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KR100399791B1 - Chair Having support department of waist - Google Patents

Chair Having support department of waist Download PDF

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Publication number
KR100399791B1
KR100399791B1 KR10-2001-0014153A KR20010014153A KR100399791B1 KR 100399791 B1 KR100399791 B1 KR 100399791B1 KR 20010014153 A KR20010014153 A KR 20010014153A KR 100399791 B1 KR100399791 B1 KR 100399791B1
Authority
KR
South Korea
Prior art keywords
fixed
backrest
frame
chair
plate
Prior art date
Application number
KR10-2001-0014153A
Other languages
Korean (ko)
Other versions
KR20020074286A (en
Inventor
구용서
Original Assignee
성용기업 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 성용기업 주식회사 filed Critical 성용기업 주식회사
Priority to KR10-2001-0014153A priority Critical patent/KR100399791B1/en
Publication of KR20020074286A publication Critical patent/KR20020074286A/en
Application granted granted Critical
Publication of KR100399791B1 publication Critical patent/KR100399791B1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
    • A47C7/462—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by mechanical means
    • A47C7/465—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by mechanical means by pulling an elastic cable
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/42—Support for the head or the back for the back of detachable or loose type
    • A47C7/425—Supplementary back-rests to be positioned on a back-rest or the like

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

본 발명의 허리보조받침부를 구비한 의자는 후방으로 경사작동되는 등받이의 하단에 고정된 신축가능한 허리받침판과, 상기 허리받침판을 등받이의 작동에 따라 자동적으로 연동시키도록 상기 허리받침판의 상단에 일단이 고정되고 하부로 연장되며 타단은 등받이의 하단이 힌지가능하게 고정되며 좌판이 고정된 고정프레임상에 고정된 작동연결부로 구성되며, 상기 작동연결부는 일단이 상기 허리받침판의 상단에 고정되고 하부로 연장되어 좌판이 고정되는 고정프레임에 타단이 고정되는 연결와이어와, 상기 연결와이어가 삽입통과되며 일단이 상기 연결와이어의 상단에서 일정거리 하방으로 위치되어 고정되고 타단은 등받이의 하단 또는 고정프레임에 고정되어 등받이의 회동시 고정프레임과 등받이하단의 이격에 따라 연결와이어가 승강작동되므로서 허리받침판이 휘어지거나 펴지는 작동을 수행한다.The chair having a waist support portion of the present invention has an elastic waist plate fixed to the bottom of the backrest inclined backward operation, and one end at the top of the backrest plate to automatically interlock the waistrest plate according to the operation of the backrest. It is fixed and extends to the bottom and the other end is composed of an operating connection portion fixed on the fixed frame fixed to the lower end of the backrest and the seat plate is fixed, the operation connection end is fixed to the upper end of the backrest plate and extends downward The other end is fixed to the fixed frame to which the seat plate is fixed, and the connection wire is inserted and one end is fixed and positioned below a certain distance from the top of the connection wire, and the other end is fixed to the bottom or the fixed frame of the backrest. When the backrest rotates, the connecting wire moves up and down according to the distance between the fixed frame and the bottom of the backrest. As a result, the lower back plate is bent or extended.

Description

허리보조받침부를 구비한 의자{Chair Having support department of waist}Chair with waist support {Chair Having support department of waist}

본 발명은 허리보조받침부를 구비한 의자에 관한 것으로, 더욱 구체적으로 설명하면, 의자의 등받이의 작동시 등받이가 후방으로 경사작동되면 등받이의 하부에 설치된 허리보조받침부가 전방으로 볼록하게 휘어지면서 돌출되게 작동되어 착용자의 허리부분을 편안하게 받쳐주도록하고 원위치로 복귀시에는 허리보조받침부가 펴지게 되어 원위치로 복귀되어 사용이 편리하고 착용자의 건강을 증진시키는 것이 가능한 등받이의 운동에 연동되어 자동으로 허리보조받침부가 작동되는 허리보조받침부를 구비한 의자에 관한 것이다.The present invention relates to a chair having a waist support, and more specifically, when the backrest is inclined backwards during operation of the backrest of the chair, the lower back support installed in the lower part of the backrest protrudes while convexly curved forward. It is operated to support the wearer's waist comfortably.When returning to the original position, the waist support part is extended to return to the original position, and it is automatically connected to the movement of the backrest, which is convenient to use and promotes the health of the wearer. The present invention relates to a chair having a lower back support which works.

