baber/WOPTO huggingface dataset:
Patent KR-20210054916-A (KR)
Title: mortar mix and supply device of track
Inventor: LEE SOON GU
IPC: B65G15/60
Filed: 2019-11-06
Abstract: The present invention relates to a track-driving mortar agitation/supply apparatus which is able to be mounted on a cart which is able to drive on a track to discharge mortar, which is made by agitating concrete materials, by a concrete pump and constantly place the mortar on a construction site such as a concrete road. According to an embodiment of the present invention, the track-driving mortar agitation/supply apparatus, which is mounted on a cart which is able to drive on a track to discharge mortar, which is made by agitating concrete materials, onto a construction site for placing concrete on the road, comprises: a concrete materials transfer unit which includes a hopper into which cement and sand are inputted at a random ratio, a conveyor apparatus which, when moving along a track of a conveyor belt, transfers the cement and sand, which are discharged from the hopper to an entrance, to an exit, and a frame supporting the conveyor apparatus; a cement and sand agitation tank which agitates the cement and sand discharged through the exit by a first agitator connected to a driving motor; a mixer tank for forming mortar by agitating the cement, sand, and water inputted at a random ratio by a second agitator connected to the driving motor; and a concrete pump connected to an engine to absorb the mortar agitated in the mixer tank through an absorption pipe and discharge the mortar onto the construction site through a placement pipe.
Patent KR-20210055301-A (KR)
Title: Review making system
Inventor: CHO JAE BUM
IPC: H04N21/488
Filed: 2019-11-07
Abstract: The present invention relates to a review making system and, more specifically, to a review making system capable of making a review about the use of a product or service by using a user terminal transmitting and receiving data through a wired/wireless Internet. The system includes: a template storage part storing keyword information about content to be reviewed; a template exposure part exposing the keyword information to a screen of the user terminal; a review photographing part photographing a review image of a user about the use of a product or service; a review editing part producing an edited image by adding the keyword information to the review image as a subtitle; and a review storage part storing the edited image as a video file. Therefore, when a pre-inputted script is used to photograph an image, a video is automatically edited to enable a user to easily produce a review video without going through a complex procedure.
Patent KR-20210055850-A (KR)
Title: Display panel
Inventor: LEE SANG HOON
IPC: H01L51/52
Filed: 2019-11-07
Abstract: For a display panel with improved product reliability, the present invention provides a display panel comprising: a substrate including an opening area, a synchronization display area surrounding the opening area, and a display area disposed outside the synchronization display area; a plurality of signal lines disposed on the substrate; a first sub-pixel including a first pixel electrode disposed on the display area and a first intermediate layer disposed on the first pixel electrode, and emitting light of a first wavelength; a first synchronization sub-pixel including a first synchronization pixel electrode disposed on the synchronization display area and a first synchronization intermediate layer disposed on the first synchronization pixel electrode, and emitting light of the same first wavelength as the first sub-pixel; and a first conductive layer connecting the first pixel electrode and the first synchronization pixel electrode.
Patent KR-20210058225-A (KR)
Title: Inspecting Facility For The Offshore Wind Turbine
Inventor: LEE JANG HO
IPC: F03D80/50
Filed: 2019-11-13
Abstract: Provided is safety equipment for the inspection of an offshore wind power generator. The safety equipment in accordance with an embodiment of the present invention comprises: a ladder including a pair of vertical members spaced apart from each other by a predetermined distance and extending upward, two or more horizontal members which connect the pair of vertical members, and two or more sensors formed on one surfaces of the two or more horizontal members, respectively, and configured to detect whether there is a user's touch; a fall prevention unit connected to safety equipment worn by the user climbing up and down the ladder, and configured to restrict the movement of the user by performing an operation of being bound to the safety equipment in response to a signal from a control unit; and the control unit which receives information on whether there is the user's touch from the sensor and opens and closes the fall prevention unit. In accordance with the present invention, it is possible to provide safety equipment that can prevent a user from falling when he or she climbs a ladder by detecting the user's movement.
