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WO2013089308A1 - Lumbar support apparatus for a chair - Google Patents

Lumbar support apparatus for a chair Download PDF

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Publication number
WO2013089308A1
WO2013089308A1 PCT/KR2012/000301 KR2012000301W WO2013089308A1 WO 2013089308 A1 WO2013089308 A1 WO 2013089308A1 KR 2012000301 W KR2012000301 W KR 2012000301W WO 2013089308 A1 WO2013089308 A1 WO 2013089308A1
Authority
WO
WIPO (PCT)
Prior art keywords
pin
chair
lumbar support
support pad
bracket
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2012/000301
Other languages
French (fr)
Korean (ko)
Inventor
박종표
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sidiz Inc
Original Assignee
Sidiz Inc
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 Sidiz Inc filed Critical Sidiz Inc
Priority to CN201280061846.5A priority Critical patent/CN104159475B/en
Publication of WO2013089308A1 publication Critical patent/WO2013089308A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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—Supports for the head or the back
    • A47C7/40—Supports for the head or the back for the back
    • A47C7/46—Supports for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
    • 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—Supports for the head or the back
    • A47C7/40—Supports for the head or the back for the back
    • A47C7/46—Supports for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
    • A47C7/462—Supports 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
    • 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

Definitions

  • Apparatus for supporting a lumbar vertebrae for a chair of the present invention and more specifically, the user can easily adjust the height and the front and rear adjustment, the user convenience is improved, the parts score is reduced and assembled It relates to a lumbar support device that can simplify the process.
  • the chair is composed of a back portion for supporting the user's back and a seat portion for supporting the hip portion of the user.
  • the chair may not have the backrest part depending on the type, and may change the inclination or shape of the backrest part in various ways.
  • in order to support the lumbar spine of the human body may bend the lower back portion or install a separate lumbar support.
  • Korean Patent Laid-Open Publication No. 2003-0059580 discloses a chair having a lumbar support.
  • the prior document discloses a structure in which a pair of support members are coupled to the frame of the backrest, and the lumbar support member, which is an eccentric rod, is coupled between the pair of support members so as to be movable. Not only this inconvenience, but also insufficient control there is a problem that the eccentric rod gives pressure to the lumbar spine.
  • An object of the present invention is to provide a lumbar support device that can be easily adjusted by the user to adjust the height and the front and rear, the user convenience is improved, the number of parts is reduced and the assembly process can be simplified.
  • the fixed frame is fixed to the back of the chair, coupled to the fixed frame by the vertical adjustment means and the front and rear adjustment means, in the vertical direction It includes a moving support pad, the front and rear adjustment means, the cam is formed on one side surface, the front and rear adjustment handle is integrally formed on the outer circumferential surface and the user is operable, and disposed on the inclined surface of the cam and the support pad It is coupled to the side, and includes a pin for moving the support pad in the front and rear direction while moving along the inclined surface during the rotation of the cam.
  • the front and rear adjustment means may further include a compression spring to elastically support the front and rear movement of the pin.
  • the vertical adjustment means may include a rail provided on the fixed frame and a curved shape, and a bracket provided on the support pad and configured to move up and down by engaging the rail.
  • the vertical adjustment means may be formed integrally with the support pad may further include a vertical adjustment handle portion that the user can hold and move in the vertical direction.
  • the bracket includes a cylinder portion coupled to the support pad, the cam is inserted therein, a slider protruding from the outer circumferential surface of the cylinder portion and engaged with the rail to move along the rail,
  • the tube portion may be formed with a slot for guiding the pin to move in the front and rear directions.
  • the support pad is provided with a housing portion to insert the bracket, the housing portion is formed with a through hole through which the pin penetrates, and the pin penetrating the through hole is fastened and fixed to the housing portion.
  • the housing portion is formed with a through hole through which the pin penetrates, and the pin penetrating the through hole is fastened and fixed to the housing portion.
  • a bracket cover is snap-coupled to the tubular portion of the bracket, and may further include a compression spring that connects the bracket cover and the pin to impart an elastic force when the pin moves forward and backward.
  • the lumbar support device of the chair according to the present invention is configured to be movable up and down and the front and rear directions, so that the height and the front and rear position can be adjusted according to the user's body shape, so that the lumbar support effect and comfort can be improved.
  • the lumbar support device of the chair according to the present invention the front and rear adjustment means for moving the support pad in the front and rear direction, the cam is formed integrally with the handle portion, and moves along the inclined surface of the cam while moving the support pad in the front and rear direction
  • the structure is very simple, the number of parts is reduced, there is an advantage that the assembly is improved.
  • the user can adjust the height by raising or lowering the support pad even when the user does not know how to use it separately. Can be improved.
  • the lumbar support device of the chair according to the present invention is provided with a compression spring that elastically supports the pin, there is an advantage that the tension is maintained when the pin is moved forward and backward to improve the operation sensitivity.
  • the vertical adjustment means for moving the support pad in the vertical direction is provided with a separate handle including a rail and a bracket provided on the support pad to move along the rail. Since it is not necessary, not only the structure is simple and there is an advantage that the assembly is simple, but also the user can be improved because the height can be adjusted by holding the support pad up or down.
  • FIG. 1 is a view showing a chair equipped with a lumbar support device according to an embodiment of the present invention.
  • Figure 2 is a perspective view of the lumbar support device according to an embodiment of the present invention.
  • Figure 3 is an exploded perspective view of the lumbar support device shown in FIG.
  • FIG. 4 is a view of the lumbar support device seen from the direction A in FIG.
  • FIG. 5 is a cross-sectional view taken along a line A-A of FIG. 4.
  • FIG. 6 is a cross-sectional view taken along line B-B of FIG. 4.
  • FIG. 7 is a perspective view of a partially cut support pad shown in FIG. 2.
  • FIG. 8 is a perspective view of a partially cut bracket in FIG. 7.
  • FIG. 9 is an exploded perspective view illustrating the back of the support pad shown in FIG. 2.
  • FIG. 10 is a perspective view showing a coupling state of the bracket and the cam according to the embodiment of the present invention.
  • FIG. 11 is a perspective view showing the back of the cam according to an embodiment of the present invention.
  • FIG. 1 is a view showing a chair equipped with a lumbar support device according to an embodiment of the present invention.
  • Figure 2 is a perspective view of the lumbar support device according to an embodiment of the present invention.