일반적으로 널리 사용되고 있는 의자는 의자사용의 편의성을 향상시키기위하여 휴식시에는 의자의 등받이가 뒤로 젖혀지도록 하고 작업시에는 원위치로 복귀되도록 작동되는 의자가 널리 사용되고 있다. 이러한 등받이가 작동되거나 의자의 좌판과 등받이가 일체로 작동되는 의자는 의자가 뒤로 젖혀질경우 사용자의 몸체가 전부 젖혀지게 되고 이와같이 누운상태에서는 허리부분이 빈공간이 되므로 별도로 허리부분을 받쳐주는 부분이 없어 편안하게 휴식을 취할 수가 없으며,별도로 허리부분을 받쳐주는 부분이 있다고 하여도 의자의 작동과는 관계없이 사용자가 손으로 손잡이를 돌려서 허리받침판을 작동시키게 되므로 사용이 불편하게 되어 효과적으로 사용되지 못하는 문제점이 있었다.In general, a chair that is widely used is widely used to operate the chair so that the back of the chair is folded back when rested and the work is returned to its original position in order to improve the convenience of chair use. When the chair is operated such that the backrest is operated or the seat plate and the backrest of the chair are integrated, the user's body is fully flipped when the chair is flipped backwards. There is no part to rest comfortably, even if there is a part that supports the lower back part, regardless of the operation of the chair, users operate the backrest plate by turning the handle by hand, which makes the user uncomfortable to use effectively There was this.

본 발명의 목적은 이러한 문제점을 해결하기위한 것으로 인체의 가장중요한 부분인 척추를 보다 편안하게 보호하기위하여 의자의 좌석의 경사에 따라 허리부분을 받쳐주는 허리보조받침부가 자동으로 작동되므로서 의자사용자의 허리를 지지하여 주므로서 의자사용자의 건강을 증진시키며 용이하게 작동되어 사용의 편의성이 증진되는 것이 가능한 허리보조받침부를 구비한 의자를 제공하는 것이다.An object of the present invention is to solve this problem is to support the back of the chair according to the inclination of the seat of the chair in order to more comfortably protect the spine which is the most important part of the human body of the chair user It is to provide a chair having a back support that can support the waist and improve the health of the chair user and easily operated to increase the ease of use.

본 발명의 이러한 목적은 후방으로 경사작동되는 등받이의 하단에 고정된 신축가능한 허리받침판과, 상기 허리받침판을 등받이의 작동에 따라 자동적으로 연동시키도록 상기 허리받침판의 상단에 일단이 고정되고 하부로 연장되며 타단은 등받이의 하단이 힌지가능하게 고정되며 좌판이 고정된 고정프레임상에 고정된 작동연결부로 구성되며, 상기 작동연결부는 일단이 상기 허리받침판의 상단에 고정되고 하부로 연장되어 좌판이 고정되는 고정프레임에 타단이 고정되는 연결와이어와, 상기 연결와이어가 삽입통과되며 일단이 상기 연결와이어의 상단에서 일정거리 하방으로 위치되어 고정되고 타단은 등받이의 하단 또는 고정프레임에 고정되어 등받이의 회동시 고정프레임과 등받이하단의 이격에 따라 연결와이어가 승강작동되므로서 허리받침판이 휘어지거나 펴지는 작동을 수행하는 본 발명에 따른 허리보조받침부를 구비한 의자에 의하여 달성된다.This object of the present invention is a stretchable waist support plate fixed to the bottom of the backrest inclined rearwardly, and one end is fixed to the top of the waistrest plate and extended downward to automatically interlock the waistrest plate according to the operation of the backrest. The other end is hingedly fixed to the lower end of the backrest and is composed of an operation connector fixed on the fixed frame is fixed to the seat plate, the operation connector is fixed to the upper end of the lower back plate and extended to the lower seat plate is fixed The other end of the connection wire is fixed to the fixed frame, the connection wire is inserted and one end is fixed to be positioned below the predetermined distance from the top of the connection wire and the other end is fixed to the bottom of the backrest or the fixed frame is fixed when the backrest is rotated As the connecting wire moves up and down according to the distance between the frame and the lower back, It is achieved by a chair having a lumbar support according to the invention which performs the bending or spreading of the plate.

