KR100669223B1 - Height adjusting device of desk and chair - Google Patents

Height adjusting device of desk and chair Download PDF

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Publication number
KR100669223B1
KR100669223B1 KR1020040056470A KR20040056470A KR100669223B1 KR 100669223 B1 KR100669223 B1 KR 100669223B1 KR 1020040056470 A KR1020040056470 A KR 1020040056470A KR 20040056470 A KR20040056470 A KR 20040056470A KR 100669223 B1 KR100669223 B1 KR 100669223B1
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KR
South Korea
Prior art keywords
hole
platform
pedestal
height
locking
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KR1020040056470A
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Korean (ko)
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KR20060007620A (en
Inventor
황세원
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선진산업 주식회사
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Priority to KR1020040056470A priority Critical patent/KR100669223B1/en
Publication of KR20060007620A publication Critical patent/KR20060007620A/en
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B9/00—Tables with tops of variable height
    • A47B9/14—Tables with tops of variable height with pins coacting with holes
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2200/00—General construction of tables or desks
    • A47B2200/0035—Tables or desks with features relating to adjustability or folding
    • A47B2200/005—Leg adjustment
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B9/00—Tables with tops of variable height
    • A47B9/06—Tables with tops of variable height with vertical toothed rack
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B9/00—Tables with tops of variable height
    • A47B9/08—Tables with tops of variable height with clamps acting on vertical rods
    • 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

Abstract

본 발명은 책·걸상의 높낮이 조절장치에 관한 것으로, 받침판(16) 내지는 좌판을 갖는 승강대(B)의 안내관(4) 단부에 복귀스프링(24)을 갖는 눌름편(22)의 작동으로 상기 눌름편(22) 단부에 갖는 걸림핀(14)이 승강대(B)의 통공(12)을 관통하여 받침대(A)의 지지관(2)이 갖는 수개의 걸림공(10) 중 선택된 걸림공에 결합 또는 분리되는 걸림부(6)를 갖도록 하고, 상기 걸림부(6) 아래에는 받침대(A)의 지지관(2)이 관통하는 죄임관(34)과 상기 죄임관(34) 일측의 죄임편(30)(32)에 나사결합된 볼트(36)로 구성되는 죄임부(8)를 갖도록 하여 걸림부(6)의 눌름편(22)을 이용한 원터치로 높낮이 조절이 이루어지도록 하고, 높낮이 조절후 죄임부(8)가 갖는 볼트(36)의 죄임으로 받침대(A)와 승강대(B) 사이의 유격을 없애줄 수 있도록 하여 보다 안정감있게 사용할 수가 있고 더 나아가 걸상의 경우 상시 바른 자세를 유지할 수 있도록 한 것이다.The present invention relates to a height-adjusting device for a book and a stool, and is operated by a pressing piece 22 having a return spring 24 at an end of a guide tube 4 of a platform B having a support plate 16 or a seat plate. A locking pin 14 at the end of the pressing piece 22 penetrates the through hole 12 of the platform B to a selected locking hole among several locking holes 10 of the support tube 2 of the pedestal A. It is to have a locking portion 6 to be coupled or separated, and under the locking portion 6, a conduit tube 34 through which the support tube 2 of the pedestal A passes and a constriction piece on one side of the conduit tube 34. 30 and 32 to have a clamping portion (8) consisting of bolts (36) screwed to the height adjustment is made by one-touch using the pressing piece 22 of the locking portion 6, after adjusting the height The clamping of the bolts 36 of the clamping part 8 allows the clearance between the pedestal A and the platform B to be eliminated so that it can be used more stably. If one is on to maintain a good posture at all times.

Description

책·걸상의 높낮이 조절장치{Height adjusting device of desk and chair}Height adjusting device of desk and chair

도 1 : 본 발명의 조립사시도1: Assembled perspective view of the present invention

도 2 : 본 발명의 분해사시도2 is an exploded perspective view of the present invention

도 3 : 본 발명의 측단면구성도3 is a side cross-sectional view of the present invention

도 4 : 본 발명의 평단면구성도4 is a cross-sectional configuration of the present invention

도 5 : 본 발명을 책상에 적용한 예의 정면구성도5 is a front configuration diagram of an example in which the present invention is applied to a desk