Patent KR-20190134558-A (KR)
Title: Junction block with heat dissipation structure
Inventor: YEOM JIN SU
IPC: H05K5/00
Filed: 2019-11-20
Abstract: A junction block is provided. The junction block includes a pcb having a core layer formed inside an insulating layer on which a circuit pattern is formed; a heat dissipation tray connected to one side of the pcb and extended outwardly; a jumper pin connecting the core layer and the heat dissipation tray; a lower case accommodating the pcb; and an upper case covering the lower case. The heat dissipation tray includes a fixing part fixed to one side of the pcb and connected to the core layer; a heat dissipation part protruding to the outside of the upper case; a connection part connecting the fixing part and the heat dissipation part; and a rigid panel disposed between the pcb and the fixing part and having a second through hole through which the jumper pin passes. The durability of the junction block can be more improved by dissipating the heat of the core layer to the outside to lower the temperature in the junction block.
Patent KR-20210062181-A (KR)
Inventor: LEE BA DA
IPC: B43K29/18
Filed: 2019-11-21
Abstract: The present invention conveniently uses a mechanical pencil and includes three thick ones although the mechanical pencil originally has one thick. A multi-functional complex mechanical pencil according to the present invention allows experts to draw drawings without carrying various mechanical pencils by using three thick mechanical pencil leads. The multi-functional complex mechanical pencil according to the present invention includes a touch pen to allow working people who frequently use a smartphone due to multi-functions to conveniently use the smartphone during work. The multi-functional complex mechanical pencil according to the present invention fixes a mechanical pencil body and a groove combined with a mechanical pencil lower unit, allows the mechanical pencil leads to lead to come out, allows the people to draw the drawings according to thickness because the thick ones of the mechanical pencil leads are different at a bottom of a lower unit, and is fixed without shaking when professional work is performed.
Patent KR-20190132334-A (KR)
Title: Apparatus attachable to wheelchair for receiving urine bag and wheelchair capable of receiving urine bag
Inventor: JEON HEUNG KI
IPC: A61G5/10
Filed: 2019-11-21
Abstract: The present invention relates to a urine bag receiving device capable of being attached to a wheelchair and a wheelchair capable of receiving a urine bag. According to the present invention, a urine bag receiving device capable of being attached to a wheelchair includes: a receiving main body including a receiving space and a first end portion and a second end portion positioned while placing the receiving space therebetween and receiving a urine bag in the receiving space through the first end portion; and a fixing member fixing the receiving main body to a wheelchair.
Patent KR-20210062339-A (KR)
Inventor: KIM SO JIN
IPC: C09J11/06
Filed: 2019-11-21
Abstract: The present invention provides a surface protection film in which bubbles or lowering of leveling due to solvent volatilization of the protective film used in a process of manufacturing an encapsulation layer of an organic light emitting diode can occur. In the surface protection film having an adhesive layer on one surface of a base film, the adhesive layer includes a urethane-based resin; a monofunctional (meth)acrylate monomer, a crosslinking agent having two or more photoreactive groups at a terminal, a plasticizer and a photoinitiator, and does not contain a solvent. The adhesive layer has peeling force of 0.5 to 4 gf/in measured at a peel angle of 180° with respect to glass and a peel rate of 1.8 m/min.
Patent KR-20210063945-A (KR)
Title: Antibacterial and anti-allegic polymer coating composition, and antibacterial and anti-allegic polymer film
Inventor: MIN JEEHYON
IPC: C09D133/12
Filed: 2019-11-25
Abstract: The present invention relates to an antimicrobial and anti-allergic polymer coating composition including: a (meth)acrylic polyol resin having a number average molecular weight of 3,000 to 20,000; a (co)polymer including ethylene glycol repeating units; a polyacrylic acid resin; and chlorophyllin sodium salt or a metal complex thereof.
Patent KR-20210065267-A (KR)
Title: Duplexer Dielectric Filter
Inventor: YU JI MAN
IPC: H01P11/00
Filed: 2019-11-26
Abstract: The present invention relates to a duplexer dielectric filter. The duplexer dielectric filter according to one embodiment of the present invention comprises: a dielectric block; a reception area; a transmission area; an output terminal; an input terminal, an antenna terminal; a first notch forming part located outside the output terminal on a first surface of the dielectric block; and a second notch forming part located outside the input terminal on the first surface of the dielectric block, wherein the first notch forming part and the output terminal may be connected to each other, or the second notch forming part and the input terminal may be connected to each other. Therefore, the present invention is capable of greatly improving the frequency blocking characteristics.
