baber/WOPTO huggingface dataset:
Patent KR-102089944-B1 (KR)
Inventor: GANG JONG SOO
IPC: B66D1/08
Filed: 2019-06-24
Granted: 2020-05-15
Abstract: A windlass with an automatic braking control device, according to the present invention, comprises: a main motor which generates rotational force to rotate a chain lifter by hydraulic pressure; a closed-loop type pumping unit for forcibly pumping hydraulic oil in conjunction with the main motor; a power unit which generates a rotational power source of the chain lifter by the hydraulic pressure of the hydraulic oil provided by the pumping unit; a gearbox for transmitting the rotational power of the power unit to the chain lifter; a cooler which cools in an air cooling manner by enabling the hydraulic oil to pass through the inside; a control unit for controlling the operation of the pumping unit; and an automatic braking control device which limits the free fall speed of an anchor to a certain speed or less by controlling the operation of a brake unit by detecting the rotational operation of the brake unit which provides braking force to the chain lifter.
Patent KR-102012322-B1 (KR)
Title: Management System for Life Waste
Inventor: PARK JONG WON
IPC: G07F17/42
Filed: 2019-06-26
Granted: 2019-08-20
Abstract: According to a management system for a household waste of the present invention, a means of selling stickers for discharging household waste is installed in an apartment management office in order to establish a unified collection management system for each type of household waste, the management office establishes a prompt and transparent management system while preventing irregular discharge by immediately issuing and attaching stickers for discharging household waste selected by each type of household waste by the household waste manager, and a collection company is notified in real-time when the household waste is discharged such that a rapid collection process can be performed.
Patent KR-102187788-B1 (KR)
Title: Apparatus for integrating on board charging system with hybrid starter generator system
Inventor: YOUNG HO KIM
IPC: B60L53/53
Filed: 2019-07-02
Granted: 2020-12-08
Abstract: The present invention relates to an integrated apparatus of an on-board charging system and a hybrid starter and generator (HSG) system which can integrate and use an on-board charging system and a hybrid starter and generator system. The integrated apparatus of an on-board charging system and a hybrid starter and generator system operates in one mode among a charging mode, a discharging mode, and a driving mode, and comprises: a converter unit to receive alternating current power from a commercial power system to convert the alternating current power into direct current power to charge a battery when operating in the charging mode, and boost low-voltage direct current power output from the battery into high-voltage alternating current power when operating in the discharging mode; an inverter unit to receive alternating current power from the commercial power system to convert the alternating current power into high-voltage direct current power when operating in the charging mode, and convert direct current power of the battery into alternating current power when operating in the discharging mode; a power system linking filter unit which drives a hybrid starter and generator (HSG) as an original hybrid starter and generator function when operating in the driving mode, and is realized as an LCL filter when operating in the charging mode and the discharging mode; a plurality of opening and closing switches to switch for opening and closing or connection of circuits for the converter unit, the inverter unit, and the power system linking filter unit; and a control unit to control the converter unit, the inverter unit, the power system linking filter unit, and the plurality of opening and closing switches in response to the charging mode, the discharging mode, and the driving mode.
Patent KR-102021525-B1 (KR)
Title: Integrated heat pump system with many functions
Inventor: KIM JAE WOONG
IPC: F16K11/10
Filed: 2019-07-04
Granted: 2019-09-16
Abstract: The present invention relates to a multifunctional integrated air source heat pump system having an improved simultaneous cooling and heating function and dehumidifying and defrosting functions, capable of simultaneously supplying hot water for heating and cooling and having the simultaneous hot-water supply function for heating and cooling and the dehumidifying and defrosting functions. According to the present invention, the multifunctional integrated air source heat pump system includes: a compressor (10); an oil separator (20) separating an oil ingredient from a heat circulation medium; a first three way valve (30) installed in order for the heat circulation medium to flow in the compressor (10); a heat source distribution unit (40) distributing the heat circulation medium by being connected to the first three way valve (30); an inner heat exchanger (50) performing heat exchange between an outer heat source and the heat circulation medium supplied from the heat source distribution unit (40); a plate-shaped heat exchanger (60) generating hot water as the heat circulation medium supplied from the heat source distribution unit (40) is heat-exchanged with cold water supplied by a pump (71) in a cold and hot water tank (70); a liquid receiver (90) accommodating the heat circulation medium discharged from the inner heat exchanger (50) and the plate-shaped heat exchanger (60); an outer heat exchanger (100) performing heat exchange between the outer heat source and the heat circulation medium supplied from the liquid receiver (90); and a second three way valve (110) installed in order for the heat circulation medium discharged from the outer heat exchanger (100) to flow through a flow path (100d).