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

(A)--받침대 (B)--승강대(A)-base (B)-plating platform

(C)--연결구 (2)--지지관(C)-Connector (2)-Support Tube

(4)--안내관 (6)--걸림부(4)-Guide (6)-Hang

(8)--죄임부 (10)--걸림공(8)-sinner (10)-Job Ball

(12)--통공 (14)--걸림핀(12)-Vertical (14)-Jerking Pin

(16)--받침판 (18)--연결관(16)-support plate (18)-connector

(20)--연결편 (22)--눌름편(20)-Joint (22)-Push

(24)--복귀스프링 (26)--안내공(24)-Return Spring (26)-Guide

(30)(32)--죄임편 (34)--죄임관(30) (32)-Sincinnati (34)-Convict

(36)--볼트 (38)--나선부(36)-Bolt (38)-Helix

(40)--몸체 (42)--파지부(40)-Body (42)-Grip

본 발명은 책·걸상의 높낮이 조절장치에 관한 것으로서, 상세하게는 높낮이조절이 용이하게 이루어질 수가 있고 또 유격으로 인한 자세불량을 방지해 줄 수 있도록 한 것이다.The present invention relates to a height-adjusting device for a book and a stool, and in detail, it is possible to easily adjust the height and to prevent posture defects due to play.

책·걸상의 높낮이 조절장치에 대하여는 본건출원인이 이미 여러건을 제공한바 있으며, 이들은 크게 지지대와 승강대를 랙과 피니언으로 결합하여 별도의 공구를 이용한 높낮이 조절후 걸림구를 통하여 조정된 높낮이를 유지하도록 한 기술구성과, 승강대의 높낮이 조절후 상기 승강대의 통공과 선택적으로 마주하는 지지대의 걸림공에 걸림핀을 결합하여 조정된 높낮이를 유지하도록 하는 기술구성으로 구분된다.As for the height adjustment device of the book and the stool, the applicant has already provided several cases.They combine the support and the platform with the rack and pinion to maintain the height adjusted through the latch after adjusting the height using a separate tool. It is divided into a technical configuration and a technical configuration to maintain the adjusted height by combining the engaging pin to the engaging hole of the support selectively facing the through hole of the platform after adjusting the height of the platform.

따라서 전자의 경우 구성이 복잡하여 생산성 저하를 가져오게 되고 또 높낮이 조절시 별도의 공구를 이용하는데에 불편함과 번거로움이 따르게 되며, 후자의 경우에도 걸림핀이 투터치에 의해 출몰작동하게 되므로 사용상 번거로움이 따르게 된다.Therefore, in the former case, the configuration is complicated, resulting in a decrease in productivity, and inconvenient and troublesome to use a separate tool when adjusting the height, and in the latter case, the locking pin is intruded by two-touch operation. It will be a hassle.

특히 이들은 지지대로부터 승강대의 높낮이 조절만 이루어질 뿐 지지대와 승강대 사이에 갖는 유격은 없애줄 수가 없어 사용시 안정감이 떨어지고 또 걸상에 적용시 유격에 의한 자세불량으로 쉽게 피로감을 느끼게 될 뿐 아니라 척추에 무리 를 주게 되므로 성장기 어린이나 청소년들의 건강에 악영향을 주게 되는 등의 많은 문제점들이 있는 것이다.In particular, they can only adjust the height of the platform from the support, but it can not eliminate the play between the support and the platform, so it is less stable in use, and when applied to a stool, it is not only easy to feel tired due to poor posture due to the play, and it also causes strain on the spine. There are many problems, such as adversely affecting the health of growing children and adolescents.

본 발명은 상술한 종래기술들이 갖는 문제점들을 해결하기 위하여 간단한 구성으로 생산성 향상을 가져올 수가 있고 또 높낮이 조절이 원터치로 이루어질 수가 있어 높낮이 조절이 용이하게 이루어질 수가 있는 책·걸상의 높낮이 조절장치를 제공하는데 그 목적이 있다.The present invention provides a height adjustment device of a book and a stool that can bring about a productivity improvement with a simple configuration in order to solve the problems with the prior art described above, and the height adjustment can be made in one touch, so that the height can be easily adjusted. The purpose is.

또한 본 발명은 책·걸상의 높낮이 조절후 간단한 조작으로 받침대와 승강대 사이에 갖는 유격을 없애줄 수가 있어 보다 안정감있게 사용할 수가 있을 뿐 아니라 걸상에 적용시 상시 바른 자세유지로 성장기 어린이나 청소년들의 건강을 지켜줄 수가 있도록 하는데 또다른 목적이 있다.In addition, the present invention can eliminate the play between the pedestal and the platform by a simple operation after adjusting the height of the book and the stool, which can be used more stably and also protects the health of the growing children or adolescents by maintaining the correct posture when applied to the stool. There is another purpose for this.