Patent KR-20210067160-A (KR)
Title: Method for game data processing
Inventor: LEE SUNGYUN
IPC: A63F13/79
Filed: 2019-11-29
Abstract: A computer program stored in a computer readable recording medium performs following operation for performing game data processing when the computer program is executed in or more processors. Provided is the computer program stored in the computer readable recording medium, wherein the operation comprises: operation of generating a transaction network based on game log data; operation of dividing the transaction network into a plurality of sub-transaction networks based on a predetermined reference; and operation of determining a node included in at least one among the plurality of the sub-transaction networks as a work site account.
Patent KR-20200074001-A (KR)
Inventor: KIM SEE HYUN
IPC: A47L9/28
Filed: 2019-12-03
Abstract: The present invention relates to a cleaning apparatus including a vacuum cleaner and a docking station. The cleaning apparatus according to an idea of the present invention comprises: the vacuum cleaner including a dust collecting container in which foreign matter is collected; and a docking station connected to the dust collecting container to remove the foreign matter collected in the dust collecting container. The dust collecting container is provided to collect the foreign matter through centrifugal rotational separation, and is provided to be docked at the docking station. The docking station includes a suction device for inhaling the foreign matter and internal air in the dust collecting container docked at the docking station.
Patent KR-20210070054-A (KR)
Title: Storage device and operating method thereof
Inventor: JIN YONG
IPC: G06F13/16
Filed: 2019-12-04
Abstract: The present technology relates to an electronic device. A storage device having improved capacity expandability according to the present technology comprises: a first memory controller; and a second memory controller. The first memory controller communicates with a host, and controls a first memory device group. The second memory controller communicates with the first memory controller, and controls a second memory device group. The first memory controller controls the first memory device group based on a first address mapping method, and controls the second memory device group through the second memory controller based on a second address mapping method different from the first address mapping method.
Patent KR-20210073941-A (KR)
Title: Drying apparatus and method for improving drying mark of coating film
Inventor: YEO JUNG HYUN
IPC: H01L51/56
Filed: 2019-12-11
Abstract: The present invention relates to a drying apparatus and a method for reducing drying stains of a coating film, the drying apparatus comprising a nozzle for spraying hot air to a coating film being advanced and a vane installed under the nozzle, wherein the vane includes a first plate connected to a lower part of the nozzle and disposed at the lower side and a second plate connected to a lower part of the first plate, disposed in the advancing direction of the film, and having a plurality of perforated holes.
Patent KR-20210074601-A (KR)
Title: Apparatus and method for controlling emergency driving situation using brain wave
Inventor: KANG JEONG SU
IPC: B60W50/08
Filed: 2019-12-12
Abstract: Provided are an apparatus and a method for controlling an emergency driving situation using EEG signals. The method for controlling the emergency driving situation of the present disclosure comprises the following steps of: collecting brain wave signals for at least one occupant in a mobility in a predetermined channel area; determining whether an emergency has occurred in the mobility by analyzing the EEG signals collected in the predetermined area; and controlling an operation of the mobility based on a determined result. An object of the present invention is to provide the apparatus and the method for controlling the emergency driving situation of the mobility based on the EEG signals.
Patent KR-20200049694-A (KR)
Title: Massage device and method of measuring user’s body type with self-diagnosing function
Inventor: AN SANG JOON
IPC: A61B5/107
Filed: 2019-12-16
Abstract: Disclosed are a maasgae device and a method for self-diagnosing breakdwon along with measuring a body type of a user. According to an embodiment of the present disclosure, the massage device comprises: an air cell which expands or contracts by the inflow or outflow of compressed air; a flow rate measurement unit for measuring the flow rate of compressed air injected into the air cell; and a control unit configured to determine the body shape of the part of user′s body contacting the air cell based on information with respect to the flow rate of compressed air injected into the air cell.
Patent KR-20210076469-A (KR)
Title: Power module and method for manufacturing the same
Inventor: LEE HYUN KOO
IPC: H01L25/065
Filed: 2019-12-16
Abstract: Disclosed is a power module, which includes: a substrate having a dielectric layer; a first power semiconductor device disposed on the substrate; and a second power semiconductor device disposed under the substrate. When a current flows through metal layers of the substrate, the parasitic inductance can be reduced through the dielectric layer disposed between the metal layers.