  • Figure 3 is an exploded perspective view of the lumbar support device shown in FIG. 4 is a view of the lumbar support device seen from the direction A in FIG.
  • FIG. 5 is a cross-sectional view taken along a line A-A of FIG. 4.
  • FIG. 6 is a cross-sectional view taken along line B-B of FIG. 4.
  • FIG. 7 is a perspective view of a partially cut support pad shown in FIG. 2.
  • FIG. 8 is a perspective view of a partially cut bracket in FIG. 7.
  • FIG. 9 is an exploded perspective view illustrating the back of the support pad shown in FIG. 2.
  • Figure 10 is a perspective view showing a coupling state of the bracket and the cam according to an embodiment of the present invention.
  • Figure 11 is a perspective view showing the back of the cam
  • a chair 1 according to an embodiment of the present invention includes a backrest 2, a seating portion 4, and a leg portion 6 supporting the seating portion 4.
  • the back of the backrest 2 is provided with a lumbar support device 10 for supporting the lumbar spine of the human body.
  • the lumbar support device 10 is fixed to the backrest part 2 and the backrest part 2, and is in contact with the backrest part 2 and coupled to the fixed frame 30. It includes a support pad 20 for supporting the lumbar spine of the human body.
  • the support pad 20 is coupled to the fixed frame 30 by the up and down adjustment means 40 and the front and rear adjustment means 50, and is movable up and down and forward and backward directions.
  • the support pad 20 includes a pad part 21 made of a foam material and a frame part 22 supporting the pad part 21.
  • the support pad 20 further includes a housing part 26 protruding rearward from the rear surface of the frame part 22.
  • the housing portion 26 may be formed in a cylindrical shape so that the bracket 44 to be described later is inserted.
  • the housing part 26 is integrally formed with the frame part 22.
  • the housing part 26 has a through hole 26a through which the pin 70 to be described later penetrates.
  • the vertical adjustment means 40 is provided on the rail 42 provided on the fixing frame 30 and the support pad 20, and is engaged with the rail 42 to move up and down. It includes a bracket 44 formed to move in the direction, and the upper and lower adjustment handle 24 formed so that the user can move in the vertical direction.
  • the rail 42 is formed in a curved shape having a predetermined curvature to move along the waist line of the human body.
  • the rail 42 is formed by bending the plate portion 42a fastened to the fixed frame 30 and a 'c' shape on both left and right sides of the plate portion 42a, and thus will be described later. And a guide groove 42b into which the insertion portion 48a is inserted.
  • the front surface of the rail 42 is formed with a locking groove 42c in which the locking projection of the bracket 44 to be described later is continuously formed in the vertical direction.
  • the bracket 44 is coupled to the support pad 20, and has a cylindrical portion 46 formed in a cylindrical shape, protrudes from an outer circumferential surface of the cylindrical portion 46, and meshes with the rail 42 to engage the rail 42. It includes a slider 48 to move along.
  • the slider 48 of the bracket 44 is provided with a pair on both left and right sides of the barrel 46.
  • the slider 48 has an insertion portion 48a inserted into the guide groove 42b of the rail 42 and a locking portion 48b having projections formed to be engaged with the locking groove 42c of the rail 42. Include.
  • the insertion portion 48a and the locking portion 48b are integrally formed.
  • the tubular portion 46 of the bracket 44 is formed with a slot 46a for guiding the pin 70, which will be described later, to move forward and backward.
  • the tubular portion 46 of the bracket 44 has an open rear surface, and the bracket cover 80 is coupled to the opened rear surface.
  • the bracket cover 80 may be snap coupled to the bracket 44.
  • the bracket cover 80 is formed with a fitting portion 82 so that the compression spring 74 to be described later.
  • the upper and lower adjustment handle 24 may be formed integrally with the support pad 20, and in this embodiment, protruded from the upper left and right sides of the frame portion 22 of the support pad 20. Listen and explain.
  • the front and rear adjustment means 50 is disposed on an inclined surface 60a of the cam 60 and an inclined surface 60a of the cam 60, and the cam 60 is rotated. And a pin 70 moving back and forth along the inclined surface 60a.
  • the cam 60 is formed in a cylindrical shape and is formed integrally with the front and rear adjustment knob 62 which can be rotated by the user on the outer peripheral surface.
  • a locking groove is continuously formed along the circumferential direction of the inclined surface 60a such that the pin 70 is intermittently engaged.
  • the pin 70 sequentially penetrates the through hole 26a of the housing part 26 of the support pad 20 and the slit 46 of the bracket 44, and then the fastening member ( 72 is fastened and fixed to the housing part 26. Accordingly, the pin 70 is movable forward and backward in the slit 46 of the bracket 44 and is integrally coupled with the housing part 26, so that the support pad is moved when the pin 70 moves forward and backward. 20 will move together.
  • front and rear adjustment means 50 further includes a compression spring 74 for elastically supporting the front and rear movement of the pin (70).
  • one end of the compression spring 74 is coupled to the fitting portion 82 of the bracket cover 80, and the other end is fitted to the pin 70.
  • the cam 60 is inserted into the tubular portion 46 of the bracket 44, and the bracket cover 80 is snap-coupled to the rear surface of the tubular portion 46. At this time, the front and rear adjustment knob 62 of the cam 60 may be exposed to the outside.
  • the bracket 44 is inserted into the housing part 26 of the support pad 20, and the pin 70 is inserted into the through hole 26 of the housing part 26 and the slit 26a of the bracket 44. ) In order to penetrate and fix it with the fastening member 72. Thus, the bracket 44 is coupled to the support pad 20 to be integrated.
  • bracket 44 is assembled to the rail 42.
  • the rail 42 may be fastened and fixed to the fixing frame 30.
  • the lumbar support device 10 configured as described above has the advantage of having a very small number of parts and a simple structure, which makes assembly very easy.
  • the operation of the lumbar support device 10 configured as described above is as follows.
  • the user can raise or lower the upper and lower adjustment knob 24 of the support pad 20 to lower.
  • the user can of course hold the other portion of the support pad 20 other than the vertical adjustment handle 24 to move in the vertical direction.
  • the bracket 44 integrally coupled to the support pad 20 may be slidably moved up and down along the rail 42.
  • the user can operate by pressing or pulling the front and rear adjustment knob 62.
  • the cam 60 integrally formed with the front and rear adjustment knob 62 is rotated, and the pin 70 is moved forward or backward along the inclined surface 60a. . Since the pin 70 is fastened and fixed to the housing part 26 of the support pad 20, the housing part 26 moves together with the movement of the pin 70.
  • the support pad 20 is pushed forward by the pin 70, so that the support pad 20 can be adjusted back and forth.
  • the pin 70 is elastically supported by the compression spring 74, the tension can be maintained in the front and rear direction adjustment. That is, there is a possibility that the operation sensitivity may decrease when the housing portion 26 moves by the operation of the front and rear adjustment knob 62, but a certain portion restoring force during the movement of the housing portion 26 by the elastic force of the compression spring 74 is increased.
  • the operation sensitivity of the front-back adjustment handle part 62 improves.
  • a lumbar support device that can improve user convenience, reduce the number of parts, and simplify the assembly process.