상기한 본 발명의 목적은 승강대의 안내관 단부에 결합고정되는 걸림부의 걸림핀이 눌름편의 눌름으로 받침대의 걸림공으로부터 분리되어 승강대의 높낮이 조절이 이루어지고, 높낮이 조절후 복귀용 스프링에 의한 걸림핀의 전진으로 선택된 걸림공에 진입하여 조정된 높낮이를 유지시켜 주도록 하며, 상기 걸림부 하부에는 받침대의 지지관이 관통하는 죄임부를 갖도록 하여 죄임관 타측에 체결되는 볼트의 죄임으로 죄임관이 오무려져 승강대가 받침대에 대하여 유격없이 고정되도록 구성하는 것으로 달성된다.The object of the present invention described above is the locking pin of the engaging portion which is fixed to the guide tube end of the lifting platform is separated from the locking hole of the pedestal by pressing the pressing piece, the height adjustment of the lifting platform is made, and the locking pin by the spring for adjustment after the height adjustment The entrance to the selected engaging hole to maintain the adjusted height, and the lower part of the engaging portion has a clamping portion penetrating the support tube of the pedestal so that the constriction of the guilt pipe is clamped by the clamping bolt on the other side It is achieved by configuring the platform to be secured without play with respect to the pedestal.

도 1은 본 발명의 요부사시도로서, 본 발명은 두개의 나란한 지지관(2)을 갖 는 받침대(A)와, 안내관(4)을 통하여 받침대(A)의 지지관(2)을 결합하는 승강대(B)와, 상기 승강대(B)의 안내관(4) 단부에 결합고정되며 걸림부(6)와 죄임부(8)를 갖는 연결구(C)로 구성된다.1 is a main portion perspective view of the present invention, the present invention is to combine the support tube (2) of the pedestal (A) with a pedestal (A) having two side-by-side support tube (2) and the guide tube (4) It is composed of the lifting platform (B), the coupling (C) having a locking portion 6 and the clamping portion 8 is fixed to the end of the guide tube (4) of the lifting platform (B).

도 2는 본 발명의 분해사시도로서, 받침대(A)는 지지관(2) 일측에 수개의 걸림공(10)이 형성되고, 승강대(B)는 안내관(4)의 일측 하부에 통공(12)이 형성된 것으로서, 받침대(A)와 승강대(B)의 결합시 승강대(B)가 갖는 통공(12)이 받침대(B)가 갖는 걸림공(10)과 선택적으로 마주하도록 하여 연결구(C)가 갖는 걸림핀(14)을 결합해 주는 것으로 조정된 높낮이를 유지하며, 받침대(A)와 승강대(B)의 좌우폭과 높낮이를 달리하고 또 승강대(B) 상부에 받침판(16) 내지는 좌판을 고정설치해 주는 것으로 책·걸상을 구성하게 된다.2 is an exploded perspective view of the present invention, the pedestal (A) is formed with a plurality of engaging holes 10 on one side of the support pipe (2), the lifting platform (B) is a through hole 12 in one lower portion of the guide pipe (4) ) Is formed, the coupling hole (C) so that the through hole 12 of the platform (B) when the coupling of the pedestal (A) and the platform (B) selectively faces the locking hole (10) of the pedestal (B) Maintaining the height adjusted by combining the engaging pin 14 having, and different from the left and right width and height of the pedestal (A) and the platform (B), and fixed to the support plate (16) or the seat plate on the platform (B) Giving will constitute a book and a stool.

다만 승강대는 받침대로부터 승강작동 가능하도록 결합되는 구조이면 만족하므로 받침대에 안내관을 형성하고 승강대에 지지관을 형성하여 받침대로부터 승강대의 승강작동이 이루어지도록 하더라도 무방하다 할 것이다.However, since the platform is satisfactory if the structure is coupled to the lifting operation from the pedestal, the guide tube may be formed on the pedestal, and the support pipe may be formed on the pedestal so that the lifting operation of the platform can be performed from the pedestal.