Patent KR-20200075777-A (KR)
Title: Polycyclic compound and organic light emitting device comprising the same
Inventor: GEUM SUJEONG
IPC: H01L51/00
Filed: 2019-12-18
Abstract: The present specification provides a compound of chemical formula 1 and an organic light emitting device comprising the same.
Patent KR-20210078778-A (KR)
Title: Apparatus for non-contact respiration measurment using sonic wave
Inventor: BYUNG JIN LEE
IPC: A61B5/08
Filed: 2019-12-19
Abstract: The present invention relates to a non-contact respiration measurement device. A respiratory measurement device according to the present invention generates a sound wave and transmits a sequence signal in which +1 and -1 are alternately repeated and a signal generated by a convolution operation, and then improves resolution using a matrix A matrix consisting of the eigenvectors of the signal subspace and the noise subspace of a covariance matrix. Therefore, it has the effect of determining the position of the chest more accurately.
Patent KR-20210079530-A (KR)
Title: Heating pipe assembly of microparticle generator
Inventor: PARK JONG SUN
IPC: A24F40/10
Filed: 2019-12-20
Abstract: The present invention relates to a heating pipe assembly structure of a fine particle generator. The present invention provides a heating pipe assembly structure of a fine particle generator which comprises: a heating pipe heated by receiving electric energy; a lower frame supporting a lower portion of the heating pipe; and a cover for fixing an upper surface while enclosing the outer periphery of the heating pipe, wherein the cover and the lower frame are fixed to each other.
Patent KR-20210081941-A (KR)
Title: Organic Light Emitting Display Apparatus
Inventor: MOUNGO KIM
IPC: H01L51/52
Filed: 2019-12-24
Abstract: An organic light emitting display device according to an embodiment of the present invention may include a substrate having a display area and a non-display area around the display area. An insulating layer may be disposed on the substrate. A pad to which a signal or power is input may be disposed in the non-display area. A wire may be disposed in the upper part of the insulating layer and connected to the pad to transmit power to the display area. A bump pattern is disposed in the lower part of the insulating layer. The bump pattern includes a positive taper inclined in the direction of the wire. Both sides of the wire may include inclined surfaces. It is possible to delay the propagation time of moisture permeation along the edge of the wire and reduce the possibility of damage to the wire, thereby improving the lifespan and reliability of the display panel, preventing the possibility of image quality defects, and improving the sealing properties of the protective film layer.
Patent KR-20210083547-A (KR)
Title: Drill guide bush
Inventor: KWAK JAE HOON
IPC: B23B49/02
Filed: 2019-12-27
Abstract: Disclosed is a drill guide bush. The drill guide bush, which is a drill guide bush supported in primary drill holes of various diameters formed by primarily drilling a base material to enable precise secondary drilling by guiding a drill to an accurate slotting position of a secondary drill hole to perforate the secondary drill hole relatively smaller in diameter than the primary drill holes in the primary drill holes, includes: a body part including a cylindrical inner part extended in length in a horizontal direction and having a penetrated inside into which a drill can be inserted, and an outer part placed on the outside in a form surrounding the inner part to have a structure separable from the inner part; and a support part installed on the outside of the body part to be rotatable, and elastically changed in response to the diameters of the primary drill holes to be supported on one side of an inner circumference surface of the primary drill holes. The support part can include: a rotary piece having a rod shape, installed on one side of the outer part to be rotatable by a hinge, and having a rotatable support wheel installed at an end supported in contact with the inner circumference surface of the primary drill holes; and elastic parts supported and installed on the inside of the rotary piece and one side of the outer circumference surface of the outer part respectively and providing an elastic force such that the rotary piece can be rotated in one direction.
Patent KR-20190044611-A (KR)
Title: 금속 성형체의 조면화 방법
Inventor: ITAKURA MASAHIKO
IPC: B23K26/354
Filed: 2017-08-31
Abstract: 금속 성형체와 수지, 고무, 금속 등과의 복합 성형체의 제조중간체로서 사용할 수 있는 금속 성형체의 표면의 조면화 방법을 제공한다.  금속 성형체의 조면화 방법으로서, 상기 금속 성형체의 표면에 대하여, 레이저 장치를 사용하여, 에너지 밀도가 1MW/cm 2  이상이며, 2000mm/sec 이상의 조사 속도로 레이저광을 조사하는 공정을 가지고 있고, 상기 레이저광의 조사 공정이 조면화 대상이 되는 금속 성형체의 표면에 대하여, 직선, 곡선 또는 직선과 곡선의 조합이 되도록 레이저광을 조사할 때, 레이저광의 조사 부분과 비조사 부분이 번갈아 생기도록 조사하는 공정인, 금속 성형체의 조면화 방법.