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  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

The present invention relates to a lumbar support apparatus for a chair. In the lumbar support apparatus for a chair, since a support pad is movable in the up/down and front/rear directions so that the height and front/rear position are adjusted according to the body type of the user, lumbar support and comfort may be improved. Also, the lumbar support apparatus for a chair according to the present invention includes: a cam in which a front/rear adjustment unit for moving the support pad in the front/rear directions is integrated with a handle part; and a pin for allowing the support to move in the front/rear directions while being moved along the inclined surface of the cam. Thus, the lumbar support apparatus may have a simple structure to improve ease of assembly. In addition, the user may easily manipulate the lumbar support apparatus.

Description

의자의 요추 지지장치 Lumbar support of chair

본 발명의 의자의 요추 지지장치(Apparatus for supporting a lumbar vertebrae for a chair)에 관한 것으로서, 보다 상세하게는 사용자가 용이하게 높낮이와 전후 조절을 할 수 있어 사용자 편의성이 향상되고, 부품점수가 줄어들고 조립공정을 단순화할 수 있는 요추 지지장치에 관한 것이다. Apparatus for supporting a lumbar vertebrae for a chair of the present invention, and more specifically, the user can easily adjust the height and the front and rear adjustment, the user convenience is improved, the parts score is reduced and assembled It relates to a lumbar support device that can simplify the process.

일반적으로 의자는 사용자의 등을 지지하는 등받이부와, 사용자의 엉덩이 부분을 지지하는 좌석부로 구성된다. 상기 의자는 종류에 따라 상기 등받이부가 없는 것도 있고, 상기 등받이부의 경사나 형상을 다양하게 변화시킬 수 있다. 또한, 인체의 요추를 지지하기 위해 상기 등받이부의 하측을 굴곡시키거나 별도의 요추 지지대를 설치하기도 한다. In general, the chair is composed of a back portion for supporting the user's back and a seat portion for supporting the hip portion of the user. The chair may not have the backrest part depending on the type, and may change the inclination or shape of the backrest part in various ways. In addition, in order to support the lumbar spine of the human body may bend the lower back portion or install a separate lumbar support.

선출원된 한국공개특허 제2003-0059580호에서는 요추지지대를 갖춘 의자가 개시되어 있다. 상기 선행문헌에는 등받이의 프레임에 한 쌍의 지지부재가 결합되고, 상기 한 쌍의 지지부재 사이에 편심봉으로 된 요추받이부재가 상하이동가능토록 결합되는 구조가 개시되어 있으나, 상하 조절 및 전후 조절이 불편할 뿐만 아니라 조절성이 미흡하여 편심봉이 요추에 압박감을 주게 되는 문제점이 있다. Korean Patent Laid-Open Publication No. 2003-0059580 discloses a chair having a lumbar support. The prior document discloses a structure in which a pair of support members are coupled to the frame of the backrest, and the lumbar support member, which is an eccentric rod, is coupled between the pair of support members so as to be movable. Not only this inconvenience, but also insufficient control there is a problem that the eccentric rod gives pressure to the lumbar spine.

본 발명의 목적은, 사용자가 용이하게 높낮이와 전후 조절을 할 수 있어 사용자 편의성이 향상되고, 부품점수가 줄어들고 조립공정을 단순화할 수 있는 요추 지지장치를 제공하는 데 있다. An object of the present invention is to provide a lumbar support device that can be easily adjusted by the user to adjust the height and the front and rear, the user convenience is improved, the number of parts is reduced and the assembly process can be simplified.

상기한 과제를 해결하기 위한 본 발명에 따른 의자의 요추 지지장치는, 의자의 등받이부에 고정되는 고정 프레임과, 상기 고정 프레임에 상하조절수단과 전후조절수단에 의해 결합되어, 상하 및 전후방향으로 이동하는 지지패드를 포함하고, 상기 전후조절수단은, 일측면에 경사면이 형성되고, 외주면에 사용자가 조작할 수 있는 전후조절 손잡이부가 일체로 형성된 캠과, 상기 캠의 경사면에 배치되고 상기 지지패드측에 결합되어, 상기 캠의 회전시 상기 경사면을 따라 이동하면서 상기 지지패드를 전후방향으로 이동시키는 핀을 포함한다.The lumbar support device of the chair according to the present invention for solving the above problems, the fixed frame is fixed to the back of the chair, coupled to the fixed frame by the vertical adjustment means and the front and rear adjustment means, in the vertical direction It includes a moving support pad, the front and rear adjustment means, the cam is formed on one side surface, the front and rear adjustment handle is integrally formed on the outer circumferential surface and the user is operable, and disposed on the inclined surface of the cam and the support pad It is coupled to the side, and includes a pin for moving the support pad in the front and rear direction while moving along the inclined surface during the rotation of the cam.

본 발명에 있어서, 상기 전후조절수단은, 상기 핀의 전후방향 이동을 탄성적으로 지지하는 압축 스프링을 더 포함할 수 있다.In the present invention, the front and rear adjustment means may further include a compression spring to elastically support the front and rear movement of the pin.