본 발명에 따른 허리보조받침부를 구비한 의자를 첨부된 도면을 참고로 하여 이하에 상세히 기술되는 실시예에 의하여 그 특징 및 장점들을 보다 명백하게 이해할 수 있을 것이다.With reference to the accompanying drawings, a chair having a waist support according to the present invention will be understood more clearly the features and advantages by the embodiments described in detail below.

도1은 본 발명의 일실시예에 따른 허리보조받침부를 구비한 의자의 개략적인 사시도1 is a schematic perspective view of a chair having a lumbar support according to an embodiment of the present invention;

도2는 도1에 도시된 허리보조받침부를 구비한 의자의 개략적인 종단면도FIG. 2 is a schematic longitudinal cross-sectional view of a chair having a lumbar support shown in FIG.

도3a는 허리보조받침부의 작동을 도시한 단면도로서 등받이프레임의 경사시의 작동도Figure 3a is a cross-sectional view showing the operation of the waist support the operation of the back frame inclined

도3b는 허리보조받침부의 작동을 도시한 단면도로서 등받이프레임의 복귀시의 작동도Figure 3b is a cross-sectional view showing the operation of the waist support the operation of the back frame back.

도4a는 본 발명의 다른 실시예에 따른 의자의 작동을 도시한 단면도로서 등받이프레임의 경사시의 작동도Figure 4a is a cross-sectional view showing the operation of the chair according to another embodiment of the present invention the operation of the back frame tilted in operation

도4b는 도4a의 의자의 복귀시의 작동도이다.Fig. 4B is an operation diagram when the chair of Fig. 4A is returned.

* 도면의 주요부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

1. 고정프레임 2. 등받이프레임 3. 허리보조받침부1. Fixed frame 2. Back frame 3. Back support

31. 허리받침판 32. 작동연결부 32a. 연결와이어31. Lumbar support plate 32. Operating connection 32a. Connection wire

32b. 연결관32b. Connector

본 발명에 따른 허리보조받침부를 구비한 의자(A)는, 도면에 도시된 바와같이, 좌판(10)을 고정하는 고정프레임(1)상에 등받이(20)가 부착된 등받이프레임(2)이 회동가능하게 고정되어 있다. 상기 의자(A)의 상기 등받이프레임(2)의 하단에는 등받이프레임(2)의 경사작동시 볼록하게 돌출되고 등받이프레임(2)의 원위치로의 복귀시 펴지면서 다시 원위치로 탄력적으로 복귀되는 허리보조받침부(3)가 설치되어 있다.Chair (A) having a waist support according to the present invention, as shown in the figure, the backrest frame (2) is attached to the backrest 20 is attached to a fixed frame (1) for fixing the seat plate (10) It is fixed rotatably. The lower back of the back frame 2 of the chair (A) is protruding convex in the inclined operation of the back frame (2) and stretched back when returning to the original position of the back frame (2) back elastically returned to its original position The supporting part 3 is provided.