Patent KR-20190020769-A (KR)
Title: 오프라인 결제 방법 및 디바이스
Inventor: SUN YUANBO
IPC: G06Q20/38
Filed: 2017-06-07
Abstract: 본 출원은 오프라인 결제 방법 및 디바이스를 제공한다.  본 방법은: 서드파티 결제 애플리케이션이 타깃 결제 애플리케이션에 대응하는 오프라인 결제 요청을 수신할 때, 서드파티 결제 어플리케이션에 의해, 그 요청을 송신하는 사용자의 신원 인증 식별자를 획득하는 단계; 획득된 신원 인증 식별자가 검증된다고 결정될 때, 서드파티 결제 어플리케이션에 의해, 타깃 결제 어플리케이션에 의해 사용자에게 발행되고 단말 디바이스에 저장된 오프라인 결제 인증서를 획득하는 단계: 및 서드파티 결제 어플리케이션에 의해, 오프라인 결제 인증서를 오프라인 결제 서비스 당사자에 제공함으로써, 오프라인 결제 서비스 당사자가 오프라인 결제 인증서에 기초하여 사용자의 오프라인 결제를 프로세싱하라고 타깃 결제 애플리케이션에 요청하도록 하는 단계를 포함한다.  본 출원은, 오프라인 결제를 하기 위해 결제 애플리케이션이 소비자 단말 디바이스에 통합된 서드파티 결제 애플리케이션으로부터 선택될 때, 사용자의 결제를 보다 신속하고 보다 안전하게 만든다.
Patent KR-20190040964-A (KR)
Title: 태양 전지 모듈
Inventor: MATSUO TAKATOSHI
IPC: H01L31/048
Filed: 2017-08-04
Abstract: 봉지부(14)로 봉지되고, 1개 또는 복수의 셀을 포함하는 접속체를 포함하는 배리어 포장재(13A, 13B)와, 취출 전극(11A, 11B)을 구비하는 태양 전지 모듈(100)로, 그 태양 전지 모듈(100)은, 접속체의 외주와 배리어 포장재 사이에, 기판면 방향에서 간극을 갖고, 그 간극 내의 적어도 일부에는 충전 부재(30)가 존재한다.
Patent KR-20190034302-A (KR)
Title: 다중 채널 신호 인코딩 방법 및 인코더
Inventor: LIU ZEXIN
IPC: G10L19/008
Filed: 2017-02-22
Abstract: 다중 채널 신호 인코딩 방법 및 인코더가 개시된다. 인코딩 방법은, 현재 프레임의 다중 채널 신호를 획득하는 단계(510)와, 현재 프레임의 초기 다중 채널 파라미터를 판정하는 단계(520)와, 현재 프레임의 초기 다중 채널 파라미터 및 현재 프레임의 이전의 K개의 프레임의 다중 채널 파라미터에 기반하여 차이 파라미터를 판정하는 단계(530)(차이 파라미터는 현재 프레임의 초기 다중 채널 파라미터 및 이전의 K개의 프레임의 다중 채널 파라미터 간의 차이를 나타내기 위해 사용되고, K는 1보다 크거나 같은 정수임)와, 현재 프레임의 특성 파라미터 및 차이 파라미터에 기반하여 현재 프레임의 다중 채널 파라미터를 판정하는 단계(540)와, 현재 프레임의 다중 채널 파라미터에 기반하여 다중 채널 신호를 인코딩하는 단계(550)를 포함한다. 이 출원은 다중 채널 신호의 채널간 정보의 정확성을 더 잘 보장할 수 있다.
Patent KR-20190045230-A (KR)
Title: 이중 모드 조절성-비조절성 안내 수정체
Inventor: BEER PAUL MARIUS
IPC: A61L27/50
Filed: 2017-08-23
Abstract: 본 발명의 실시예는 소대 캡처 햅틱 시스템과 협력하여 형상 이동 및 축방향 이동 모두에 의해 조절력을 생성하도록 된 플렉시블 형상 이동 광학체에 관한 것이다.  광학체는 현재의 단단한 단일 초점 IOL 광학체와 크기가 비슷한 작고 얇은 벽의 광학 소포로서 설계된다.