본 발명에 있어서, 상기 상하조절수단은, 상기 고정 프레임에 구비되고 곡면 형상으로 이루어진 레일과, 상기 지지패드에 구비되고 상기 레일에 맞물려서 상하방향으로 이동하도록 형성된 브래킷을 포함할 수 있다. In the present invention, the vertical adjustment means may include a rail provided on the fixed frame and a curved shape, and a bracket provided on the support pad and configured to move up and down by engaging the rail.

본 발명에 있어서, 상기 상하조절수단은, 상기 지지패드에 일체로 형성되어 사용자가 잡고 상하방향으로 움직일 수 있는 상하조절 손잡이부를 더 포함할 수 있다. In the present invention, the vertical adjustment means may be formed integrally with the support pad may further include a vertical adjustment handle portion that the user can hold and move in the vertical direction.

본 발명에 있어서, 상기 브래킷은, 상기 지지패드에 결합되고, 내부에 상기 캠이 삽입되는 통부와, 상기 통부의 외둘레면에서 돌출되고 상기 레일에 맞물려서 상기 레일을 따라 이동하는 슬라이더를 포함하고, 상기 통부에는, 상기 핀이 관통되어 전후방향으로 이동하도록 안내하는 슬롯이 형성될 수 있다. In the present invention, the bracket includes a cylinder portion coupled to the support pad, the cam is inserted therein, a slider protruding from the outer circumferential surface of the cylinder portion and engaged with the rail to move along the rail, The tube portion may be formed with a slot for guiding the pin to move in the front and rear directions.

본 발명에 있어서, 상기 지지패드에는 상기 브래킷이 삽입되도록 하우징부가 구비되고, 상기 하우징부에는 상기 핀이 관통하는 관통홀이 형성되어, 상기 관통홀을 관통한 상기 핀은 상기 하우징부에 체결 고정될 수 있다. In the present invention, the support pad is provided with a housing portion to insert the bracket, the housing portion is formed with a through hole through which the pin penetrates, and the pin penetrating the through hole is fastened and fixed to the housing portion. Can be.

본 발명에 있어서, 상기 브래킷의 통부에는 브래킷 커버가 스냅 결합되고, 상기 브래킷 커버와 상기 핀을 연결하여, 상기 핀의 전후방향 이동시 탄성력을 부여하는 압축 스프링을 더 포함할 수 있다. In the present invention, a bracket cover is snap-coupled to the tubular portion of the bracket, and may further include a compression spring that connects the bracket cover and the pin to impart an elastic force when the pin moves forward and backward.

본 발명에 따른 의자의 요추 지지장치는, 지지패드를 상하 및 전후방향으로 이동가능하도록 구성되어, 사용자의 체형에 따른 높이나 전후 위치 조절이 가능해지기 때문에 요추지지 효과 및 안락감이 향상될 수 있다. The lumbar support device of the chair according to the present invention is configured to be movable up and down and the front and rear directions, so that the height and the front and rear position can be adjusted according to the user's body shape, so that the lumbar support effect and comfort can be improved.

또한, 본 발명에 따른 의자의 요추 지지장치는, 지지패드를 전후방향으로 이동시키는 전후조절수단이, 손잡이부가 일체로 형성된 캠과, 상기 캠의 경사면을 따라 이동하면서 지지패드를 전후방향으로 움직이게 하는 핀을 포함하도록 함으로써, 구조가 매우 간단하여 부품점수가 줄어들고, 조립성이 향상되는 이점이 있다. In addition, the lumbar support device of the chair according to the present invention, the front and rear adjustment means for moving the support pad in the front and rear direction, the cam is formed integrally with the handle portion, and moves along the inclined surface of the cam while moving the support pad in the front and rear direction By including the pin, the structure is very simple, the number of parts is reduced, there is an advantage that the assembly is improved.

또한, 사용자가 별도로 사용법을 숙지하지 않은 상태에서도 지지패드를 올리거나 내림으로써 높낮이 조절이 가능하고, 전후조절 손잡이부를 잡고 누르거나 당기는 간단한 조작으로 지지패드를 전후방향으로 위치 조절할 수 있기 때문에 사용 편의성이 향상될 수 있다. In addition, the user can adjust the height by raising or lowering the support pad even when the user does not know how to use it separately. Can be improved.

또한, 본 발명에 따른 의자의 요추 지지장치는, 핀을 탄성적으로 지지하는 압축 스프링이 구비됨으로써, 상기 핀의 전후방향 이동시 텐션이 유지되어 조작 감도가 향상될 수 있는 이점이 있다. In addition, the lumbar support device of the chair according to the present invention is provided with a compression spring that elastically supports the pin, there is an advantage that the tension is maintained when the pin is moved forward and backward to improve the operation sensitivity.

또한, 본 발명에 따른 의자의 요추 지지장치는, 지지패드를 상하방향으로 이동시키는 상하조절수단이, 레일과, 상기 레일을 따라 이동하도록 상기 지지패드에 구비된 브래킷을 포함하여 별도의 손잡이가 구비되지 않아도 되기 때문에, 구조가 간단해지고 조립이 간편해지는 이점이 있을 뿐만 아니라, 사용자가 상기 지지패드를 잡고 올리거나 내림으로써 높낮이 조절이 가능하므로 사용 편의성이 향상될 수 있다. In addition, the lumbar support device of the chair according to the present invention, the vertical adjustment means for moving the support pad in the vertical direction is provided with a separate handle including a rail and a bracket provided on the support pad to move along the rail. Since it is not necessary, not only the structure is simple and there is an advantage that the assembly is simple, but also the user can be improved because the height can be adjusted by holding the support pad up or down.

도 1은 본 발명의 실시예에 따른 요추 지지장치가 구비된 의자가 도시된 도면이다.1 is a view showing a chair equipped with a lumbar support device according to an embodiment of the present invention.

도 2는 본 발명의 실시예에 따른 요추 지지장치가 도시된 사시도이다.Figure 2 is a perspective view of the lumbar support device according to an embodiment of the present invention.

도 3은 도 2에 도시된 요추 지지장치의 분해 사시도이다.Figure 3 is an exploded perspective view of the lumbar support device shown in FIG.

도 4는 도 2에서 A방향에서 본 요추 지지장치의 도면이다.4 is a view of the lumbar support device seen from the direction A in FIG.

