baber/WOPTO huggingface dataset:
Patent KR-20210144579-A (KR)
Title: Imprint method and method for manufacturing article
IPC: G03F7/20
Filed: 2021-05-12
Abstract: In order to realize an imprint method capable of reducing defects caused by protrusion of an imprint material, the imprint method includes: a first pattern forming step of bringing a mold into contact with the imprint material over a first pattern forming region on a substrate; a first exposure step of exposing the imprint material on the first pattern formation region and making the exposure amount of the imprint material on the partial region of the first pattern formation region smaller; a second pattern forming step of forming a pattern by bringing the mold into contact with the imprint material on the second pattern forming region after the first pattern forming step; and a second exposure process of exposing the imprint material on the second pattern formation region and the imprint material on the partial region of the first pattern formation region.
Patent KR-20220102539-A (KR)
Title: Portable device communicating with charger and operating method thereof
Inventor: BANG SANG UN
IPC: G06F9/4401
Filed: 2021-05-17
Abstract: A portable device and an operating method thereof are disclosed. The portable device according to the technical idea of the present disclosure comprises: a power line communication module which performs power line communication with an external device; a memory module which stores firmware data; and a controller which controls the power line communication module and the memory module. The power line communication module sequentially provides an update start signal and firmware data to the external device, and provides an update end signal to the external device according to a response signal transmitted from the external device.
Patent KR-20220157620-A (KR)
Title: Brake system of the liner motor for tool grinding machine
Inventor: CHOI WOO KAK
IPC: B24B3/34
Filed: 2021-05-21
Abstract: The present invention relates to a vertical liner motor braking system for a micro tool grinding machine. More specifically, in a micro tool grinding machine used to grind the tip of a tool such as a micro drill or bite used to drill a hole, a linear motor is provided in a vertical direction so that a spindle can move vertically. A braking unit is provided in the linear motor lowered by the own weight, so that a saddle can brake at a desired location. A moving body is provided on one side of an outer side of the body of the micro tool grinding machine to move along outer rails. A linear motor stator is provided in a vertical direction inside the body. Elevating rails are provided on both sides of the linear motor stator provided in the vertical direction. The saddle is connected to the rear surface of braking unit moving vertically along the elevating rails, so that the saddle can be moved along the elevating rails provided in the vertical direction and can brake by the braking unit. The linear motor is provided in the micro tool grinding machine in the vertical direction to facilitate precision work, to allow the saddle to move vertically and to activate the braking plate of the braking unit that can brake on the elevating rails, moving and stopping the saddle at a desired location in the vertical direction. Even when the size of the saddle is large or the load of the spindle fixed to the saddle is large, the saddle can be easily moved and stopped on the elevating rails. Therefore, even when the linear motor is used, the saddle can be moved and stopped vertically.
Patent KR-20220166687-A (KR)
Title: Method for providing mediation service for intellectual property transactions and apparatus using the same
Inventor: KIM JAE SEOL
IPC: G06Q30/02
Filed: 2021-06-10
Abstract: Disclosed herein are a method for providing a mediation service for intellectual property transactions and a device using the same. Specifically, according to an embodiment of the present disclosure, when intellectual property sales information is obtained from a seller terminal, a computing device performs verification regarding the intellectual property rights. When intellectual property inquiry request information is obtained from a buyer terminal, intellectual property data information including the result of verification regarding the intellectual property rights is provided to the buyer terminal to support the buyer terminal to display the intellectual property data information. When intellectual property purchase request information is obtained from the buyer terminal, a contract regarding the intellectual property rights is created based on the intellectual property sales information and the intellectual property purchase request information. The present invention supports the seller terminal to select approval or rejection of the contract by providing result information regarding the created contract to the seller terminal, and then completes the transaction according to the contract according to sales approval information when the sales approval information is obtained from the seller terminal. When the transaction is completed, the computing device supports the buyer terminal to indicate that the transaction is completed by providing transaction completion information to the buyer terminal. The present invention can save time and effort for both sellers and buyers.
Patent KR-20220169339-A (KR)
Title: Retaining wall block assembly
Inventor: KIM KWANG JUNG
IPC: E02D17/20
Filed: 2021-06-18
Abstract: The present invention relates to a retaining wall block assembly. More specifically, according to the present invention, a drainage groove is naturally formed at the same time as masonry, so there is no need for separate drainage pipe construction. In addition, a connection jaw is formed and a fixation stability is increased according to binding between blocks through a retaining wall connection member. In addition, an anchor may be connected to the connection member. In addition, since there is no need to use a separate auxiliary material for fixing a grid through formation of a grid pressing jaw, convenience of construction is improved and a construction cost is reduced.