Patent KR-102183487-B1 (KR)
Inventor: PARK JAE BONG
IPC: B22C9/20
Filed: 2019-07-08
Granted: 2020-11-26
Abstract: The present invention relates to a continuous vertical centrifugal casting method, which comprises the steps of: (1) preparing an assembly core in which a sand mold and a core are assembled, a turntable formed to be axially rotated by a driving force, and a molten metal capable of being injected into the turntable by melting a metal raw material in a melting furnace; (2) installing the assembly core in the turntable; (3) preparing a centrifugal casting process by attaching a turntable cover and an injection port to the turntable; (4) applying a centrifugal force to the turntable to inject the molten metal while rotating the turntable around an axis in the gravitational direction, and performing centrifugal casting in which the molten metal is solidified to cast a product; and (5) separating the turntable cover and taking out the product from the sand mold. According to the present invention, the continuous vertical centrifugal casting method has the effect of shortening the manufacturing process and reducing the amount of consumption, so that the process efficiency is excellent, and at the same time, products of uniform quality can be continuously produced with a high recovery rate. In addition, the continuous vertical centrifugal casting method fuses sand casting and semi-centrifugal casting to complement the shortcomings of these casting methods, and can express only the advantages excellently, so that there is the effect of being able to easily manufacture various types of products customized to the needs of orderers repeatedly and continuously.
Patent KR-102523772-B1 (KR)
IPC: H04N7/18
Filed: 2019-07-23
Granted: 2023-04-20
Abstract: 촬상장치는, 촬상소자와, 촬상광학계의 광축에 직교하는 면과 상기 촬상소자의 촬상면 사이의 각도를 변경하도록 구성된 각도 제어부와, 조명부와, 상기 각도에 근거하여 상기 조명부의 광축방향을 변경하도록 구성된 조명 제어부를 구비한다.
Patent KR-102161099-B1 (KR)
Inventor: CHANG SI HUAN
IPC: C08L63/00
Filed: 2019-07-24
Granted: 2020-09-29
Abstract: The present invention relates to a water-dispersible epoxy resin composition with improved freeze stability. More particularly, the present invention provides a water-dispersible epoxy resin composition consisting of an epoxy-modified nonionic surfactant represented by chemical formulas 1 to 3 of the present invention, an epoxy resin, and water. The water-dispersible epoxy resin composition according to the present invention has an advantage that emulsion particles are not destroyed and maintained in a thawing process after freezing even if the freezing and thawing processes are repeated, and thus the emulsion particles can be reused.
Patent KR-102432944-B1 (KR)
Title: 점착 조성물
IPC: C09J11/06
Filed: 2019-07-25
Granted: 2022-08-17
Abstract: 본 출원은 점착제 조성물, 광학 적층체, 편광판 및 디스플레이 장치에 관한 것이다. 본 출원에 따른 점착 조성물은 점착형 편광판에 대하여 우수한 내구성과 우수한 광 특성을 제공할 수 있다.
Patent KR-102504956-B1 (KR)
Title: 반송 시스템, 가동자, 제어장치 및 제어 방법
IPC: B65G54/02
Filed: 2019-07-26
Granted: 2023-03-02
Abstract: 반송 시스템은, 제1의 방향에 평행하게 배치된 제1의 자석군과, 상기 제1의 방향과 교차하는 제2의 방향에 평행하게 배치된 제2의 자석군을 갖는 가동자; 및 상기 제1의 자석군 및 상기 제2의 자석군에 대향가능하게 상기 제1의 방향에 평행하게 배치된 복수의 코일을 구비하고, 상기 가동자는, 상기 복수의 코일로부터 상기 제1의 자석군 또는 제2의 자석군이 받는 전자력에 의해 자세가 제어되면서, 상기 복수의 코일로부터 상기 제1의 자석군이 받는 전자력에 의해 상기 복수의 코일을 따라 상기 제1의 방향에 이동가능하다.