도 5는 도 4의 A-A선 방향에서 본 단면도이다.FIG. 5 is a cross-sectional view taken along a line A-A of FIG. 4.

도 6은 도 4의 B-B선 방향에서 본 단면도이다. FIG. 6 is a cross-sectional view taken along line B-B of FIG. 4.

도 7은 도 2에 도시된 지지패드를 일부 절개하여 도시한 사시도이다.FIG. 7 is a perspective view of a partially cut support pad shown in FIG. 2.

도 8은 도 7에서 브래킷을 일부 절개하여 도시한 사시도이다.FIG. 8 is a perspective view of a partially cut bracket in FIG. 7.

도 9는 도 2에 도시된 지지패드 배면이 도시된 분해 사시도이다. FIG. 9 is an exploded perspective view illustrating the back of the support pad shown in FIG. 2.

도 10은 본 발명의 실시예에 따른 브래킷과 캠의 결합상태가 도시된 사시도이다.10 is a perspective view showing a coupling state of the bracket and the cam according to the embodiment of the present invention.

도 11은 본 발명의 실시예에 따른 캠의 배면이 도시된 사시도이다. 11 is a perspective view showing the back of the cam according to an embodiment of the present invention.

이하, 본 발명의 실시예에 따른 의자의 요추 지지장치에 대해 첨부된 도면을 참조하여 상세히 설명한다. Hereinafter, a lumbar support device for a chair according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명의 실시예에 따른 요추 지지장치가 구비된 의자가 도시된 도면이다. 도 2는 본 발명의 실시예에 따른 요추 지지장치가 도시된 사시도이다. 도 3은 도 2에 도시된 요추 지지장치의 분해 사시도이다. 도 4는 도 2에서 A방향에서 본 요추 지지장치의 도면이다. 도 5는 도 4의 A-A선 방향에서 본 단면도이다. 도 6은 도 4의 B-B선 방향에서 본 단면도이다. 도 7은 도 2에 도시된 지지패드를 일부 절개하여 도시한 사시도이다. 도 8은 도 7에서 브래킷을 일부 절개하여 도시한 사시도이다. 도 9는 도 2에 도시된 지지패드 배면이 도시된 분해 사시도이다. 도 10은 본 발명의 실시예에 따른 브래킷과 캠의 결합상태가 도시된 사시도이다.도 11은 본 발명의 실시예에 따른 캠의 배면이 도시된 사시도이다. 1 is a view showing a chair equipped with a lumbar support device according to an embodiment of the present invention. Figure 2 is a perspective view of the lumbar support device according to an embodiment of the present invention. Figure 3 is an exploded perspective view of the lumbar support device shown in FIG. 4 is a view of the lumbar support device seen from the direction A in FIG. FIG. 5 is a cross-sectional view taken along a line A-A of FIG. 4. FIG. 6 is a cross-sectional view taken along line B-B of FIG. 4. FIG. 7 is a perspective view of a partially cut support pad shown in FIG. 2. FIG. 8 is a perspective view of a partially cut bracket in FIG. 7. FIG. 9 is an exploded perspective view illustrating the back of the support pad shown in FIG. 2. Figure 10 is a perspective view showing a coupling state of the bracket and the cam according to an embodiment of the present invention. Figure 11 is a perspective view showing the back of the cam according to an embodiment of the present invention.

도 1을 참조하면, 본 발명의 실시예에 따른 의자(1)는 등받이부(2)와, 좌석부(4)와, 상기 좌석부(4)를 지지하는 다리부(6)를 포함한다.Referring to FIG. 1, a chair 1 according to an embodiment of the present invention includes a backrest 2, a seating portion 4, and a leg portion 6 supporting the seating portion 4.

상기 등받이부(2)의 배면에는 인체의 요추를 지지하기 위한 요추 지지장치(10)가 설치된다. The back of the backrest 2 is provided with a lumbar support device 10 for supporting the lumbar spine of the human body.

도 2 및 도 3을 참조하면, 상기 요추 지지장치(10)는, 상기 등받이부(2)에 고정되는 고정 프레임(30)과, 상기 등받이부(2)에 접하고 상기 고정 프레임(30)에 결합되어 인체의 요추를 지지하기 위한 지지패드(20)를 포함한다. 2 and 3, the lumbar support device 10 is fixed to the backrest part 2 and the backrest part 2, and is in contact with the backrest part 2 and coupled to the fixed frame 30. It includes a support pad 20 for supporting the lumbar spine of the human body.

상기 지지패드(20)는 상하조절수단(40)과 전후조절수단(50)에 의해 상기 고정 프레임(30)에 결합되어, 상하 및 전후방향으로 이동가능하다.The support pad 20 is coupled to the fixed frame 30 by the up and down adjustment means 40 and the front and rear adjustment means 50, and is movable up and down and forward and backward directions.

상기 지지패드(20)는 폼(foam) 재질로 이루어진 패드부(21)와, 상기 패드부(21)를 지지하는 프레임부(22)를 포함한다. The support pad 20 includes a pad part 21 made of a foam material and a frame part 22 supporting the pad part 21.

또한, 상기 지지패드(20)는 상기 프레임부(22)의 배면에서 후방으로 돌출 형성된 하우징부(26)를 더 포함한다. 상기 하우징부(26)는 후술하는 브래킷(44)이 삽입 설치되도록 원통 형상으로 이루어질 수 있다. 상기 하우징부(26)는 상기 프레임부(22)와 일체로 형성된다. 상기 하우징부(26)에는 후술하는 핀(70)이 관통하는 관통홀(26a)이 형성된다. In addition, the support pad 20 further includes a housing part 26 protruding rearward from the rear surface of the frame part 22. The housing portion 26 may be formed in a cylindrical shape so that the bracket 44 to be described later is inserted. The housing part 26 is integrally formed with the frame part 22. The housing part 26 has a through hole 26a through which the pin 70 to be described later penetrates.

