the operation of the assembled chair according to the present invention will be described in detail. First, as illustrated in FIGS. 6 and 7, when the user conducts business or works while sitting on the divided seat 100, the situation in which the user sits for a long time may occur.

[33] At this time, the user moves his/her body in order to avoid the accumulation of fatigue, and thus his/her hips, which are in close contact with the seat, move naturally on the seat 100. When the hips of the user move on the seat 100, the divided segments of the seat 100 are displaced by the twisting of the cushion rubbers 210.

[34] As described above, when the user moves his/her body, the divided segments of the seat 100 move independently according to the load applied during movement, and properly disperse the load of the user due to the elastic twisting of the cushion rubbers 210.

[35] Further, since air is smoothly circulated through the ventilation spaces 110 formed between the divided segments of the seat 100, no sweat accumulates on the hips even when the user sits for a long time, so that diseases such as inflammation of the prostate, piles, etc. can be preemptively prevented.

[36] In another embodiment of the present invention, as illustrated in FIG. 8, the seat

100 is equally divided into two segments, and twisting is reduced because segments are relatively small compared to the seat 100 which is divided into three segments. In yet another embodiment of the present invention, as illustrated in FIG. 9, the seat 100 is equally divided into four segments for individual movement, and thus performs more minute twisting action compared to the seat 100 which is divided into three segments, so that it can support the hips of the user in a stable balanced manner while dispersing the load of the user.

[37] As described above, the seat 100 can be divided into two segments, three segments, or four segments according to the taste of the user or the place at which the seat is to be used, and most preferably into three segments.

Claims

[ 1 ] A chair comprising: a seat (100), which supports hips of a human body, and is divided so as to form ventilation spaces (110); shock absorbers (200), each of which is mounted to an underside of the seat

(100), and disperses a load of the human body while being elastically twisted according to the load of the human body; and protective members (300), which protrude downward from corners of the underside of the seat (100), and protect the shock absorbers (200).

[2] The chair according to claim 1, wherein each shock absorber (200) includes: a protective cap (210), which is installed around an outer circumference of a cushion rubber (210) dispersing the load of the human body, and protects cushion rubber (210) from being damaged; upper and lower brackets (230 and 240), which are coupled to upper and lower ends of the cushion rubber (210); fastening members (250), which fixedly fasten the seat 100 to an upper portion of the upper bracket (230); and a lower plate (260), which is fastened to an underside of the lower bracket (240) using the fastening members (250).

[3] The chair according to claim 1, wherein the seat (100) is equally divided into any one of two segments, three segments, and four segments.