Patent KR-102309540-B1 (KR)
IPC: G10L15/08
Filed: 2019-07-30
Granted: 2021-10-07
Abstract: 사용자의 음성 입력에 기초하여 디바이스를 제어하는 서버 및 그 동작 방법을 개시한다. 본 개시의 일 실시예는 복수의 디바이스를 포함하는 네트워크 환경에서 클라이언트 디바이스로부터 수신한 사용자의 음성 입력과 관련된 타겟 디바이스의 타입을 결정하고, 결정된 타입 및 복수의 디바이스에 관한 디바이스 정보에 기초하여 타겟 디바이스를 결정하고, 결정된 타겟 디바이스가 동작을 수행하기 위한 동작 정보를 획득하는 서버 및 서버의 동작 방법을 제공한다.
Patent KR-102211953-B1 (KR)
Title: Method for manufacturing fuel tank cover for vehicle
Inventor: JOUNG SANG JIN
IPC: B29B11/08
Filed: 2019-07-31
Granted: 2021-02-04
Abstract: The present invention relates to a manufacturing method of a vehicle fuel tank cover, capable of significantly improving productivity and quality and, more specifically, to a manufacturing method of a vehicle fuel tank cover, which is injection molded by inserting a connection terminal into a main injection mold. The manufacturing method of a vehicle fuel tank cover comprises the steps of: classifying a plurality of connection terminals into a plurality of groups; obtaining a preform by forming a preform unit which performs at least one of a connection function for interconnecting the connection terminals of each group and a stop function limiting the mounting depth in which the connection terminals are inserted into each insertion hole provided in the main injection mold; and inserting the preforms of each group pre-injected into each insertion hole provided in the main injection mold and performing the main injection.
Patent KR-102078343-B1 (KR)
Title: Quick-hardening concrete composition and repairing method using this
Inventor: JUNG WOO YEON
IPC: C04B26/06
Filed: 2019-08-05
Granted: 2020-02-17
Abstract: The present invention relates to an acryl latex-modified ultra-quick hardening concrete composition using calcium aluminate-based amorphous reduction slag, and a repair and reinforcement method using the same. More specifically, amorphous reduction slag and latex compositions are contained in concrete used for pavement including a road to overcome limit at the low temperature of a material, such as C_4A_3S (hauyne), alumina cement and the like, provide excellent elongation rate and tensile force, increase adhesion with cement, and form a strong adhesion strength with a concrete base material. According to the present invention, the method comprises a cutting step, a surface treatment step, a preparation step, a deposition step, and a curing step.
Patent KR-102290489-B1 (KR)
IPC: E02F3/38
Filed: 2019-08-09
Granted: 2021-08-13
Abstract: 본 발명은 굴착기용 로테이팅 어뎁터 브레이크장치에 관한 것이다. 이는, 굴착기의 붐대 단부에 설치되며, 워엄휠, 상기 워엄휠에 치합한 상태로 워엄케이스에 내장되는 워엄, 상기 워엄을 구동하는 모터를 갖는 로테이팅 어뎁터의 측부에 장착되어, 외부로부터 상기 워엄휠에 전달된 힘에 의해 워엄이 회전하는 것을 방지하는 것으로서, 상기 워엄케이스의 측부에 고정되는 하우징과, 상기 하우징의 내부에 설치되며 상기 워엄에 연결되어 워엄과 함께 회전 가능한 스토핑로터와, 상기 하우징내에 구비되며, 상기 스토핑로터를 하우징 자체에 결합시켜 스토핑로터의 회전을 차단하는 록킹부와, 필요시 외부로부터 가해진 유압에 의해 작동하여, 상기 스토핑로터와 하우징의 결합상태를 해제시킴으로써, 스토핑로터가 회전할 수 있게 하는 릴리징수단을 포함한다. 
상기와 같이 이루어지는 본 발명의 굴착기용 로테이팅 어뎁터 브레이크장치는, 최소한의 유압에 의해 동작하므로 구동을 위한 에너지 소모가 매우 작고, 구조가 컴팩트하여 공간을 거의 차지하지 않으며, 강력한 브레이킹이 가능하여 버킷의 틀어짐을 효과적으로 방지할 수 있다.
Patent KR-102218331-B1 (KR)
Title: Packing Processing Apparatus
Inventor: AHN KWANG NAM
IPC: B65D6/34
Filed: 2019-08-14
Granted: 2021-02-22
Abstract: The present invention relates to a packing material, which is bent to surround an outer circumference of an object to be packed and packages the object. Provided is a packing material processing device, which comprises: a first plate made of a plate shape; a second plate having a second coupling plate coupled to a first coupling plate; and a bending guide groove heated and compressed by the press device to be formed in a bending area of the first plate and the second plate. The packing material is packed in a box shape by enabling each of the first plate and the second plate to be bent along the bending guide groove.