도 3 내지 도 5를 참조하면, 상기 상하조절수단(40)은, 상기 고정 프레임(30)에 구비된 레일(42)과, 상기 지지패드(20)에 구비되고 상기 레일(42)과 맞물려 상하방향으로 이동하도록 형성된 브래킷(44)과, 사용자가 잡고 상하방향으로 움직일 수 있도록 형성된 상하조절 손잡이부(24)를 포함한다. 3 to 5, the vertical adjustment means 40 is provided on the rail 42 provided on the fixing frame 30 and the support pad 20, and is engaged with the rail 42 to move up and down. It includes a bracket 44 formed to move in the direction, and the upper and lower adjustment handle 24 formed so that the user can move in the vertical direction.

상기 레일(42)은 인체 허리 라인을 따라 이동할 수 있도록 소정의 곡률을 갖는 곡면 형상으로 이루어진다. 상기 레일(42)은 상기 고정 프레임(30)에 체결 고정되는 판부(42a)와, 상기 판부(42a)의 좌,우 양측에서 'ㄷ'자 형상으로 절곡 형성되어, 후술하는 브래킷(44)의 삽입부(48a)가 삽입되는 가이드 홈(42b)을 포함한다. 또한, 상기 레일(42)의 전면에는 후술하는 브래킷(44)의 걸림돌기가 걸림되는 걸림홈(42c)가 상하방향으로 연속하여 형성된다. The rail 42 is formed in a curved shape having a predetermined curvature to move along the waist line of the human body. The rail 42 is formed by bending the plate portion 42a fastened to the fixed frame 30 and a 'c' shape on both left and right sides of the plate portion 42a, and thus will be described later. And a guide groove 42b into which the insertion portion 48a is inserted. In addition, the front surface of the rail 42 is formed with a locking groove 42c in which the locking projection of the bracket 44 to be described later is continuously formed in the vertical direction.

상기 브래킷(44)은 상기 지지패드(20)측에 결합되고 원통 형상으로 이루어진 통부(46)와, 상기 통부(46)의 외둘레면에서 돌출되고 상기 레일(42)에 맞물려서 상기 레일(42)을 따라 이동하는 슬라이더(48)를 포함한다.The bracket 44 is coupled to the support pad 20, and has a cylindrical portion 46 formed in a cylindrical shape, protrudes from an outer circumferential surface of the cylindrical portion 46, and meshes with the rail 42 to engage the rail 42. It includes a slider 48 to move along.

상기 브래킷(44)의 슬라이더(48)는 상기 통부(46)의 좌,우 양측에 한쌍이 구비된다. 상기 슬라이더(48)는 상기 레일(42)의 가이드 홈(42b)에 삽입되는 삽입부(48a)와, 상기 레일(42)의 걸림홈(42c)에 걸림되도록 돌기가 형성된 걸림부(48b)를 포함한다. 상기 삽입부(48a)와 상기 걸림부(48b)는 일체로 형성된다. The slider 48 of the bracket 44 is provided with a pair on both left and right sides of the barrel 46. The slider 48 has an insertion portion 48a inserted into the guide groove 42b of the rail 42 and a locking portion 48b having projections formed to be engaged with the locking groove 42c of the rail 42. Include. The insertion portion 48a and the locking portion 48b are integrally formed.

상기 브래킷(44)의 통부(46)에는 후술하는 핀(70)이 관통되어 전후방향으로 이동하도록 안내하는 슬롯(46a)이 형성된다. The tubular portion 46 of the bracket 44 is formed with a slot 46a for guiding the pin 70, which will be described later, to move forward and backward.

상기 브래킷(44)의 통부(46)는 후면이 개구되어 있고, 개구된 후면에는 브래킷 커버(80)가 결합된다. 상기 브래킷 커버(80)는 상기 브래킷(44)에 스냅 결합될 수 있다. 상기 브래킷 커버(80)에는 후술하는 압축 스프링(74)이 끼워지도록 끼움부(82)가 형성된다. The tubular portion 46 of the bracket 44 has an open rear surface, and the bracket cover 80 is coupled to the opened rear surface. The bracket cover 80 may be snap coupled to the bracket 44. The bracket cover 80 is formed with a fitting portion 82 so that the compression spring 74 to be described later.

상기 상하조절 손잡이부(24)는 상기 지지패드(20)에 일체로 형성될 수 있으며, 본 실시예에서는 상기 지지패드(20)의 프레임부(22)의 상부 좌,우측에서 돌출 형성된 것으로 예를 들어 설명한다.The upper and lower adjustment handle 24 may be formed integrally with the support pad 20, and in this embodiment, protruded from the upper left and right sides of the frame portion 22 of the support pad 20. Listen and explain.

도 3을 참조하면, 상기 전후조절수단(50)은, 일측면에 경사면(60a)이 형성된 캠(60)과, 상기 캠(60)의 경사면(60a)에 배치되고 상기 캠(60)의 회전시 상기 경사면(60a)을 따라 전후 이동하는 핀(70)을 포함한다.Referring to FIG. 3, the front and rear adjustment means 50 is disposed on an inclined surface 60a of the cam 60 and an inclined surface 60a of the cam 60, and the cam 60 is rotated. And a pin 70 moving back and forth along the inclined surface 60a.

상기 캠(60)은 원통 형상으로 이루어지고 외주면에 사용자가 잡고 돌릴 수 있는 전후조절 손잡이부(62)가 일체로 형성된다. The cam 60 is formed in a cylindrical shape and is formed integrally with the front and rear adjustment knob 62 which can be rotated by the user on the outer peripheral surface.

도 11을 참조하면, 상기 경사면(60a)에는 상기 핀(70)이 간헐적으로 걸림되도록 걸림홈이 원주방향을 따라 연속적으로 형성된다. Referring to FIG. 11, a locking groove is continuously formed along the circumferential direction of the inclined surface 60a such that the pin 70 is intermittently engaged.

도 9를 참조하면, 상기 핀(70)은 상기 지지패드(20)의 하우징부(26)의 관통홀(26a)과 상기 브래킷(44)의 슬릿(46)을 차례로 관통한 후, 체결부재(72)에 의해 상기 하우징부(26)에 체결 고정된다. 따라서, 상기 핀(70)은 상기 브래킷(44)의 슬릿(46)내에서는 전후방향 이동이 가능하고, 상기 하우징부(26)와는 일체로 결합되므로 상기 핀(70)의 전후방향 이동시 상기 지지패드(20)가 함께 움직이게 된다. Referring to FIG. 9, the pin 70 sequentially penetrates the through hole 26a of the housing part 26 of the support pad 20 and the slit 46 of the bracket 44, and then the fastening member ( 72 is fastened and fixed to the housing part 26. Accordingly, the pin 70 is movable forward and backward in the slit 46 of the bracket 44 and is integrally coupled with the housing part 26, so that the support pad is moved when the pin 70 moves forward and backward. 20 will move together.