상기 허리보조받침부(3)는 등받이프레임(2)의 등받이(20)의 하단에 고정된 신축가능한 허리받침판(31)과, 상기 허리받침판(31)을 등받이프레임(2)의 작동에 따라 자동적으로 연동시키도록 상기 허리받침판(31)의 상단(31a)에 일단이 고정되고 하부로 연장되며 타단은 등받이프레임(2)을 힌지고정시키는 고정프레임(1)상에 고정되는 작동연결부(32)로 구성된다.The lower back support 3 is an elastic waist support plate 31 fixed to the bottom of the backrest 20 of the backrest frame 2 and the waistrest plate 31 automatically according to the operation of the backrest frame 2. One end is fixed to the upper end 31a of the waist support plate 31 and extends downward so as to be interlocked with the other end to an operation connecting part 32 fixed on the fixing frame 1 which hinges and fixes the backrest frame 2. It is composed.

상기 작동연결부(32)는 일단이 상기 허리받침판(31)의 상단에 고정되고 하부로 연장되어 등받이프레임(2)이 경사회동되게 고정되는 고정프레임(1)에 타단이 고정되는 연결와이어(32a)와, 상기 연결와이어(32a)가 관통되게 내재되고 일단이 상기 연결와이어(32a)의 상단에서 일정거리 하방으로 위치되어 고정되고 타단은 등받이프레임(2)의 하부 또는 고정프레임(1)에 고정되나 본실시예에서는 등받이프레임(2)의 하부에 고정된 플렉시블한 연결관(32b)으로 구성되어 있다. 본실시예에서는 작동연결부(32)가 연결와이어(32a)와 연결관(32b)으로 구성된 것으로 기술되어 있으나 연결와이어만의 구성으로도 가능하다.The operation connecting portion 32 is one end is fixed to the upper end of the backrest plate 31 and extends to the lower connection wire (32a) the other end is fixed to the fixed frame (1) is fixed to the back frame 2 inclined rotation And, the connection wire (32a) is inherent to pass through and one end is fixed to be located at a predetermined distance downward from the top of the connection wire (32a) and the other end is fixed to the lower or fixed frame (1) of the backrest frame (2) In this embodiment, it is composed of a flexible connecting pipe (32b) fixed to the lower part of the backrest frame (2). In the present embodiment, the operation connecting portion 32 is described as consisting of a connecting wire 32a and a connecting pipe 32b, but can also be configured as a connection wire only.

상기 연결와이어(32a)의 허리받침판(31)상에 고정된 일단은 정상위치에서는 상기 연결관(32b)의 고정된 일단이 일정거리로 노출된 노출거리(L)를 가지게 설치되어 있다. 상기 연결와이어(32a)의 노출거리(L)는 상기 등받이프레임(2)의 경사작동시 고정프레임(1)과 등받이프레임(2)이 최대로 벌어지는 최대이격거리(L')보다 동일하거나 약간 길게 형성되는 것이 바람직하다. 만일, 노출거리(L)가 최대이격거리(L')보다 짧을 경우에는 연결와이어(32a)에 과중한 하중이 걸리게 되어 연결와이어(32a)의 손상등의 문제점이 발생될 수 있다.One end fixed on the waist support plate 31 of the connection wire 32a is installed to have an exposed distance L in which a fixed end of the connection pipe 32b is exposed at a predetermined distance in a normal position. The exposure distance L of the connection wire 32a is equal to or slightly longer than the maximum separation distance L 'at which the fixed frame 1 and the backrest frame 2 are maximized during the tilting operation of the backrest frame 2. It is preferably formed. If the exposure distance L is shorter than the maximum separation distance L ', a heavy load is applied to the connection wire 32a, which may cause a problem such as damage to the connection wire 32a.