Patent KR-102255410-B1 (KR)
IPC: G01S5/02
Filed: 2019-08-26
Granted: 2021-05-24
Abstract: 본 발명은 공중 위치 기준 노드를 선정하는 방법 및 장치를 제공한다.  
본 발명에서는 중계기들의 위치 좌표를 이용하여 중계기들에 대한 무게중심 좌표를 산출하고, 무게중심 좌표와 사용자의 위치 좌표를 잇는 벡터를 법선 벡터(normal vector)로 갖는 평면을 결정하며, 중계기들의 좌표를 평면에 정사영할 수 있다. 
본 발명에서는 중계기들의 정사영된 좌표와 무게중심 좌표에 기초하여, 무게중심 좌표로부터 가장 멀리 떨어진 소정 개수의 중계기들을 공중 위치 기준 노드로 선정할 수 있다.
Patent KR-102195625-B1 (KR)
Title: 타겟 물질 검출을 위한 방법 및 키트
IPC: G01N33/58
Filed: 2019-08-28
Granted: 2020-12-28
Abstract: a) 기판에 타겟 물질을 함유한 시료를 도입하는 단계; b) 상기 타겟 물질에 도킹 스트랜드(docking strand)가 구비된 검출 프로브를 특이적으로 결합시키는 단계; c) 상기 도킹 스트랜드에 상기 도킹 스트랜드와 상보적으로 결합하는 적어도 하나의 별도 스트랜드를 도입시키되, 상기 도킹 스트랜드와 상기 별도 스트랜드 중 어느 하나 또는 각각에 적어도 하나의 도너 형광 물질과 적어도 하나의 억셉터 형광 물질이 구비된 것인 단계; 및 d) 상기 도너 형광 물질과 상기 억셉터 형광 물질 사이의 프렛(FRET)에 의한 형광 신호를 측정하여 상기 타겟 물질을 판독하는 단계를 포함하는 타겟 물질 검출방법이 제공된다.
Patent KR-102071048-B1 (KR)
Inventor: JEONG SUNG YEOP
IPC: G01T1/167
Filed: 2019-09-02
Granted: 2020-01-29
Abstract: The present invention relates to an operation method of a nuclide analysis apparatus, and more specifically, to an operation method of a nuclide analysis apparatus for improving accuracy of nuclide analysis of a multi-embedded drum, which expands a measurement range of an existing drum nuclide analysis apparatus, limited to a single-embedded drum, and selectively uses a projection source medium attenuation compensation method and a multi-efficiency medium attenuation compensation method to evaluate even radionuclide radioactivity of a multi-embedded drum, so that the radionuclide radioactivity of both the single-embedded drum and the multi-embedded drum can be evaluated.
Patent KR-102227620-B1 (KR)
Title: All-purpose convergence back pack using FOLED
Inventor: HONG SUNG MIN
IPC: G09F13/04
Filed: 2019-09-06
Granted: 2021-03-16
Abstract: The present invention relates to a multipurpose backpack system of ICT fusion. The backpack system comprises: a light emitting display panel (3); an optical fiber (13); a light emitting source (15); a speaker (5) and a microphone (31); a first platform (7); and a second platform (8). The light emitting display panel (3) is mounted on an object (1) and displays an image or a character. The optical fiber (13) allows one end to be connected to the light emitting display panel (3) and emits light to the outside through the light emitting display panel (3). The light emitting source (15) is connected to the other end of the optical fiber (13), emits the light, and transmits the light to the optical fiber (13). The speaker (5) and the microphone (31) are mounted at a predetermined position of the object (1). The first platform (7) is connected to the light emitting source (15), and receives and controls a signal of a remote controller. The second platform (8) transmits and receives telephone communication and voice signals by maintaining pairing with a mobile communication device (9).