또한, 상기 전후조절수단(50)은 상기 핀(70)의 전후방향 이동을 탄성적으로 지지하는 압축 스프링(74)을 더 포함한다.In addition, the front and rear adjustment means 50 further includes a compression spring 74 for elastically supporting the front and rear movement of the pin (70).

도 8을 참조하면, 상기 압축 스프링(74)의 일단은 상기 브래킷 커버(80)의 끼움부(82)에 결합되고, 타단은 상기 핀(70)에 끼워진다. Referring to FIG. 8, one end of the compression spring 74 is coupled to the fitting portion 82 of the bracket cover 80, and the other end is fitted to the pin 70.

상기와 같이 구성된 본 발명의 실시예에 따른 의자의 요추지지장치의 조립방법을 살펴보면 다음과 같다. Looking at the assembly method of the lumbar support device of the chair according to the embodiment of the present invention configured as described above are as follows.

상기 브래킷(44)의 통부(46)에 상기 캠(60)이 삽입되고, 상기 통부(46)의 후면에 상기 브래킷 커버(80)가 스냅 결합된다. 이 때, 상기 캠(60)의 전후조절 손잡이부(62)는 외측으로 노출될 수 있다. The cam 60 is inserted into the tubular portion 46 of the bracket 44, and the bracket cover 80 is snap-coupled to the rear surface of the tubular portion 46. At this time, the front and rear adjustment knob 62 of the cam 60 may be exposed to the outside.

상기 브래킷(44)은 상기 지지패드(20)의 하우징부(26)에 삽입되고, 상기 핀(70)을 상기 하우징부(26)의 관통홀(26)과 상기 브래킷(44)의 슬릿(26a)을 차례로 관통시킨 후, 상기 체결부재(72)로 체결 고정한다. 따라서, 상기 지지패드(20)에 상기 브래킷(44)이 결합되어 일체가 된다. The bracket 44 is inserted into the housing part 26 of the support pad 20, and the pin 70 is inserted into the through hole 26 of the housing part 26 and the slit 26a of the bracket 44. ) In order to penetrate and fix it with the fastening member 72. Thus, the bracket 44 is coupled to the support pad 20 to be integrated.

이후, 상기 브래킷(44)을 상기 레일(42)에 끼워 조립한다. 상기 레일(42)은 상기 고정 프레임(30)에 체결 고정될 수 있다. Thereafter, the bracket 44 is assembled to the rail 42. The rail 42 may be fastened and fixed to the fixing frame 30.

상기와 같이 구성된 요추 지지장치(10)는, 부품수가 적고 구조가 간단하여, 조립이 매우 간편한 이점이 있다. The lumbar support device 10 configured as described above has the advantage of having a very small number of parts and a simple structure, which makes assembly very easy.

한편, 상기와 같이 구성된 요추 지지장치(10)의 작동을 설명하면, 다음과 같다. On the other hand, the operation of the lumbar support device 10 configured as described above is as follows.

먼저, 상기 요추 지지장치(10)의 높낮이를 조절하고자 할 경우, 사용자는 상기 지지패드(20)의 상하조절 손잡이부(24)를 잡고서 상측으로 올리거나 하측으로 내릴 수 있다. 여기서, 사용자는 상기 지지패드(20)에서 상기 상하조절 손잡이부(24) 이외의 다른 부분을 잡고 상하방향으로 움직이게 하는 것도 물론 가능하다.First, in order to adjust the height of the lumbar support device 10, the user can raise or lower the upper and lower adjustment knob 24 of the support pad 20 to lower. Here, the user can of course hold the other portion of the support pad 20 other than the vertical adjustment handle 24 to move in the vertical direction.

사용자가 상기 지지패드(20)를 잡고 상하방향으로 움직이게 되면, 상기 지지패드(20)에 일체로 결합된 상기 브래킷(44)이 상기 레일(42)을 따라 상하방향으로 슬라이딩 이동될 수 있다. When the user grasps the support pad 20 and moves up and down, the bracket 44 integrally coupled to the support pad 20 may be slidably moved up and down along the rail 42.

따라서, 사용자가 별도로 사용법을 숙지하지 않은 상태에서도 상기 지지패드(20)를 올리거나 내림으로써, 높낮이 조절이 가능하기 때문에 사용 편의성이 향상될 수 있다. Therefore, by raising or lowering the support pad 20 even in a state in which the user does not know how to use it separately, since the height can be adjusted, the usability can be improved.

한편, 상기 지지패드(20)를 전후방향으로 위치 조절하고자 할 경우, 사용자는 상기 전후조절 손잡이부(62)를 잡고 누르거나 당기는 조작을 할 수 있다. On the other hand, if you want to adjust the position of the support pad 20 in the front and rear direction, the user can operate by pressing or pulling the front and rear adjustment knob 62.

상기 전후조절 손잡이부(62)를 조작하면, 전후조절 손잡이부(62)와 일체로 형성된 캠(60)이 회전하게 되고, 상기 핀(70)이 상기 경사면(60a)을 따라 전진 또는 후진하게 된다. 상기 핀(70)은 상기 지지패드(20)의 하우징부(26)에 체결 고정된 상태이기 때문에, 상기 핀(70)의 움직임에 따라 상기 하우징부(26)가 함께 움직이게 된다. When the front and rear adjustment knob 62 is operated, the cam 60 integrally formed with the front and rear adjustment knob 62 is rotated, and the pin 70 is moved forward or backward along the inclined surface 60a. . Since the pin 70 is fastened and fixed to the housing part 26 of the support pad 20, the housing part 26 moves together with the movement of the pin 70.

