baber/WOPTO huggingface dataset:
Patent KR-20110075970-A (KR)
Title: Bolt supply module and bolt supply apparatus for bolting between steel beams forming steel frame construction using the same
Inventor: HONG DAE HIE
IPC: B25C1/00
Filed: 2009-12-29
Abstract: PURPOSE: A bolt supply module and bolt supply device for bolting steel beams which form a steel structure are provided to reduce a bolt fastening time by using an automated system. CONSTITUTION: A bolt supply module comprises first and second cylinders(110,120), a first elastic member, and a trigger assembly(130). A bolt is inserted through an opening of the first cylinder to be drawn out. The first elastic member offers elastic force to a bolt to the lead-out direction of bolt. The second cylinder accepts the first cylinder to slide. The trigger assembly suspends holds a bolt in order to make the leading out of bolt stop. The trigger assembly releases the bolt so that the bolt is drawn with the elastic force of the first elastic member through the opening. The trigger assembly is converted between the holding and releasing states according to the relative sliding motion between first and second cylinders.
Patent KR-20110077201-A (KR)
Title: A storing container
Inventor: BACK HYOUNG DOO
IPC: B65D43/06
Filed: 2009-12-30
Abstract: PURPOSE: A food storage container is provided to lock and unlock a lid by moving a locking member to the upper side or the outside, and to enable a user to visually check the locked condition of the container. CONSTITUTION: A food storage container includes a storage container(10), a lid(20), and a locking member. The storage container is formed in a rectangular shape with an opening. The lid is combined with the upper side of the storage container. The locking member is mounted on the lid for locking and unlocking the storage container by being moved to the upper side or the outside.
Patent KR-20090057388-A (KR)
Title: Method for producing succinimide compound
Inventor: KOZAWA MASAMI
IPC: C07D207/416
Filed: 2007-09-26
Abstract: Disclosed is a method for producing a succinimide compound. Specifically disclosed is a method for producing a succinimide compound represented by the formula (3) below (wherein R5 represents a straight chain, branched or cyclic alkyl group having 1-12 carbon atoms or the like) by reacting an aminomalonic acid ester compound represented by the formula (1) below (wherein R1 and R4 independently represent a straight chain, branched or cyclic alkyl group having 1-12 carbon atoms or the like, and R2 and R3 independently represent a hydrogen atom or the like) with a compound represented by the formula (2) below (wherein X represents a halogen atom) in a solvent in the presence of a base. This method for producing a succinimide compound is characterized in that an alcohol is used as the solvent and an alkali metal alkoxide is used as the base.
Patent KR-20090074207-A (KR)
Title: Low-voc additives for extending wet edge and open times of coatings
Inventor: STOCKL REBECCA REID
IPC: C09D7/65
Filed: 2007-10-09
Abstract: A low VOC coating additive employing a water-dispersible rosin, a high glass transition temperature water-dispersible polymer, and optionally an amphiphilic component. The additive can be added to a coating to improve the performance characteristics of the coating, such as wiped wet edge time, open time, block resistance, gloss, scrub resistance, tack-free time, dry-to-touch time, and yellowing.
Patent KR-20090086398-A (KR)
Title: Switched mode power supply
Inventor: EICHHORNER BERNHARD
IPC: H02M7/48
Filed: 2007-07-10
Abstract: The invention relates to a switched mode power supply with a transformer (1), which comprises at least one primary winding, which can be connected to a DC voltage via a switching element (4) and which comprises at least one secondary winding, which can be connected to a load via a rectifier circuit comprising at least one diode (2), wherein the switched mode power supply comprises at least one piezoelectric fan (8), which brings about an air flow at the transformer (1) and/or at the switching element (4) and/or at the diode (2). The air flow produced can be guided in a targeted manner onto the components to be cooled, with the air throughflow in total remaining low and therefore also no contamination by means of air particles arising. ® KIPO & WIPO 2009
Patent KR-20090096439-A (KR)
Title: The laser dising sheet and method for manufacturing chip body
Inventor: WAKAYAMA YOJI
IPC: C09J7/25
Filed: 2007-11-29
Abstract: The present invention aims to prevent cutting of a dicing sheet, damage to a chuck table and fusion bonding of a dicing sheet to a chuck table by laser light during laser dicing. Specifically disclosed is a laser dicing sheet which is characterized by being composed of a base made of a polyurethane acrylate and an adhesive layer formed on one side of the base.
