KR20090132841A - Chair of stretching - Google Patents

Chair of stretching Download PDF

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Publication number
KR20090132841A
KR20090132841A KR1020080059021A KR20080059021A KR20090132841A KR 20090132841 A KR20090132841 A KR 20090132841A KR 1020080059021 A KR1020080059021 A KR 1020080059021A KR 20080059021 A KR20080059021 A KR 20080059021A KR 20090132841 A KR20090132841 A KR 20090132841A
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KR
South Korea
Prior art keywords
shaft
rotation
plate
electric motor
seat plate
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Application number
KR1020080059021A
Other languages
Korean (ko)
Inventor
홍권수
Original Assignee
홍권수
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Application filed by 홍권수 filed Critical 홍권수
Priority to KR1020080059021A priority Critical patent/KR20090132841A/en
Publication of KR20090132841A publication Critical patent/KR20090132841A/en

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/18—Chairs or stools with rotatable seat
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/20—Chairs or stools with vertically-adjustable seats
    • A47C3/24—Chairs or stools with vertically-adjustable seats with vertical spindle
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
    • A47C31/12—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons
    • A47C31/126—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons for 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
    • A47C7/02—Seat parts
    • A47C7/14—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions
    • 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
    • A47C7/62—Accessories for chairs
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B2023/003—Exercising apparatus specially adapted for particular parts of the body by torsion of the body part around its longitudinal axis
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B2023/006—Exercising apparatus specially adapted for particular parts of the body for stretching exercises
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2210/00—Space saving
    • A63B2210/02—Space saving incorporated in chairs

Abstract

PURPOSE: A swivel chair having the waist exercise function is provided to lower the manufacturing cost by decreasing the number of parts. CONSTITUTION: A swivel chair having the waist exercise function comprises an elevation supporting tube(12) prepared at the upper center of a support leg(10); an elevating shaft(20) combined to the elevation supporting tube; a fixing plate prepared at the elevating shaft upper part; a rotating left plate(40) installed at the upper part of the fixing plate and fixed to the upper end of a rotation connection gear(33); an armrest(60) and a seat back(70) connected to the fixing plate not to be rotated in case of the rotation of the left plate; a rotation supporting shaft(31) installed at the upper end of the fixing plate; a bearing and a rotation connection gear installed at the circumference of the rotation supporting axis; an electric motor(50); and a drive gear(52) connected to the rotation connection gear and installed at the rotation shaft of the electric motor.

Description

허리를스트레칭해주는돌아가는의자{Chair of stretching}A chair that stretches your waist {Chair of stretching}

본 발명은 좌판이 좌우방향으로 자유롭게 회전되는 회전의자에 관한 것으로, 더 자세하게는 정역구동 전동모터를 통해 좌판을 일정각도만큼 좌우로 왕복 회전시키는 것에 의해 간편하게 허리운동을 할 수 있도록 한 허리운동기능을 갖는 회전의The present invention relates to a rotating chair in which the seat plate is freely rotated in the left and right directions, and more specifically, a waist movement function that allows the waist plate to be easily moved by reciprocating the seat plate by a predetermined angle. Having rotation

자에 관한 것이다.It's about characters.

본 발명은 특히 다수의 지지발을 갖는 지지다리의 중앙 상부에 승강지지관이 마련되고, 이 승강지지관에 승강축이 상하방향으로 승강이 자유롭게 결합되며 승강축 상단부에 접속되는 고정판이 좌판에 고정되어 좌판이 상하방향으로 승강이 자유In particular, the present invention provides an elevating support tube in the center upper portion of the support leg having a plurality of support feet, and the elevating shaft is freely coupled to the elevating support tube in the up and down direction, and a fixing plate connected to the elevating shaft upper end is fixed to the seat plate. The seat is free to move up and down

롭게 설치됨은 물론 좌우방향으로 회전이 자유롭게 설치된 회전의자에 관계하는 것이다. 한편 회전의자에 장시간동안 같은 자세로 앉아 있게 되면 허리를 비롯한 온몸이 굳게 되므로 수시로 일어나서 체조 등으로 몸을 풀어주는 것이 바람직하게 되며, 회전의자에 앉은 채 두 손을 책상이나 테이블 위에 올려놓은 후 의자본체를 좌우방향으로 왕복 회전시키게 되면 뭉쳐진 허리의 근육을 풀어줄 수 있게 되는 바, 종래의 회전의자의 경우 엉덩이와 허리를 이용하여 인위적으로 의자본체를 회전시켜야 했기 때문에 허리운동을 하기 위해서는 어느 정도 불편함을 감수하여야 하는Of course, it is related to the rotating chair installed freely as well as the rotation in the left and right directions. On the other hand, if you sit in the same position for a long time on the swivel chair, the whole body including the waist will be firmed, so it is desirable to get up from time to time and release the body by gymnastics. When the reciprocating rotation in the left and right directions to release the muscles of the conjoined waist bar, the conventional swivel chair has to be somewhat uncomfortable to exercise the waist because the chair body had to be artificially rotated using the hips and waist To bear