따라서, 상기 핀(70)에 의해 상기 지지패드(20)가 전방으로 밀게 되어, 상기 지지패드(20)의 전후 조절이 가능해진다. 이 때, 상기 핀(70)이 상기 압축 스프링(74)에 의해 탄성적으로 지지되기 때문에, 전후방향 조절시 텐션이 유지될 수 있다. 즉, 전후조절 손잡이부(62)의 조작에 의해 하우징부(26)가 움직일 때 조작 감도가 저하될 우려가 있지만, 압축 스프링(74)의 탄성력에 의해 하우징부(26)의 이동시 일정부분 복원력이 부여됨으로써 전후조절 손잡이부(62)의 조작 감도가 향상되는 이점이 있다. Therefore, the support pad 20 is pushed forward by the pin 70, so that the support pad 20 can be adjusted back and forth. At this time, since the pin 70 is elastically supported by the compression spring 74, the tension can be maintained in the front and rear direction adjustment. That is, there is a possibility that the operation sensitivity may decrease when the housing portion 26 moves by the operation of the front and rear adjustment knob 62, but a certain portion restoring force during the movement of the housing portion 26 by the elastic force of the compression spring 74 is increased. By providing it, there exists an advantage that the operation sensitivity of the front-back adjustment handle part 62 improves.

본 발명은 도면에 도시된 실시예를 참고로 설명되었으나 이는 예시적인 것에 불과하며, 본 기술 분야의 통상의 지식을 가진 자라면 이로부터 다양한 변형 및 균등한 다른 실시예가 가능하다는 점을 이해할 것이다. 따라서, 본 발명의 진정한 기술적 보호 범위는 첨부된 특허청구범위의 기술적 사상에 의하여 정해져야 할 것이다.Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

본 발명에 따르면, 사용자 편의성이 향상되고, 부품점수가 줄어들어 조립공정을 단순화할 수 있는 요추 지지장치를 제조할 수 있다. According to the present invention, it is possible to manufacture a lumbar support device that can improve user convenience, reduce the number of parts, and simplify the assembly process.

Claims (7)

의자의 등받이부에 고정되는 고정 프레임과, 상기 고정 프레임에 상하조절수단과 전후조절수단에 의해 결합되어, 상하 및 전후방향으로 이동하는 지지패드를 포함하고,A fixed frame fixed to the back of the chair, and a support pad coupled to the fixed frame by a vertical adjustment means and a front and rear adjustment means and moving up and down and forward and backward directions, 상기 전후조절수단은,The front and rear control means, 일측면에 경사면이 형성되고, 외주면에 사용자가 조작할 수 있는 전후조절 손잡이부가 일체로 형성된 캠과,An inclined surface is formed on one side, the cam is formed integrally with the front and rear adjustment knob that the user can operate on the outer peripheral surface, 상기 캠의 경사면에 배치되고 상기 지지패드측에 결합되어, 상기 캠의 회전시 상기 경사면을 따라 이동하면서 상기 지지패드를 전후방향으로 이동시키는 핀을 포함하는 의자의 요추 지지장치. And a pin disposed on an inclined surface of the cam and coupled to the support pad side to move the support pad in a forward and backward direction while moving along the inclined surface when the cam is rotated. 청구항 1에 있어서,The method according to claim 1, 상기 전후조절수단은,The front and rear control means, 상기 핀의 전후방향 이동을 탄성적으로 지지하는 압축 스프링을 더 포함하는 의자의 요추 지지장치.Lumbar support device of the chair further comprises a compression spring for elastically supporting the forward and backward movement of the pin. 청구항 1에 있어서, The method according to claim 1, 상기 상하조절수단은, The vertical adjustment means, 상기 고정 프레임에 구비되고 곡면 형상으로 이루어진 레일과,A rail provided in the fixed frame and having a curved shape; 상기 지지패드에 구비되고 상기 레일에 맞물려서 상하방향으로 이동하도록 형성된 브래킷을 포함하는 의자의 요추 지지장치. Lumbar support device for a chair including a bracket provided on the support pad and configured to move in the vertical direction by engaging the rail. 청구항 3에 있어서,The method according to claim 3, 상기 상하조절수단은,The vertical adjustment means, 상기 지지패드에 일체로 형성되어 사용자가 잡고 상하방향으로 움직일 수 있는 상하조절 손잡이부를 더 포함하는 의자의 요추 지지장치. It is formed integrally with the support pad lumbar support device of the chair further comprises a vertical adjustment handle portion that the user can move in the vertical direction. 청구항 3에 있어서,The method according to claim 3, 상기 브래킷은,The bracket, 상기 지지패드에 결합되고, 내부에 상기 캠이 삽입되는 통부와,A tube portion coupled to the support pad and into which the cam is inserted; 상기 통부의 외둘레면에서 돌출되고 상기 레일에 맞물려서 상기 레일을 따라 이동하는 슬라이더를 포함하고,A slider protruding from the outer circumferential surface of the barrel and moving along the rail in engagement with the rail, 상기 통부에는, 상기 핀이 관통되어 전후방향으로 이동하도록 안내하는 슬롯이 형성된 의자의 요추 지지장치.The tubular lumbar support device of the chair is formed with a slot for guiding the pin to pass through to move forward and backward. 청구항 5에 있어서,The method according to claim 5, 상기 지지패드에는 상기 브래킷이 삽입되도록 하우징부가 구비되고,The support pad is provided with a housing portion so that the bracket is inserted, 상기 하우징부에는 상기 핀이 관통하는 관통홀이 형성되어, 상기 관통홀을 관통한 상기 핀은 상기 하우징부에 체결 고정되는 의자의 요추 지지장치. The housing part has a through hole through which the pin penetrates, and the pin penetrating the through hole is a lumbar support device of a chair which is fastened and fixed to the housing part. 청구항 5에 있어서,The method according to claim 5, 상기 브래킷의 통부에는 브래킷 커버가 스냅 결합되고,The bracket cover is snapped to the barrel of the bracket, 상기 브래킷 커버와 상기 핀을 연결하여, 상기 핀의 전후방향 이동시 탄성력을 부여하는 압축 스프링을 더 포함하는 의자의 요추 지지장치. Connecting the bracket cover and the pin, the lumbar support device of the chair further comprises a compression spring to impart an elastic force during the forward and backward movement of the pin.
PCT/KR2012/000301 2011-12-15 2012-01-12 Lumbar support apparatus for a chair Ceased WO2013089308A1 (en)

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