이와같은 구조를 갖는 본 발명에 따른 허리보조받침부를 갖는 의자(A)는, 도면에 도시된 바와같이, 착용자가 착석하고 휴식을 위하여 등받이프레임(2)을 뒤로 젖힐 경우, 등받이프레임(2)이 뒤로 젖혀지게 되면 고정프레임(1)상에 일단이 고정된 등받이프레임(2)의 하부가 하방으로 하향이동하게 되므로 이격거리(L')가 벌어지게 되므로, 허리받침판(31)의 일단에 고정된 연결와이어(32a)가 하방으로 당겨지면서 허리받침판(31)을 아래로 잡아당기므로 탄성이 있는 허리받침판(31)이 전방으로 휘어지면서 볼록하게 돌출되게 되므로 착석자의 허리부분을 편안하게 지지하는 위치로 돌출형성되게 된다. 이와같은 허리받침판(31)의 돌출작동은 등받이프레임(2)이 젖혀지는 작동이 종료되면 동일하게 종료되어 이상태를 유지하게 되는 것이며 등받이프레임(2)이 다시 원위치로 복귀되면 이격거리(L')가 줄어들게 되므로 연결와이어(32a)는 긴장상태가 해소되어 전방으로 돌출되어 있던 만곡된 허리받침판(31)에는 탄성복원력이 작용되어 서서히 펴지면서 원위치로 복귀되는 것이다.Chair A having a waist support portion according to the present invention having such a structure, as shown in the figure, when the wearer is seated and the back frame 2 is folded back for rest, the back frame 2 is When it is flipped back, since the lower portion of the backrest frame 2 having one end fixed on the fixed frame 1 moves downward, the separation distance L 'is widened, so that it is fixed to one end of the backrest plate 31. As the connection wire 32a is pulled downward, the lower back plate 31 is pulled downward, so that the elastic waist back plate 31 is bent forward and convexly protruded to a position that comfortably supports the waist of the seated person. It will protrude. The protruding operation of the backrest plate 31 is the same when the backrest frame 2 is turned over and ends in the same state. When the backrest frame 2 returns to its original position, the separation distance L 'is returned. Since the connection wire 32a is reduced in tension, the elastic backing force is applied to the curved backrest plate 31 which protrudes forward, and is gradually extended to return to its original position.

도4a,4b는 본 발명의 다른 실시예에 따른 의자(A)의 작동도로서,허리받침판(31)의 하단에 작동연결부(32)의 연결와이어(32a)가 고정되고 상방으로 일정길이 연장되다가 하방으로 절곡연장되는 구조를 갖는 구조로서,착용자가 착석하고 휴식을 위하여 등받이프레임(2)을 뒤로 젖힐 경우, 등받이프레임(2)이 뒤로 젖혀지게 되면 고정프레임(1)상에 일단이 고정된 등받이프레임(2)의 하부가 하방으로 하향이동하게 되므로 이격거리(L')가 벌어지게 되므로, 허리받침판(31)의 하단에 고정된 연결와이어(32a)가 상방으로 당겨지면서 허리받침판(31)을 위로 잡아당기므로 탄성이 있는 허리받침판(31)이 전방으로 볼록하게 돌출되게 되므로 착석자의 허리부분을 편안하게 지지하는 위치로 돌출형성되게 된다. 이와같은 돌출작동은 등받이프레임(2)이 젖혀지는 작동이 종료되면 동일하게 종료되어 이상태를 유지하게 되는 것이며 등받이프레임(2)이 원위치로 복귀되면 연결와이어(32a)는 긴장상태가 해소되어 전방으로 돌출되게 만곡된 허리받침판(31)에는 탄성복원력이 작용되어 서서히 펴지면서 원위치로 복귀되는 것이다.Figure 4a, 4b is a view of the operation of the chair (A) according to another embodiment of the present invention, the connection wire 32a of the operation connecting portion 32 is fixed to the lower end of the backrest plate 31 is extended a predetermined length upwards A structure having a structure that is bent downwardly, when the wearer is seated and leans back the back frame 2 to rest, the back frame is fixed on the fixed frame 1 when the back frame 2 is turned back. Since the lower part of the frame 2 moves downward, the separation distance L 'is widened, so that the connection wire 32a fixed to the lower end of the backrest plate 31 is pulled upward and the backrest plate 31 is pulled upward. Pulled up so that the elastic waist support plate 31 is convexly projected forward so that it is protruded to a position that comfortably supports the waist of the seated person. This protruding operation is maintained in the same state when the back frame 2 is ended and the back frame 2 is returned to its original position. When the back frame 2 returns to its original position, the connecting wire 32a is released from the tensioned state. The lumbar support plate 31 protruded to be protruding is to be returned to its original position while the elastic restoring force is gradually extended.