문제가 있었다.본 출원인은 회전지지관의 일측에 지지브라켓트를 설치하고, 지지브 라켓트에 정방향과 역방향으로 구동하는 정역구동 전동모터를 설치하는 한편, 이 정역구동 전동모터를 좌판에 접속하여 정역구동 전동모터의 구동력으로 좌판을 일정각도만큼 좌우방향으로 왕복 회전시킬 수 있도록 한 허리운동기능을 갖는 회전의자를 제안한 바 있다.(특허출원 제2001-29657호)The present applicant installs a support bracket on one side of the rotary support tube, and installs a forward and reverse electric motor for driving in the forward and reverse directions on the support bracket, and connects the forward and reverse electric motor to the seat plate. There has been proposed a swivel chair having a waist movement function which allows the seat plate to reciprocate in a left-right direction by a predetermined angle by the driving force of the driving electric motor. (Patent application 2001-29657)

아울러 본 출원인은 정역구동 전동모터가 내장되는 고정브라켓트를 회전지지관에 고정 설치하고, 좌판을 정역구동 전동모터에 접속하며, 등받이와 팔걸이를 고정브라켓트에 고정 설치하여 정역구동 전동모터 구동시에 등받이와 팔걸이는 회전되지 않고 좌판만 회전되도록 한 허리운동기능을 갖는 회전의자를 제안한 바 있다.(실용신안등록출원 제2003-3834호)In addition, the present applicant fixedly installs the fixed bracket in which the forward and reverse electric motor is built in the rotary support tube, connects the seat plate to the forward and reverse electric motor, and fixes the backrest and the armrest to the fixed bracket to secure the backrest when driving the forward and reverse electric motor. The armrest has been proposed a swivel chair having a waist movement function so that only the seat plate is rotated without rotation (Utility Model Registration Application No. 2003-3834).

본 발명은 좌판이 좌우방향으로 자유롭게 회전되는 회전의자에 관한 것으로, 더 자세하게는 정역구동 전동모터를 통해 좌The present invention relates to a rotating chair in which the seat plate is freely rotated in the left and right directions, and more specifically, the left plate is driven through a forward and reverse electric motor.

판을 일정각도만큼 좌우로 왕복 회전시키는 것에 의해 간편하게 허리운동을 할 수 있도록 한 허리운동기능을 갖는 회전의Rotation with a back movement function to make the back movement simple by rotating the plate back and forth by a certain angle.

자에 관한 것이다.It's about characters.

본 발명은 특히 다수의 지지발을 갖는 지지다리의 중앙 상부에 승강지지관이 마련되고, 이 승강지지관에 승강축이 상하방In particular, the present invention provides an elevating support pipe in the upper portion of the center of the support leg having a plurality of support feet, and the elevating shaft is provided on the elevating support pipe up and down.

향으로 승강이 자유롭게 결합되며 승강축 상단부에 접속되는 고정판이 좌판에 고정되어 좌판이 상하방향으로 승강이 자유Lift is freely coupled in the direction, and the fixed plate which is connected to the upper end of the lifting shaft is fixed to the seat, and the seat is free to move up and down.

롭게 설치됨은 물론 좌우방향으로 회전이 자유롭게 설치된 회전의자에 관계 하는 것이다.Of course, it is related to the rotating chair installed freely as well as rotating in the left and right directions.

본 발명은 상기와 같은 종래의 실정을 감안하여 안출한 것이며, 그 목적이 적은 수의 부품으로 보다 용이하고도 저렴하게 제작할 수 있도록 함은 물론 더욱 안정적으로 좌판을 회전시킬 수 있도록 하는 허리운동기능을 갖는 회전의자를 제공하는 데에 있는 것이다.The present invention has been devised in view of the conventional situation as described above, and its purpose is to provide a waist movement function that allows the seat plate to rotate more stably as well as more easily and inexpensively with fewer parts. It is to provide a rotating chair having.