한편 연결구(C)가 갖는 걸림부(6)는 연결관(18)과, 상기 연결관(18) 내측에 갖는 연결편(20)에 핀으로 연결되어 시소작동하는 눌름편(22)과, 상기 눌름편(22)을 일방향으로 탄력지지하는 복귀스프링(24) 및 눌름편 타단에 연결되어 연결관(18)이 갖는 안내공(26)과 승강대(B)의 통공(12)을 관통하여 내부로 출몰하는 걸림핀(14)으로 구성된다.On the other hand, the engaging portion 6 of the connector (C) is connected to the connecting pipe 18, the connecting piece (20) having the inside of the connecting pipe (18) with a pressing piece 22 which is operated by the seesaw and the pressing It is connected to the return spring 24 and the other end of the pressing piece, which elastically supports the lamella 22 in one direction, and penetrates through the guide hole 26 of the connecting pipe 18 and the through hole 12 of the platform B. It consists of a locking pin (14).

상기 걸림부(6)가 갖는 연결관(18)은 승강대(B)의 안내관(4)이 긴밀히 삽입고정될 수 있는 구조이면 만족하는 것으로서, 본 발명은 구조를 간단히 하기 위하 여 일면에 개방부를 갖도록 하여 안내관이 연결관 내에 강제삽입고정되게 하였다.The connecting tube 18 of the locking portion 6 is satisfied if the guide tube 4 of the platform B can be inserted and fixed tightly, the present invention is an opening portion on one side to simplify the structure The guide tube was forcedly inserted into the connector tube.

또한 눌름편(22)은 엄지손가락을 이용한 용이한 조작을 위하여 연결관(18) 내측에 눌름부가 상부에 위치하도록 설치하는 것이 바람직하나, 다른 위치에 갖도록 하더라도 무방하다.In addition, the pressing piece 22 is preferably installed so that the pressing portion is located in the upper portion inside the connecting pipe 18 for easy manipulation using the thumb, but may be provided in another position.

또한 연결구(C)의 걸림부(6) 하부에 갖는 죄임부(8)는 걸림부(6)의 연결관(18)과 일체로 형성되고 일측에는 소정간격을 두고 죄임편(30)(32)이 절곡형성되며 받침대(A)의 지지관(2)이 관통하는 죄임관(34)과, 상기 죄임관(34)의 죄임편(30)(32)에 나사결합되며, 죄임시 죄임관(34)을 오무려주는 볼트(36)로 구성된다.In addition, the clamping portion (8) having a lower portion of the engaging portion (6) of the connector (C) is formed integrally with the connecting pipe (18) of the locking portion (6) and the clamping piece (30, 32) at a predetermined interval on one side It is bent and screwed into the sinister tube 34 through which the support tube 2 of the pedestal A passes, and the sinner pieces 30 and 32 of the sinner tube 34, and the sinner tube 34 at the time of sinning. It is composed of a bolt (36) to shut.

상기에 있어, 죄임관(34)은 볼트(36)의 이완시 받침대(A)의 지지관(2)이 약간의 여유를 갖고 관통될 수 있는 형태로서, 그 일면에 갖는 죄임편(30)(32) 중 일측 죄임편(30)은 결합공을 갖도록 하고 타측 죄임편(32)은 나공을 갖도록 하여 볼트(36)가 결합공을 관통하여 나공에 나사결합되게 하는 것으로 죄임시 죄임관(34)이 오무려지도록 구성된다.In the above, the conduit tube 34 is a form in which the support tube 2 of the pedestal A when relaxing the bolt 36 can penetrate with a slight margin, and has a constriction piece 30 having one side thereof ( 32) one side of the clamping piece 30 to have a coupling hole and the other side of the clamping piece 32 to have a hole so that the bolt 36 is screwed into the hole through the coupling hole in the sinning pipe 34 It is configured to be crumpled.

또한 볼트(36)는 가급적 나선부(38) 외에 다소 긴 몸체부(40)와 파지부(42)를 갖도록 하여 긴 몸체부(40)에 의해 파지부(42)가 죄임관(34)으로부터 돌출되게 하고 또 공구없이도 파지부(42)를 이용하여 쉽게 풀고 죄여줄 수 있도록 하는 것이 바람직하다.In addition, the bolt 36 preferably has a rather long body portion 40 and a grip portion 42 in addition to the spiral portion 38 so that the grip portion 42 protrudes from the clamping pipe 34 by the long body portion 40. And it is desirable to be able to easily loosen and tighten using the grip portion 42 without tools.