Patent KR-20090122340-A (KR)
Title: Aqueous coating binders for corrosion protection, wood and concrete
Inventor: PAAR WILLI
IPC: C09D163/00
Filed: 2008-01-08
Abstract: This invention relates to binder mixtures comprising mass fractions of from 70 % to 98 % of chain-extended epoxy amine adducts A and from 2 % to 30 % of carboxy functional polyesters B that contain a limited amount of aromatic constituents in mass fractions of up to 15 % and have an acid number of from 4 mg/g to 50 mg/g, a method of making these binder mixtures, and a method of use thereof in coatings for metals, wood, cardboard, plaster, and concrete.
Patent KR-20100014807-A (KR)
Title: Catalyst for dehydrogenation of alkyl aromatic compound which hasimproved phys-ical properties, method for production of the catalyst, and dehydrogenation method
Inventor: MISHIMA YUJI
IPC: B29C48/91
Filed: 2008-01-25
Abstract: Disclosed is a dehydrogenation catalyst which comprises a pellet of a high-cerium-content iron oxide/potassium oxide catalyst for the dehydrogenation of an alkyl aromatic compound which is intended to be used in an industrial scale, wherein the pellet is improved in the physical strength. Also disclosed is a method for producing the dehydrogenation catalyst. Further disclosed is a dehydrogenation method using the dehydrogenation catalyst. In the production of a pellet comprising an iron oxide/potassium oxide dehydrogenation catalyst having a high cerium content, cerium carbonate hydroxide alone or a mixture of cerium carbonate hydroxide with another cerium compound is used as a cerium source, whereby a pellet having high physical strength can be produced.
Patent KR-20090122212-A (KR)
Title: Categorizing moving objects into familiar colours in video
Inventor: BROWN LISA MARIE
IPC: G06V10/56
Filed: 2008-02-15
Abstract: An improved solution for categorizing moving objects into familiar colours in video is provided. In an embodiment of the invention, a method for categorizing moving objects into familiar colours in video comprises: receiving a video input; determining at least one object track of the video input; creating a normalized cumulative histogram of the at least one object track; and one of: performing a parameterization quantization of the histogram including separating the histogram into regions based on at least one surface curve derived from one of saturation and intensity; or identifying a significant colour of the quantized histogram.
Patent KR-20090128408-A (KR)
Title: Red emitting luminescent materials
Inventor: SCHMIDT PETER J
IPC: C09K11/80
Filed: 2008-01-31
Abstract: The invention relates to an improved red light emitting material of the formula MASiNO:REwhereby M is selected out of the group comprising Ba, Sr, Ca, Mg or mixtures thereof, A is selected out of the group comprising Al, Ga, B or mixtures thereof, RE is selected out of the group comprising rare earth metals, Y, La, Sc or mixtures thereof and x is >=0 and <=1 and y is >=0 and <=0.2. This material is believed to crystallize in a novel structure type that comprises two individual lattice sites for rare 10 earth metal incorporation, which leads to an improved lighting behaviour.
Patent KR-20090128500-A (KR)
Title: Preparation of a condensation resin and impregnation process
Inventor: CRAMER WILHELMUS JACOBUS
IPC: B01J19/00
Filed: 2008-04-11
Abstract: The present invention relates to a process for the preparation of a condensation resin at elevated temperature and pressure, wherein the monomers of the condensation resinare fed continuously to a tubular reactor provided with static mixer elements.
Patent KR-20110070649-A (KR)
Inventor: WOHL PETER
IPC: G01R31/3183
Filed: 2009-09-01
Abstract: 스캔 테스트와 스캔 압축이 비용 절감과 실장 품질을 실연하는데 주요하다. 보다 복잡한 설계에서 새로운 결함 타입은 증가된 압축을 필요로 한다. 그러나 알려지지 않은 (X) 값의 증가된 밀도가 압축 효율을 감소시킨다. 스캔 압축 방법은 매우 높은 압축과 알려지지 않은 임의의 밀도에 대한 풀 커버리지를 달성할 수 있다. 설명된 기술이 DFT와 ATPG 흐름에 완전히 결합될 수 있다. 이들 방법을 산업상의 설계에 사용하는 것이 다른 방법에 대한 일관되고 예측 가능한 이점을 증명하도록 한다.