본 발명은 상기의 목적을 달성하기 위하여 지지다리의 승강지지관에 삽입 설치된 승강축에 접속되는 고정판에 회전지지축을 설치하는 동시에 회전지지축에 베어링과 회전접속기어를 설치하고, 회전접속기어에 좌판을 고정 설치하는 동시에 고정 In order to achieve the above object, the present invention installs a rotary support shaft on a fixed plate connected to an elevating shaft inserted into an elevating support tube of a support leg, and at the same time installs a bearing and a rotary connecting gear on the rotary supporting shaft, and a seat plate on the rotary connecting gear. Fixed while installing

판에 고정 설치한 정역구동 전동모터를 회전접속기어와 접속하는 것을 특징을 한다. A forward and reverse electric motor fixed to the plate is connected to the rotary connection gear.

이상에서 설명한 바와 같이 본 발명은 승강축(20)에 접속된 고정판(30)에 회전지지축(31)을 고정 설치하는 동시에 회전지As described above, in the present invention, the rotary support shaft 31 is fixedly installed on the fixed plate 30 connected to the lifting shaft 20, and the rotary paper

지축(31)에 베어링(32)과 회전접속기어(33)를 설치하고, 회전접속기어(31)에 좌판(40)을 고정하는 동시에 고정판(30)에The bearing 32 and the rotary connecting gear 33 are installed on the support shaft 31, and the seat plate 40 is fixed to the rotary connecting gear 31 and the fixing plate 30 is fixed to the fixed plate 30.

고정 설치한 정역구동 전동모터(40)를 회전접속기어(31)와 접속하여 좌판(40)을 좌우방향으로 회전시킬 수 있도록 한 것Fixed and statically driven electric motor 40 is connected to rotary connection gear 31 so that seat plate 40 can rotate left and right

으로, 본 발명에 의하면 고정판(30)과 좌판(40)의 사이에 설치되는 극히 적 은 수의 부품만으로 좌판(40)을 안정적으로 회전시킬 수 있게 되고, 기존의 회전의자에 약간의 설계 변경을 가하여 손쉽게 제작할 수 있게 되므로 허리운동기능을 갖 는회전의자(10)의 경제성과 상품성을 크게 향상시킬 수 있게 되는 등의 효과를 얻을 수 있게 된다.According to the present invention, the seat plate 40 can be stably rotated with only a small number of parts installed between the fixed plate 30 and the seat plate 40, and a slight design change is made to the existing rotating chair. Since it can be easily manufactured by adding the effect of being able to greatly improve the economy and productability of the swivel chair (10) having a back movement function.

도 1에는 본 발명의 한 실시예의 사시도가 도시되어 있고, 도 2에는 동 실시예의 측면도가 도시되어 있으며, 도 3에는 동 실시예의 요부 종단면도가 도시되어 있는 바, 지지다리(10)의 중앙 상부에 승강지지관(12)이 마련되고, 이 승강지지관1 is a perspective view of one embodiment of the present invention, FIG. 2 is a side view of the embodiment, and FIG. 3 is a longitudinal cross-sectional view of the main part of the embodiment, showing a central upper portion of the support leg 10. Elevating support pipe (12) is provided in the

(12)에 승강축(20)이 상하방향으로 승강이 자유롭게 결합되며, 승강축(20) 상단부에 고정판(30)이 마련되고, 고정판(30)의 상부에 좌판(40)이 설치되는 회전의자(100)를 구성함에 있어서, 상기 고정판(30)의 상단에 회전지지축(31)을 고정 설치하는 동시에 회전지지축(31)의 둘레에 베어링(32)과 회전접속기어(33)를 설치하고, 회전접속기어(33)의 상단에 좌판(40)을 고정 설치하며, 고정판(30)의 하단에 정역구동 전동모터(50)를 고정 설치하고, 고정판(30)의 상단으로 돌출되는 정The lifting shaft 20 is freely coupled to the lifting shaft 20 in the up and down direction, and the fixing plate 30 is provided at the upper end of the lifting shaft 20, and the seating plate 40 is installed on the fixing plate 30. In the configuration of 100, the fixed support 30 and the rotary support shaft 31 is fixed to the upper end of the rotary support shaft 31 and the bearing 32 and the rotary connecting gear 33, Fixing and installing the seat plate 40 on the upper end of the rotary connection gear 33, and fixedly mounted forward and reverse electric motor 50 at the lower end of the fixed plate 30, and protruding to the top of the fixed plate 30

역구동 전동모터(50)의 구동축(51)에 설치한 구동기어(52)를 회전접속기어(33)와 접속하여서 되는 것이다.The drive gear 52 provided in the drive shaft 51 of the reverse drive electric motor 50 is connected to the rotary connection gear 33.