Patent KR-102278244-B1 (KR)
IPC: B66F7/02
Filed: 2019-09-16
Granted: 2021-07-16
Abstract: 본 발명의 일 실시예에 따른 도포 장치는, 건축물의 벽면을 도료로 도포하기 위한 장치로, 제1 와이어의 길이 변화에 따라 상기 벽면 중제1 벽면을 따라 위치 이동이 가능한 제1 프레임, 상기 제1 프레임에 장착되어 상기 제1 프레임이 상기 제1 벽면을 따라 안정적으로 위치 이동이 가능하도록 하는 제1 바퀴부 및 상기 제1 프레임을 따라 상기 제1 프레임을 기준으로 한 좌측 방향 또는 우측 방향으로 이동 가능하도록 상기 제1 프레임에 장착되며, 상기 제1 벽면에 제1 도료를 분사하는 제1 분사부를 구비하는 제1 도포 장치; 및 제2 와이어의 길이 변화에 따라 상기 벽면 중 제2 벽면을 따라 위치 이동이 가능한 제2 프레임, 상기 제2 프레임에 장착되어 상기 제2 프레임이 상기 제2 벽면을 따라 안정적으로 위치 이동이 가능하도록 하는 제2 바퀴부 및 상기 제2 프레임을 따라 상기 제2 프레임을 기준으로 한 좌측 방향 또는 우측 방향으로 이동 가능하도록 상기 제2 프레임에 장착되며, 상기 제2 벽면에 제2 도료를 분사하는 제2 분사부를 구비하는 제2 도포 장치;를 포함하며,  상기 제1 도포 장치 및 상기 제2 도포 장치는, 각각 상기 제1 벽면 및 상기 제1 벽면과 소정의 각도로 연장되어 형성되는 상기 제2 벽면을 동시에 도포하기 위해, 서로 연동되어 위치 이동이 되는 것을 특징으로 할 수 있다.
Patent KR-102198979-B1 (KR)
Inventor: PYO HYUNGJOON
IPC: H04N5/232
Filed: 2019-09-19
Granted: 2021-01-06
Abstract: The present invention provides a monocular camera device which is easy for installation and enables rapid synthesis of high-capacity images. For the above purpose of the present invention, the monocular camera device comprises an image synthesis camera device and an image analysis device, wherein the image synthesis camera device includes: a camera lens; an image sensor unit photographing and receiving a plurality of images having different focal points depending on a portion of an object with respect to the object; an image synthesis unit synthesizing and correcting the plurality of images through an FPGA-based circuit to provide the synthesized image; and a communication unit sending the synthesized image to the image analysis device.
Patent KR-102108134-B1 (KR)
Inventor: KANG HO SUNG
IPC: B01D47/06
Filed: 2019-09-23
Granted: 2020-05-07
Abstract: The present invention is to provide an atmospheric fine dust removal device which can efficiently remove fine dust and carbon dioxide in the atmosphere over a wide area. The atmospheric fine dust removal device comprises: a supplementary water pipe for purified water, a drain pipe for discharging sediment and contaminated water; a water tank for storing purified having a cylindrical shape installed with an exhaust duct for exhaust after dust removal; a high performance suction fan sucking a large amount of external air into the water tank; and an external air introduction pipe. The atmospheric fine dust removal device further includes: an air pocket forming a shade installed on the external air introduction pipe; an exhaust pipe installed on the shade; and a sterilizer included in the exhaust duct. The purified is used as lime water capable of removing carbon dioxide.
Patent KR-102145946-B1 (KR)
Title: Method for manufacturing packaging material using opaque monolayer film and packaging material to form a structure for easy identification of contents using monolayer film manufactured thereby
Inventor: KANG JUNG HYUN
IPC: C08L23/14
Filed: 2019-09-25
Granted: 2020-08-19
Abstract: The present invention relates to a method for manufacturing a packaging material by using an opaque monolayer film, and a packaging material having an envelope shape and for forming a structure for easy identification of contents by forming an opaque rear part and a transparent front part by bonding an opaque monolayer film manufactured by the method to a transparent film. According to the present invention, the method for manufacturing a packaging material comprises the steps of: (a) preparing a resin composition comprising 50 to 94% by weight of a polyolefin resin, 5 to 40% by weight of a pigment, and 1 to 10% by weight of an additive; (b) forming a monolayer film by molding the resin composition; and (c) manufacturing a packaging material having an envelope-shaped structure in which an opening is formed to accommodate an object to be packaged by using the monolayer film. The polyolefin resin comprises: 60 to 94% by weight of a polypropylene homopolymer; 3 to 10% by weight of an ethylene propylene copolymer; and 3 to 30% by weight of an ethylene propylene butylene copolymer.