Patent KR-20100029086-A (KR)
Title: Substrate transport apparatus
Inventor: CAVENEY ROBERT T
IPC: G03F7/20
Filed: 2008-05-08
Abstract: A substrate transport apparatus including a first shaftless rotary motor including a first stator and a first rotor, the first stator being linearly distributed and the first rotor being coupled to a first arm, a second shaftless rotary motor including a second stator and second rotor, the second stator being linearly distributed and the second rotor being coupled to a second arm, the second arm being connected to the first arm and a first substrate support being coupled to at least one of the first and second arms, wherein the first stator and second stator are configured so that the first and second arms and the first substrate support are inside the stators and a motor output at a connection between the first and second shaftless rotary motors and a respective one of the first and second arms is a resultant force disposed peripheral to the first and second arms.
Patent KR-20100024445-A (KR)
Title: Information collection system, information registration server, information collection method, and mobile terminal device
Inventor: KIKUCHI SHIN
IPC: H04W4/029
Filed: 2007-07-06
Abstract: A public wireless LAN accessible area collection system (1) includes a mobile terminal device (10) having GPS means (12), wireless LAN communication means (13), and data communication means (17) and a server (20) which has storage means (22) and accessible area map generation means (24) and performs data communication with the mobile terminal device (10). When the wireless LAN communication means (13) recognizes that the mobile terminal device (10) exists in the area in which the mobile terminal device can be connected to the public wireless LAN, it obtains access information in the area. The data communication means (17) transmits location information and access information to the server (20). The server (20) associates the location information with the access information that are received from the mobile terminal device (10) and stores them in the storage means (22). The accessible area map generation means (24) applies the location information about the area in which the mobile terminal device can be connected to the public wireless LAN to the map data according to the location information stored in the storage means (22).
Patent KR-20110080416-A (KR)
Title: Organic solvent basded silicone release liquid and polyester release film using the same
Inventor: SHIN JUN HO
IPC: C08K5/5415
Filed: 2010-01-05
Abstract: PURPOSE: An organic solvent-based silicone release solution is provided to ensure excellent moldability in the coating of a base film and high film hardness, and to secure little change of physical properties due to excellent initial hardness. CONSTITUTION: An organic solvent-based silicone release solution comprises: 1~10 weight% of an organic solvent-based silicone mixture consisting of polydimethylsiloxane represented by chemical formula 1 and a hydrogensilane-based compound represented by chemical formula 2; 0.01~1 weight% of a platinum catalyst-containing mixture; 0.01-1 weight% of an organic solvent-based resin silicone mixture containing a vinyl group; and the remaining amount of organic solvents.
Patent KR-20110082847-A (KR)
Title: Communication module for busduct power distributing board and communication method thereof, installation structure thereof
Inventor: PARK JAE HOON
IPC: H02B1/20
Filed: 2010-01-12
Abstract: PURPOSE: A communication module for a busduct power distributing board and a communication method thereof are provided to input various data in an analog or a digital form. CONSTITUTION: An analog input part(32) processes analog type date which includes current and voltage data. A digital input part(33) receives digital data which includes the state of a breaker and a temperature and outputs the digital data to a controller. A communication unit(36) performs communication with a higher level monitoring system. A power monitor(37) monitors the power failure state of the direct current.
Patent KR-20110086281-A (KR)
Title: Bus stop bell system using mobile
Inventor: KWON CHEOL SHIN
IPC: H04W4/04
Filed: 2010-01-22
Abstract: PURPOSE: A bus alight bell operation system by using a mobile terminal is provided to operate an alight bell by using the mobile terminal that belongs to a passenger in a bus. CONSTITUTION: A reception unit(20) establishes a natural frequency in a corresponding bus. The reception unit wirelessly receives an alight signal from the passenger. The reception unit transmits the received alight signal to a bus stop bell operating unit so that the alight bell can operate. A passenger mobile terminal(30) performs a frequency setting in order to accord with the natural frequency. The passenger mobile terminal is transmitted the alight signal by the passenger.