본 발명에 따른 허리보조받침부를 구비한 의자는 등받이프레임을 뒤로 젖히면 자동으로 허리보조받침부의 허리받침판이 볼록하게 착석자의 허리부분으로 돌출되게 휘어지게 되므로 착석자의 허리를 밀착시키면서 눌러 주게되고 등받이프레임의 원위치로의 복귀시에는 허리받침판이 탄성복원력에의하여 펴지게 되므로서 사용이 대단히 편리하고 사용자의 허리를 보호하게 되는 우수한 효과를 갖는다.When the chair having the back support frame according to the present invention is folded back the back frame, the back support plate of the back support part is automatically curved to protrude convexly to the seat of the seat of the seat, so that the seat of the seat back pressed against the back of the frame When returning to the original position, the waist support plate is stretched by the elastic restoring force, which is very convenient to use and has an excellent effect of protecting the user's waist.

Claims (5)

좌판을 고정하는 고정프레임상에 등받이가 부착된 등받이프레임이 전후로 회동가능하게 고정된 의자에 있어서,A chair in which a backrest frame having a backrest attached to a fixed frame for fixing a seat plate is rotatably fixed to the front and rear, 상기 의자의 상기 등받이프레임의 하단에는 등받이프레임의 경사작동시 볼록하게 돌출되고 등받이프레임의 원위치로의 복귀시 펴지면서 다시 원위치로 탄력적으로 복귀되는 허리보조받침부가 설치되고, 상기 허리보조받침부는 등받이프레임의 등받이부의 하단에 일단이 고정되고 타단은 자유단인 신축가능한 허리받침판과, 상기 허리받침판의 자유단에 일단이 고정되고 하부로 연장되며 타단은 고정프레임상에 고정되는 작동연결부로 구성되어 등받이의 회동시 고정프레임과 등받이하단의 이격에 따라 작동연결부의 연결와이어의 노출거리가 가변되므로서 허리받침판의 자유단이 가동되어 허리받침판이 휘어지거나 펴지는 것을 특징으로 하는 허리보조받침부를 구비한 의자.At the bottom of the backrest frame of the chair, a lower back support portion is installed to protrude convexly when the backrest frame is inclined and stretches upon returning to the original position of the backrest frame. The lower back support portion is provided at the backrest frame. One end is fixed to the lower end of the back of the back and the other end is a flexible waist support plate that is free end, and one end is fixed to the free end of the waist support plate and extends to the lower end and the other end is composed of an operation connector fixed on the fixed frame A chair having a lower back support, characterized in that the free end of the back support plate is bent and the back support plate is bent or unfolded by varying the exposure distance of the connection wire of the operating connector according to the distance between the fixed frame and the lower back end during rotation. 삭제delete 제1항에 있어서, 상기 작동연결부는 일단이 상기 허리받침판의 자유단에 고정되고 하부로 연장되어 고정프레임에 타단이 고정되는 연결와이어와, 상기 연결와이어가 관통되게 내재되고 일단이 상기 연결와이어의 상단에서 일정거리 하방으로 위치되어 상기 허리받침판의 자유단에 고정된 연결와이어의 단부가 일정길이로 노출되는 노출거리를 갖도록 이격 고정되고 타단은 고정프레임 또는 등받이프레임의 하부에 고정된 연결관으로 구성되어 상기 등받이프레임의 작동에 따라 상기 노출거리가 가변되는 것을 특징으로 하는 허리보조받침부를 구비한 의자.According to claim 1, The connecting portion is one end is fixed to the free end of the waist support plate and extends to the lower end and the other end is fixed to the fixed frame, the connection wire is inherent to pass through one end of the connection wire Located at a certain distance from the top and the end of the connection wire fixed to the free end of the backrest plate is fixed so as to have an exposure distance exposed to a predetermined length and the other end is composed of a connector fixed to the lower portion of the fixed frame or backrest frame The chair having a lower back support, characterized in that the exposure distance is variable according to the operation of the back frame. 