도시된 실시예는 팔걸이(60)와 등받이(70)가 좌판(40) 회전시에 회전되지 않도록 고정판(30)에 접속되는 형태를 갖으며,본 발명에 있어서 좌판(40)의 회전각도는 별도의 제어회로(미도시)에 의해 다단으로 조절될 수 있음은 물론이다.The illustrated embodiment has a form in which the armrest 60 and the backrest 70 are connected to the fixed plate 30 so as not to rotate when the seat plate 40 rotates, and the rotation angle of the seat plate 40 in the present invention is separate. Of course, it can be adjusted in multiple stages by a control circuit (not shown).

한편 본 발명에 있어서 지지다리(10)의 중앙 상부에 마련된 승강지지관(12)에 승강 이 자유롭게 설치되는 승강축(20)은 좌판(40) 회전시에 회전되지 않도록 하여야 하는 바, 승강축(20)의 승강방지구조는 승강축(20)을 승강지지관(12)과 스플라인결합하거나 승강축(20)에 상하방향으로 회전방지홈을 형성하고 승강지지관(12)에 회전방지핀을 설치하는 형태, 승강축(20)에 결합한 회전방지막대를 승강지지관(12)의 일측에 형성한 고정구멍에 결합하는 형태 등을 사용할 수 있다.Meanwhile, in the present invention, the lifting shaft 20 freely installed on the lifting support tube 12 provided at the center of the support leg 10 should not be rotated when the seat plate 40 is rotated. The lifting prevention structure of 20) spline-couples the lifting shaft 20 with the lifting support pipe 12, or forms an anti-rotation groove in the up and down direction on the lifting shaft 20, and installs an anti-rotation pin on the lifting support pipe 12. Or a form in which the anti-rotation rod coupled to the lifting shaft 20 is coupled to a fixing hole formed at one side of the lifting support tube 12.

상기와 같이 구성된 본 발명에 있어서는 사용자가 등받이(70)를 등을 대고 좌판(40)에 앉은 상태에서 양팔을 팔걸이(60)에걸쳐 아주 편안한 자세로 앉은 후 소정의 제어회로(미도시)에 접속된 정역구동 전동모터(50)를 작동하게 되면 정역구동 전동모터(50)가 일정각도만큼 정방향과 역방향으로 반복 구동되어 등받이(70)와 팔걸이(60)가 고정된 상태에서 좌판(40)만이 일정각도만큼 좌우방향으로 왕복 회전되므로 간편하게 허리운동을 할 수 있게 된다.In the present invention configured as described above, while the user sits on the back plate (70) with his back on the seat plate (40), both arms sit on the armrest (60) in a very comfortable posture and connected to a predetermined control circuit (not shown). When operating the forward and reverse drive electric motor 50, the forward and reverse drive electric motor 50 is repeatedly driven in the forward and reverse directions by a predetermined angle, only the seat plate 40 is fixed while the backrest 70 and the armrest 60 are fixed. Since the angle is reciprocated in the left and right directions, the waist can be easily moved.

즉, 도 4a와 같이 좌판(40)이 회전되지 않은 상태에서 정역구동 전동모터(50)가 구동되어 그의 구동축(51) 및 구동기어(52)가 정방향으로 회전하게 되면 구동기어(52)에 접속된 회전접속기어(33) 및 좌판(40)이 고정판(30)에 고정 설치된 회전지지축(31)을 중심으로 역방향으로 회전하게 되고, 정역구동 전동모터(50)의 구동축(51) 및 구동기어(52)가 역방향으로 회전하게 되면 회전접속기어(33) 및 좌판이 정방향으로 회전하게 되므로 사용자는 등받이(70)에 등을 밀착시키고 양팔을That is, as shown in FIG. 4A, when the driving plate 51 and the driving gear 52 rotate in the forward direction while the forward / reverse drive electric motor 50 is driven while the seat plate 40 is not rotated, it is connected to the driving gear 52. Rotation connecting gear 33 and the seat plate 40 is rotated in a reverse direction about the rotation support shaft 31 fixed to the fixed plate 30, the drive shaft 51 and the drive gear of the forward and reverse drive electric motor 50 When the 52 is rotated in the reverse direction, the rotary connecting gear 33 and the seat plate rotate in the forward direction, so that the user makes a close contact with the back of the back 70 and both arms.

팔걸이(60)에 올려놓은 편안한 자세로 좌판(40)에 가만히 앉아 있기만 하더라도 간편하게 허리운동을 할 수 있게 된다.Even if you sit still on the seat plate 40 in a comfortable posture placed on the armrest 60, it is possible to easily exercise the waist.