Patent KR-20190043177-A (KR)
Title: 파르네센-기반 매크로모노머 및 이의 제조 및 사용 방법
Inventor: HENNING STEVEN K
IPC: C09J133/10
Filed: 2017-08-30
Abstract: 파르네센으로부터 유도된 폴리머 사슬 및 단일 작용성 종결 말단을 포함하는 매크로모노머 전구체가 제공된다. 작용성 종결 말단은 하이드록실 기, 아미노 기, 에폭시 기, 이소시아네이토 기, 또는 카복실산 기를 포함할 수 있다. 이후, 매크로모노머 전구체의 종결 말단은 (메트)아크릴레이트와 반응하여 라디칼 중합 가능한 모노머, 예컨대 알킬(메트)아크릴레이트 모노머와 (공)중합될 수 있는 (메트)아크릴레이트 작용성화된 종결 말단을 갖는 매크로모노머를 형성할 수 있다. 대안적으로, 코폴리머는 먼저, 매크로모노머 전구체가 제2 단계에서 폴리(메트)아크릴레이트에 그라프팅되도록 하는 반응기를 갖는 (메트)아크릴레이트 모노머로부터 폴리(메트)아크릴레이트를 유도함으로써 얻어질 수 있다. 형성되는 코폴리머는 다양한 포뮬레이션, 예컨대 윤활제, 유압유, 화장료 조성물, 및 접착제 조성물에 첨가제로서 포함될 수 있다.
Patent KR-20190084041-A (KR)
Title: 소형 인덕터와 관련 회로 컴포넌트 및 그 제조 방법
Inventor: AKCASU OSMAN ERSED
IPC: H01G4/228
Filed: 2017-10-03
Abstract: 집적 회로용의 새로운 유형의 회로 소자는 두께 디멘션(dimension)이 폭 디멘션보다 훨씬 크고 견고한(tight) 결합 조건을 달성하기 위해 폭 디멘션보다 더 가깝게 이격된 구조를 포함한다.  이 구조는 집적 회로에서 인덕터, 커패시터, 전송선 및 저(low) 임피던스 배전 네트워크를 형성하는데 적합하다.  폭 디멘션은 표피 깊이(skin depth)와 동일한 차수의 크기이다.  실시예들은 좁은 나선형 트렌치에 의해 분리된 깊고 좁은, 도체 피복된 나선형 리지로 형성된, 실리콘 기판 내에 배치된 나선형 권선을 포함한다.  다른 실시예들은 플렉서블한 절연 리본 내에 또는 그 위에 형성되고 서로 인접한 감은 권선으로 된 폭이 넓은 얇은 컨덕터, 또는 서로 인접한 권선을 갖는 층들로 접혀진 플렉서블한 절연 시트 내의 또는 그 위의 컨덕터를 포함한다.  또한, 제조 방법은 실리콘에 권선을 형성하기 위해 깊고 좁은 나선형 트렌치를 방향성 에칭하는 단계를 포함한다.
Patent KR-20190084982-A (KR)
Title: 타격 장치
Inventor: PIRAS BERNARD
IPC: B25D9/12
Filed: 2017-10-19
Abstract: 본 타격 장치(2)는, 본체(3); 본체(3) 안에 슬라이딩 가능하게 장착되는 장착 부분(8)을 포함하는 공구(7); 및 본체(3) 안에서의 왕복 운동으로 움직일 수 있게 장착되고 장착 부분(8)을 타격하도록 배치되는 타격 피스톤(6)을 포함한다.   공구(7)의 장착 부분(8)은 환형 유지 리브(24)를 포함하고, 환형 유지 리브는, 타격 피스톤(6) 쪽으로 향하는 공구(7)의 이동을 제한하도록 본체(3)에 제공되는 제 1 스탑면과 상호 협력하도록 구성된 제 1 베어링 면, 및 제 1 베어링 면과 대향하는 제 2 베어링 면을 포함하고, 제 2 베어링 면은, 타격 피스톤(6)으로부터 멀어지는 방향으로 향하는 공구(7)의 이동을 제한하도록 본체(3)에 제공되는 제 2 스탑면과 상호 협력하고 또한 공구(7)의 장착 부분(8)을 본체(3) 안에 유지시키도록 구성되어 있다.