Patent KR-20100092372-A (KR)
Title: Tilt type sliding module for mobile phone
Inventor: LEE SUNG JUN
IPC: H04M1/02
Filed: 2010-01-25
Abstract: PURPOSE: A sliding module of a tilt type mobile phone is provided to perform a tilt operation of a mobile phone screen unit by a stage, thereby variously determining a tilt angle based on convenience of a user. CONSTITUTION: A control bracket(40) guides a stable tilt operation of a tilt rotating unit(38). A spring ball(70) performs a stop operation by a stage and keeps a stable tilting state during the rotating operation of the tilt rotating unit. A stopper shaft(60) restricts the maximum tilt rotating angle of the tilt rotating unit. A stopper shaft control hole(32) penetrates the tilt rotating unit. The stopper shaft control hole generates upper and lower side hanging operations by the stopper shaft.
Patent KR-20110087519-A (KR)
Inventor: LEE YONG HWA
IPC: C02F1/36
Filed: 2010-01-26
Abstract: 본 발명은 정수기에 연결되어 밸브(15)로 급수하는 장치에 있어서: 상기 정수기와 연결되는 입력포트(21)와 최상면의 출력포트(22)를 지니고, 내부를 관통하여 중공부(25)가 형성되는 저장탱크(20); 상기 입력포트(21) 측으로 설치되어 물을 가압 이송하는 급수펌프(30); 상기 저장탱크(20)의 수위변화를 감지하도록 설치되는 검출수단; 및 상기 검출수단의 신호를 입력하여 줄어든 수위만큼 물을 보충하고 중공부(25)의 UV램프(35)를 작동하는 제어기(50);를 포함하여 이루어지는 것을 특징으로 한다. 
시중에 판매되는 어느 방식의 정수기에나 적용하여 최종단계에서 오염을 방지할 수 있고, 항시 살균 작동을 수행하지 않고 설정된 조건에 의해 간헐적으로 작동하여 전기소모를 줄인다.
Patent KR-20110088812-A (KR)
Title: Curtain wall system
Inventor: LEE DUK REA
IPC: E04B2/96
Filed: 2010-01-29
Abstract: PURPOSE: A curtain wall system is provided to improve the exterior and interior of the curtain wall system by preventing connection members of vertical and horizontal frames from being exposed to the outside. CONSTITUTION: A curtain wall system comprises a T-shaped vertical frame(10), a horizontal frame(60), and a double-layered glass(70). The vertical and horizontal frames are composed of an aluminum material. The vertical frame has a body divided into a front short space(13) and a rear long space(14). A steel reinforcing plate(20) having C-shaped connection pieces is inserted into the rear long space. Coupling holes(15) are formed in both sides of the front short space of the vertical frame. A connector(40) is coupled to the coupling holes.
Patent KR-20110090543-A (KR)
Title: System for offering book location information and method thereof
Inventor: MOON SUNG WOOK
IPC: G06F17/30
Filed: 2010-02-04
Abstract: PURPOSE: A book location information providing system and method thereof are provided to easily search for a book in a place and to visualize location information in a book search terminal. CONSTITUTION: A keyword receiving unit(110) receives a keyword of a book inputted to a book search cluster through a communication network. A book searching unit(120) refers to the information of the book received in the keyword receiving unit. A position calculator(130) calculates the location of the book matched with the information of the book by using the information of the book.
Patent KR-20110092036-A (KR)
Title: Method for operating of dishwasher
Inventor: KIM JUN HO
IPC: A47L15/46
Filed: 2010-02-08
Abstract: PURPOSE: A fur does not remain when biting inside a washing tub. The cleaning driving function is had in the rest state. Automatically, the cleaning work can be proceed. CONSTITUTION: An operation control method of a dish washer comprises the following steps. A drainage driving selection switch is operated and the drainage operation mode is established(102). A drainage operation screen which shows the drainage operation state in the rest state after establishing the drainage operation mode is indicated(105). After indicating the drainage operation screen, the drainage pump is be on let and the washing contaminated water saved within the washing tank is drained. While draining the washing contaminated water, the washing tank cold water is supplied and it washes the preset for hour(108). The transistorized television receiver drainage pump in which the fixed for washing is completed is off let and drainage is completed(110). The drainage completion side is indicated in the display unit after letting off the drainage VAL number(111). The back water completion bell is generated after indicating the drainage completion side(112).