제3항에 있어서, 상기 작동연결부는 일단이 상기 허리받침판의 상단에 고정되고 하부로 연장되어 고정프레임에 타단이 고정되는 연결와이어만으로 구성된 것을 특징으로 하는 허리보조받침부를 구비한 의자.According to claim 3, The operation connecting portion is a chair having a lower back support, characterized in that only one end is fixed to the upper end of the waist support plate and extends to the bottom and the other end is fixed to the fixed frame. 제1항에 있어서, 상기 작동연결부는 일단이 상기 허리받침판의 하단에 고정되고 고정프레임에 타단이 고정되는 연결와이어와, 상기 연결와이어가 관통되게 내재되고 일단이 상기 연결와이어의 상단에서 일정거리 하방으로 위치되어 고정되고 타단은 고정프레임 또는 등받이프레임의 하부에 고정된 연결관으로 구성된 것을 특징으로 하는 허리보조받침부를 구비한 의자.According to claim 1, The connecting portion is one end is fixed to the lower end of the backrest plate and the other end is fixed to the fixed frame, the connection wire is inherent through the one end is a certain distance downward from the top of the connection wire Positioned and fixed to the other end of the chair having a lower back support, characterized in that consisting of a connector fixed to the lower portion of the frame or backrest frame.
KR10-2001-0014153A 2001-03-19 2001-03-19 Chair Having support department of waist KR100399791B1 (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06133831A (en) * 1992-10-27 1994-05-17 Itoki Crebio Corp Back rest device of chair
JPH0795911A (en) * 1993-09-30 1995-04-11 Itoki Crebio Corp Chair with backrest
JPH0795913A (en) * 1993-09-30 1995-04-11 Itoki Crebio Corp Chair with backrest
JPH07184741A (en) * 1993-12-28 1995-07-25 Itoki Crebio Corp Chair equipped with backrest
JPH10179313A (en) * 1996-12-24 1998-07-07 Itoki Crebio Corp Structure for supporting back rest of chair
JPH10179315A (en) * 1996-12-24 1998-07-07 Itoki Crebio Corp Structure for supporting back rest of chair
KR19990017914U (en) * 1997-11-05 1999-06-05 박지용 Chairs with different tilt angles of the shoulder rest and waist rest

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06133831A (en) * 1992-10-27 1994-05-17 Itoki Crebio Corp Back rest device of chair
JPH0795911A (en) * 1993-09-30 1995-04-11 Itoki Crebio Corp Chair with backrest
JPH0795913A (en) * 1993-09-30 1995-04-11 Itoki Crebio Corp Chair with backrest
JPH07184741A (en) * 1993-12-28 1995-07-25 Itoki Crebio Corp Chair equipped with backrest
JPH10179313A (en) * 1996-12-24 1998-07-07 Itoki Crebio Corp Structure for supporting back rest of chair
JPH10179315A (en) * 1996-12-24 1998-07-07 Itoki Crebio Corp Structure for supporting back rest of chair
KR19990017914U (en) * 1997-11-05 1999-06-05 박지용 Chairs with different tilt angles of the shoulder rest and waist rest

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