본 발명은 연결구(C)의 걸림부(6)에 받침판(16) 내지는 좌판을 갖는 승강대(B)의 안내관(4) 단부가 긴밀히 삽입고정되게 하고, 받침대(A)가 갖는 지지관(2)이 연결구(C)가 갖는 죄임부(8)를 관통하여 걸림부(6)가 갖는 고정핀(14)이 후퇴케 한 상태에서 승강대(B)의 안내관(4) 내에 삽입되게 하는 것으로 조립완료되므로 간단히 조립하여 사용할 수가 있게 된다.The present invention allows the guide tube 4 end of the platform B having the support plate 16 or the seat plate to be tightly inserted and fixed to the engaging portion 6 of the connector C, and the support tube 2 of the support A is fixed. ) Is inserted into the guide tube 4 of the platform B in a state where the fixing pin 14 of the locking portion 6 is retracted through the clamping portion 8 of the connector C. Once completed, it can be easily assembled and used.

사용자의 체형에 따른 본 발명의 높낮이 조절은 죄임부(8)의 볼트(36)를 이완시키고 걸림부(6)가 갖는 눌름편(22)을 눌러서 그 하부에 연결된 걸림핀(28)이 받침대(A)가 갖는 걸림공(10)으로부터 이탈하도록 한 상태에서 받침대(A)로부터 승강대(B)를 승강시켜서 높낮이를 조절하고, 높낮이 조절후 눌름편(22)이 복귀스프링(24)에 의해 복귀되게 하면 걸림핀(14)이 받침대(A)의 선택된 걸림공(10)내에 진입하여 조정된 높낮이를 유지시켜 주게 되는바, 높낮이조정이 눌름편(22)의 원터치로 이루어지게 된다.Height adjustment of the present invention according to the user's body is to relax the bolt 36 of the clamping portion 8 and pressing the pressing piece 22 of the locking portion 6 has a locking pin 28 connected to the bottom of the pedestal ( Lift the platform B from the pedestal A in the state where it is separated from the locking hole 10 of A), and adjust the height. After the height adjustment, the pressing piece 22 is returned by the return spring 24. When the locking pin 14 enters the selected locking hole 10 of the pedestal A to maintain the adjusted height, the height adjustment is made by one-touch of the pressing piece 22.

또한 연결구(C)의 걸림부(6)를 이용한 높낮이 조정후에는 상기 걸림부(6) 하부에 갖는 죄임부(8)의 볼트(36)를 죄여주게 되면 죄임관(34)이 오무려지면서 상기 죄임관(34)을 관통하는 받침대(A)의 지지관(2) 외면에 긴밀히 접촉하여 강한 일체감을 갖게 되므로 받침대(A)와 승강대(B) 사이의 유격을 없애 줄 수가 있어 보다 안정감있게 사용할 수가 있고 또 걸상의 경우 상시 바른 자세를 유지할 수가 있게 된다. In addition, after adjusting the height using the locking portion (6) of the connector (C) and tightening the bolt 36 of the clamping portion (8) having the lower portion of the locking portion (6) while the conduit pipe 34 is the Close contact with the outer surface of the support tube (2) of the pedestal (A) penetrating the sinok pipe 34 has a strong sense of unity can eliminate the play between the pedestal (A) and the platform (B) can be used more stable In addition, the stool can always maintain the correct posture.

그리고 본 발명은 그 기술적 사상이나 전망으로부터 개별적으로 이해되어져서는 안되며, 당업자에 의하여 다양하게 실시될 가능성이 있는 것이면 모두 동일기술범주 내에 속한다 할 것임은 자명하다 할 것이다.In addition, the present invention should not be understood individually from the technical idea or the prospect, and it will be apparent that all of them belong to the same technology category as long as they can be variously implemented by those skilled in the art.

이와 같이 본 발명은 연결구(C)의 걸림부(6)가 갖는 눌름편(22)의 원터치로 높낮이 조정이 이루어질 수가 있어 보다 편리하게 이용할 수가 있고, 특히 높낮이조정후 걸림부(6) 하부의 죄임부(8)가 갖는 볼트(36)의 죄임으로 받침대(A)의 지지관(2) 외면에 긴밀히 접촉하여 받침대(A)와 승강대(B) 사이의 유격을 없애줄 수가 있어 보다 안정감있게 이용할 수가 있을 뿐 아니라 걸상에 적용시 상시 바른 자세를 유지할 수가 있어 성장기의 어린이나 청소년들의 건강을 지켜줄 수가 있는 유용한 발명인 것이다.As described above, the present invention can adjust the height by one touch of the pressing piece 22 of the locking portion 6 of the connector C, so that it can be used more conveniently. Particularly, the clamping portion under the locking portion 6 after the height adjustment can be used. Due to the clamping of the bolts (8), the contact between the support tube (2) of the pedestal (A) is in close contact with each other, thereby eliminating the play between the pedestal (A) and the platform (B). But it is a useful invention that can protect the health of children and adolescents in the growing season to maintain a correct posture when applied to a stool.