Patent KR-20100106909-A (KR)
Title: Axle weight measuring apparatus and axle weight measuring method
Inventor: KAWASAKI YOSUKE
IPC: G01G19/02
Filed: 2010-02-12
Abstract: PURPOSE: A shaft weight measuring device and a shaft weight measuring method are provided to improve the accuracy of the measurement result, reduce the number of components, and reduce costs of equipment. CONSTITUTION: A shaft weight measuring device comprises a first and a second wheel balance(2a,2b), and an operation unit. The first wheel balance is positioned on a first measuring point to measure the weight of one wheel(202a) installed in an axle(201). The second wheel balance is positioned on a second measuring point to measure the weight of the other wheel(202b) installed in the axle. The operation unit produces the weight of the axle based on the measuring results of the first wheel balance and the second wheel balance.
Patent KR-20110094632-A (KR)
Title: Smart gridable nuclear desalination plant
Inventor: CHOI JUNG IN
IPC: C02F1/04
Filed: 2010-02-17
Abstract: PURPOSE: A method for designing a nuclear power fresh water electricity generator is provided to control a real time power generating amount and consuming amount by a smart grid, thereby drastically increasing profitability of the nuclear power fresh water electricity generator. CONSTITUTION: The amount of producing fresh water of a nuclear power fresh water electricity generator is adjusted by a demand/supply request of a power network. A steam method controls the amount of producing fresh water and generating power by variably controlling a turbine steam amount. A reverse osmotic pressure method controls the amount of producing fresh water and generating power by variably controlling the capacity of a high pressure pump.
Patent KR-20110097470-A (KR)
Inventor: JEONG HYUN SIK
IPC: G01K7/16
Filed: 2010-02-25
Abstract: 온도센서는 구동전압을 전압분배하여 기준전압을 생성하는 기준전압생성부와, 구동전압과 비선형전압이 출력되는 제1 노드 사이에 연결된 제1 저항소자와, 상기 제1 노드와 접지전압 사이에 연결되어 상기 기준전압에 응답하여 턴온되는 제1 스위치소자와, 상기 구동전압과 가변전압이 출력되는 제2 노드 사이에 연결된 제2 저항소자와, 상기 제2 노드와 제3 노드 사이에 연결되어 상기 비선형전압에 응답하여 턴온되는 제2 스위치소자와, 상기 제3 노드와 상기 접지전압 사이에 연결된 제3 저항소자 및 상기 기준전압과 상기 가변전압을 비교하여 온도코드를 생성하는 온도코드생성부를 포함한다.
Patent KR-20110098502-A (KR)
Inventor: CHA JONG HO
IPC: G06F17/30
Filed: 2010-02-26
Abstract: 본 발명은 "인터넷 네트워크를 이용하여 이동통신 연락처, 개인 유선 전화번호, 이메일주소 등 과거 및 현재 사용중인 각종 개인 통신정보를 개인이 직접 등록하고 검색하는 개방형(open) 개인 통신정보 검색 웹사이트 시스템”에 관한 것으로, 개인 등록자가 현재 사용중인 개인 통신정보를 이전에 사용하던 개인 통신정보와 함께 등록시키면, 타인의 이전 개인 통신정보를 소지하고 있어 현재 통신 연락을 할 수 없었던 개인 검색자가 타인의 이전 개인 통신정보를 이용하여 현재 사용중인 타인의 개인 통신정보를 검색할 수 있는 “개방형(open) 개인 통신정보 검색 웹사이트 시스템 및 그 방법”에 대한 것이다.  
개인 통신정보 등록자는 자주 교체되는 개인 통신정보에도 이전에 사용하던 개인 통신정보와 함께 현재의 개인 통신정보를 공개하여 개인 통신정보 교체시에도 지인들에게 별도의 개별 고지 없이 이전의 통신정보를 통한 검색으로 현재의 개인 통신정보를 제공하는 편리성을 제공하고, 
개인 통신정보 검색자는 교체된 타인의 이전 개인 통신정보만으로도 타인의 현재 개인 통신정보를 검색하여 지속적으로 연락할 수 있는 방법을 제공하는 통신연락의 안정성을 제공한다.