한편 본 발명에 있어서 지지다리(10)의 승강지지관(12)에 승강축(20)이 승강가능하 게 설치된 공지의 좌판 승강장치를 통해 좌판(40)의 높이를 조절할 때에는 승강축(20)과 접속된 고정판(30)이 좌판(40)과 함께 상승하게 되므로 구동기어(52)Meanwhile, in the present invention, when the height of the seat plate 40 is adjusted through a well-known seat plate lifting device installed on the lifting support tube 12 of the support leg 10 so that the lifting shaft 20 can be lifted, the lifting shaft 20 and Since the connected fixed plate 30 rises together with the seat plate 40, the drive gear 52.

와 회전접속기어(33)의 접속상태가 전혀 변화되지 않게 된다.And the connection state of the rotary connecting gear 33 are not changed at all.

도 1은 본 발명의 한 실시예의 사시도1 is a perspective view of one embodiment of the present invention

도 2는 동 실시예의 측면도2 is a side view of the embodiment

도 3은 동 실시예의 요부 종단면도3 is a longitudinal sectional view showing main parts of the embodiment;

도 4a는 동 실시예의 좌판이 회전되지 않은 상태의 평면도4A is a plan view of a state in which the seat plate of the embodiment is not rotated;

도 4b는 동 실시예의 좌판이 일측으로 회전된 상태의 평면도Figure 4b is a plan view of the seat plate rotated to one side of the embodiment

< 도면의 주요 부분에 대한 부호의 설명 ><Description of Symbols for Main Parts of Drawings>

100 : 회전의자 10 : 지지다리100: swivel chair 10: support leg

12 : 승강지지관 20 : 승강축12: lifting support pipe 20: lifting shaft

30 : 고정판 31 : 회전지지축30: fixed plate 31: rotation support shaft

32 : 베어링 33 : 회전접속기어32: bearing 33: rotary connection gear

40 : 좌판 50 : 정역구동 전동모터40: seat 50: forward and reverse drive electric motor

51 : 구동축 52 : 구동기어51: drive shaft 52: drive gear

60 : 팔걸이 70 : 등받이60: armrest 70: backrest

Claims (1)

지지다리(10)의 중앙 상부에 승강지지관(12)이 마련되고, 이 승강지지관(12)에 승강축(20)이 상하방향으로 승강이 자유롭An elevating support tube 12 is provided at the center of the support leg 10, and the elevating shaft 20 is freely provided in the elevating support tube 12 in the vertical direction. 게 결합되며, 승강축(20) 상단부에 고정판(30)이 마련되고, 고정판(30)의 상부에 좌판(40)이 회전되도록 설치되고, 상기고정판(30)에 팔걸이(60)와 등받이(70)가 접속되어 상기 좌판(40)이 회전시에 회전되지 않도록 설치되는 것에 있어서, 상기 고정판(30)의 상단에 회전지지축(31)을 고정 설치하는 동시에 회전지지축(31)의 둘레에 베어링(32)과 회전접속기어(33)를 설치하고, 회전접속기어(33)의 상단에 좌판(40)을 고정 설치하며, 고정판(30)의 하단에 전동모터(50)를 고정 설치하고, 고정판(30)의 상단으로 돌출되는 전동모터의 회전축(51)에 설치한 구동기어(52)를 회전접속기어(33)와 접속한 것을 특징으로 하는 허리운동기능을 갖는 회전의자.Coupled to the lifting shaft 20, the fixing plate 30 is provided at the upper end of the lifting shaft 20, and the seat plate 40 is installed on the fixing plate 30 so as to rotate, and the armrest 60 and the backrest 70 are fixed to the fixing plate 30. ) Is connected so that the seat plate 40 is not rotated at the time of rotation, while the rotation support shaft 31 is fixedly installed at the upper end of the fixed plate 30, and the bearing is rotated around the rotation support shaft 31. (32) and the rotary connection gear 33 is installed, and the seat plate 40 is fixedly installed at the upper end of the rotary connection gear 33, the electric motor 50 is fixedly installed at the lower end of the fixed plate 30, the fixed plate Rotating chair having a waist movement function, characterized in that the drive gear 52 installed on the rotary shaft 51 of the electric motor protruding to the upper end of the 30 and the rotary connection gear 33.
KR1020080059021A 2008-06-23 2008-06-23 Chair of stretching KR20090132841A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101131508B1 (en) * 2011-03-30 2012-04-04 한상현 Stretching chair
KR101274589B1 (en) * 2012-01-08 2013-06-18 강다원 A chair that equipped stretching rope

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101131508B1 (en) * 2011-03-30 2012-04-04 한상현 Stretching chair
KR101274589B1 (en) * 2012-01-08 2013-06-18 강다원 A chair that equipped stretching rope

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