Claims (2)

승강대의 안내관이 갖는 통공과 받침대의 지지관이 갖는 선택된 걸림공이 연통되게 하여 걸림부의 눌름편이 갖는 걸림핀이 복귀스프링의 반발력에 의해 연통된 통공과 걸림공 내에 진입하여 조정된 높낮이를 유지하고, 상기 눌름편의 눌름시 걸림핀이 통공과 걸림공으로부터 분리되어 높낮이 조정이 이루어질 수 있도록 구성되는 책·걸상의 높낮이 조절장치에 있어서, 상기 걸림부(6)는 안내관(4)이 결합고정되는 연결구(C)의 연결관(18) 측에 연결설치되게 하고, 상기 연결관(18) 아래에는 지지관(2)을 결합하는 죄임관(34)이 연장형성되게 하되 상기 죄임관은 일측 죄임편(30)의 결합공을 관통하는 볼트(36)가 타측 죄임편(32)의 나공에 체결되게 하여 상기 볼트(36)의 죄임으로 죄임관이 오무려져 죄임이 이루어지도록 구성함을 특징으로 하는 책·걸상의 높낮이 조절장치.The through hole of the guide tube of the platform and the selected stop hole of the support tube of the platform communicate with each other so that the engaging pin of the pressing piece of the catch portion enters into the through hole and the engaging hole communicated by the repulsive force of the return spring, and maintains the adjusted height. In the height adjustment device of the book and the stool is configured so that the locking pin is separated from the through hole and the locking hole when the pressing piece is pressed so that the height adjustment can be made, the locking portion 6 is a connector that the guide tube 4 is coupled and fixed (C) to be connected to the connection pipe 18 side, under the connection pipe 18 to be extended to the conduit pipe 34, which combines the support pipe (2), but the conduit is one side of the sin ( The bolt 36 penetrating through the coupling hole of 30) is fastened to the hole of the other side of the clamping piece 32, and the sinner's pipe is contaminated by the sin of the bolt 36, so that the sin is formed. High and low This adjuster. 삭제delete
KR1020040056470A 2004-07-20 2004-07-20 Height adjusting device of desk and chair KR100669223B1 (en)

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KR102105506B1 (en) * 2019-11-28 2020-04-28 우진교구산업(주) Hight Control Device for Desk or Chair

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CN103269619A (en) * 2010-09-13 2013-08-28 阿蒂科国际美国有限公司 Folding chair safety lock
CN106808856A (en) * 2016-12-16 2017-06-09 枣庄学院 Whiteboard session table based on teaching purposes
KR101917034B1 (en) * 2017-07-10 2019-01-30 주식회사 플라팜 Leg apparatus for desk

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KR200259767Y1 (en) 2001-10-19 2002-01-09 손기택 Device for supporting upper body for desk
KR20020081641A (en) * 2001-04-20 2002-10-30 도림산업 주식회사 a desk and chair make high regulation equipment
KR200331920Y1 (en) * 2003-08-16 2003-11-01 듀오백코리아 주식회사 Height conditioning apparatus of armrest for chairs
KR200345835Y1 (en) 2004-01-02 2004-03-25 백남준 device for adjusting height of desk

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KR970056711U (en) * 1997-07-31 1997-11-10 공간찬넬주식회사 Holding pipe with height adjustment device
KR20020081641A (en) * 2001-04-20 2002-10-30 도림산업 주식회사 a desk and chair make high regulation equipment
KR200259767Y1 (en) 2001-10-19 2002-01-09 손기택 Device for supporting upper body for desk
KR200331920Y1 (en) * 2003-08-16 2003-11-01 듀오백코리아 주식회사 Height conditioning apparatus of armrest for chairs
KR200345835Y1 (en) 2004-01-02 2004-03-25 백남준 device for adjusting height of desk

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Publication number Priority date Publication date Assignee Title
KR102105506B1 (en) * 2019-11-28 2020-04-28 우진교구산업(주) Hight Control Device for Desk or Chair

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