Patent KR-20110030260-A (KR)
Title: Interlocked molecules and related components, compositions, materials, methods and systems
Inventor: CLARK G PAUL
IPC: B82B3/00
Filed: 2010-03-03
Abstract: PURPOSE: An interlocked molecule, and related components, compositions, materials, methods, and systems thereof are provided to implement coordinate bond between the bonding side and the recognizing site of [c2]-daisy-chain dimer. CONSTITUTION: An interlocked molecule includes a bonding site, a recognizing site, a backbone site, and a cap site. The recognizing site corresponds to the bonding site. The bonding site represented by secondary amine. The recognizing site includes first polyether chain and second polyether chain. The first polyether chain is first olefin. The second polyether chain is second olefin. The first polyether chain and the second polyether chain are arranged to bond the first olefin and the second olefin through a double decomposition reaction. The backbone site includes a functional group. The functional group minimizes the molecular interaction between the bonding site and the recognizing site. The cap site restricts the movement of the recognizing site in caste of coordination bond.
Patent KR-20110104138-A (KR)
Inventor: LIM YOUN KYUNG
IPC: H04L12/28
Filed: 2010-03-16
Abstract: 본 발명은 무선통신기기(예: 블루투스 기기) 사이의 연결이 필요할 때 무선동조기를 이용하여서 기기를 연결, 해제하는 시스템에 관한 것이다. 이 시스템은 적외선 통신을 사용하여 무선기기의 연결이 이루어지기전 동조중계기와 동글사이의 신호를 가시화하여 사용자가 동조과정을 더욱 쉽게 이해할 수 있는 방안을 제시한다. 기존의 기기끼리 직접 연결을 하는 시스템 보다 연결이 이루어지는 과정 사이에 적외선 통신을 통해서 사용자과 동조과정을 확인할 수 있다. 휴대용 동조중계기를 통해서 다양한 상황에서 동조가 가능하기 때문에 무선기기 연결이 더욱 용이해진다.
Patent KR-20110108935-A (KR)
Inventor: PARK JOO HYANG
IPC: H01L33/52
Filed: 2010-03-30
Abstract: 실시 예에 따른 발광장치는, 캐비티가 구비된 몸체; 상기 캐비티에 배치된 발광소자; 상기 발광소자 위에 배치되고 형광체를 포함하는 수지물; 상기 수지물 위에 배치되고 상기 수지물에 포함된 형광체를 포함하는 렌즈; 를 포함한다.
Patent KR-20110108945-A (KR)
Inventor: JUNG SUK TAE
IPC: B21F27/12
Filed: 2010-03-30
Abstract: 본 발명의 자동 원통형 보강케이지 가공기는 레일(20)상에서 좌,우로 이동가능하게 설치되는 이송 다이(40)와, 제1 및 제2 보조지지체(50,54)가 설치되는 측면지지체(60)와, 복수개의 절첩식 링크부(82)를 갖는 가이드부재(80)와, 가이드부재(80)를 좌,우 방향으로 이동시켜 절첩식 링크부(82)를 절첩시키기 위한 이동부재(100)와, 주철근의 낙하 방지를 위한 낙하방지 가이드(170)와 주철근을 장입하기 위한 주철근 장입부(180)를 가지며 좌우로 이동 가능한 엔드 프레임부(200), 이동부재(100)를 구동시키기 위한 구동원(250)으로 구성된다. 이와 같이 구성된 본 발명은 주철근을 한번에 모두 세팅하여 자동으로 띠철근과 함께 철근망을 조립한 후 결속하게 되므로 철근망 제작시 소요되는 사이클 타임을 줄여 제작비용과 아울러 작업자의 수를 줄여 원가를 절감할 수 있는 이점에 있다.
Patent KR-20100114830-A (KR)
Title: Image processing apparatus, image processing method, and recording medium
Inventor: YAMANO TAKAMASA
IPC: H04N7/24
Filed: 2010-04-08
Abstract: PURPOSE: An image processor, an image processing method and a recording medium which are suitable for the application about the image processor are provided to accurately display the movement of the entire screen. CONSTITUTION: A video data is composed of a plurality of frame pictures. The output unit practices a local search to the start point selected from a plurality of entry value candidates. The output unit determines one of initial candidates from the frame image.
Patent KR-20110115004-A (KR)
Inventor: KIM JAE HONG
IPC: B24B37/04
Filed: 2010-04-14
Abstract: 본 발명의 한 실시예에 따른 광택기는, 연마부, 상기 연마부에 결합되어 있는 지지 부재, 상기 지지 부재에 연결되어 있는 연결 부재, 일측이 상기 연결 부재에 회전 가능하게 연결되어 있는 결합 부재, 그리고 결합 부재의 타측에 결합되어 있는 작업봉을 포함한다.