Patent KR-102229496-B1 (KR)
Title: A Cam Follower
Inventor: KIM SUNG WAN
IPC: F01L1/18
Filed: 2019-09-27
Granted: 2021-03-17
Abstract: The present invention relates to a cam follower, which comprises a housing and a cam roller rotatably installed in a recess of the housing. A concave socket is formed on one side in the longitudinal direction of the housing, and a working surface in contact with a valve stem is provided on the other side in the longitudinal direction of the housing. The cam roller is positioned between the socket and the working surface in the longitudinal direction. The housing further includes guides positioned below the working surface and spaced apart from each other in the width direction. An upper portion of the valve stem passes between the guides and abuts against the working surface. A rotation generating mechanism that generates rotational force on the valve stem during operation is provided inside the guide.
Patent KR-102225488-B1 (KR)
IPC: C07D417/04
Filed: 2019-09-27
Granted: 2021-03-09
Abstract: 본 발명은 신규한 화합물 및 이를 이용한 유기발광 소자를 제공한다.
Patent KR-102221281-B1 (KR)
Title: Auto turning apparatus of seat jig in automobile seat assembly line
Inventor: JEONG DU SIK
IPC: B62D65/14
Filed: 2019-10-08
Granted: 2021-03-03
Abstract: The present invention relates to an automatic turning device for a seat jig in an assembly line of a vehicle seat, wherein a seat jig (20) on which a seat (1) is seated is automatically rotated at a certain angle by the driving of a first cylinder (300) and a motor (500) and the operation of an operating mechanism (400) in the process of moving a conveyor (10) along an assembly line of the laid seat, and accordingly, the position of the seat (1) facing an operator (W) is automatically changed.
Patent KR-102070166-B1 (KR)
Inventor: LIM HYEONG TAEK
IPC: G06F3/033
Filed: 2019-10-11
Granted: 2020-01-28
Abstract: The present invention relates to a drawing image correction system of a building using lidar data and a collected space image, which is capable of accurately producing a drawing image. The drawing image correction system comprises: a storage DB (100) storing lidar data, a space image, and a drawing image; and a drawing apparatus (200) having an input unit (210), a display unit (220), an image position control module (230), a drawing module (240), and an image moving speed adjustment module (250).
Patent KR-102211680-B1 (KR)
Title: Method for marking information on an interposer and recognizing the marked information
Inventor: OH SEONG GUK
IPC: H01L23/00
Filed: 2019-10-16
Granted: 2021-02-03
Abstract: The present invention relates to a method of marking information on an interposer and recognizing the marked information. According to the present invention, the information is white-marked on the interposer by using a green laser device (light wavelength of 532 nm), and a portion on which the information of the interposer is marked is photographed with a camera. Thereafter, a control unit converts an image of the photographed portion into a hue saturation value (HSV) color space, identifies position values where a color (hue) is white among HSV values of positions of the image, and recognizes the marked information from the identified position values. According to the present invention, the information is marked on the interposer and the marked information is recognized in an environment where a thickness of the interposer is extremely thin due to a 5G technology or the like.
Patent KR-102259504-B1 (KR)
IPC: A61B5/00
Filed: 2019-10-18
Granted: 2021-06-03
Abstract: 본 개시는 위치 조절이 가능한 손 지압 모듈을 포함하는 안마 의자에 관한 것으로써 안마의자에 포함된 팔 마사지부는, 팔걸이 프레임, 아래면의 위쪽에 길이 방향의 돌기인 가이드 레일이 형성되어 있고, 아래면의 위쪽에 길이 방향으로 돌기 및 홈이 번갈아가면서 적어도 하나 이상 있는 요철이 형성되어 있고, 좌측면의 오른쪽 또는 우측면의 왼쪽에 길이 방향으로 이탈 방지 돌기가 형성되어 있는 하부 프레임, 팔걸이 프레임의 아래에 고정되고, 하부 프레임 위에 배치되며, 가이드 레일에 대응하는 가이드 홈이 형성되어 있는 팔걸이 프레임 받침부 및 팔걸이 프레임 받침부에 형성된 돌기 삽입홈 안에 위치하며 탄성체에 의하여 팔걸이 프레임 받침부로부터 하부 프레임 쪽으로 힘을 받아 요철에 포함된 홈에 걸리는 고정 돌기를 포함하는 것을 특징으로 한다.