Patent KR-20230001019-A (KR)
Inventor: KWON KI HYUN
IPC: B01F23/20
Filed: 2021-06-24
Abstract: The present invention relates to a hydroponic cultivation method of barley sprouts in which policosanol is increased and barley sprouts grown thereby. The hydroponic cultivation method of barley sprouts comprises the steps of: (A) preparing barley sprout seeds on a tray and supplying a nutrient solution so that a part of the barley sprout seeds located on the tray is immersed; (B) spraying bubbles on the barley sprout seeds in contact with purified water; and (C) irradiating LED light to the barley sprout seeds in contact with purified water for 1 to 10 hours. The method can increase the content of policosanol, which is effective for alleviating hyperlipidemia and diabetes, improving blood circulation, and alleviating hangovers and alcoholic fatty liver disease.
Patent KR-20230003858-A (KR)
Title: Prefabricated high place work apparatus and high place work method using the same
Inventor: KIM JAE HYUN
IPC: B66F17/00
Filed: 2021-06-30
Abstract: The present invention relates to high-place work equipment and, more specifically, to high-place work equipment capable of enabling free horizontal and vertical movement, and securing stability. The high-place work equipment of the present invention includes: a base module; a first vertical mast installed on the base module, and extended in a first direction; a second vertical mast installed on the base module, apart from the first vertical mast, and extended in the first direction; a horizontal mast connected to the first vertical mast and the second vertical mast, and movable in the first direction along the first vertical mast and the second vertical mast; a basket connected to the horizontal mast, and movable in a second direction different from the first direction along the horizontal mast; a gear module moving the horizontal mast and the basket; and a control module controlling the gear module.
Patent KR-20230006212-A (KR)
Title: Board game tools for experience of virtual economic activities
Inventor: JUNG KYUNG JA
IPC: A63F3/00
Filed: 2021-07-02
Abstract: Provided is a board game tool for educating economic concepts of players by providing various missions for experiencing virtual economic activities to the players. The board game tool comprises: a game board having a mission section composed of a plurality of mission areas; a plurality of game markers respectively arranged to the plurality of players; a plurality of setting cards respectively provided to the plurality of players; and a plurality of mission cards respectively providing missions to the plurality of players by corresponding to each of the plurality of mission areas.
Patent KR-20220027750-A (KR)
Inventor: TAKEYA KIMIO
IPC: H01L21/027
Filed: 2021-07-19
Abstract: An object of the present invention is to provide a carrier device capable of carrying a substrate more precisely. The carrier device according to the present invention is a carrier device that carries a rectangular substrate having its outer shape formed of first to fourth sides. The carrier device comprises: a detection part that detects the substrate as a light beam is cut off by the substrate; a carrier part that carries at least one of the substrate and the detection part so that when the substrate is at first to fourth position relative to the detection part, the light beam is cut off at first to fourth points on the first to the fourth sides, respectively; and a control part that calculates a size difference of the surface of the substrate including the first to the fourth sides from a predetermined size and a quantity of displacement from a predetermined position when the substrate begins to be carried based upon information related to the first to the fourth positions acquired by the detection part and information related to the first to the fourth positions and positions of the first to the fourth points acquired in advance for the substrate arranged at the predetermined position when the substrate begins to be carried.
Patent KR-20230014004-A (KR)
Title: Alignment correction member and optical module alignment method using the same
Inventor: KIM SANG WOO
IPC: G02B7/02
Filed: 2021-07-20
Abstract: According to an embodiment of the present invention, an alignment correction member, which is able to correct the alignment of a lens unit and an image sensor unit of an optical module, comprises: a light control unit, and a fixing unit. The light control unit includes: an opening region including a first opening region and a second opening region. The width of the opening region is defined by Formula 1 below. The width of the opening region is equal to or smaller than 30 percent of the width of the light control unit. [Formula 1] F * λ * √3/π * w1^2, λ is 400-700 nm. (In Formula 1, F is the effective focal distance of the lens unit of the optical module, and λ is the wavelength of the light incident into the optical module, and w1 is the width of the light control unit.) Therefore, process time can be reduced.
Patent KR-20230017053-A (KR)
Title: No2 gas sensor
Inventor: JEONG YOUNG KYU
IPC: G01N27/12
Filed: 2021-07-27
Abstract: In the present invention, a nitrogen dioxide gas sensor containing tin oxide (SnO_2) doped with a rare earth element is disclosed. In the nitrogen dioxide gas sensor, the rare earth element may include yttrium (Y), and the doping concentration of the yttrium (Y) may be 1 to 5 %. According to the present invention, the gas sensitivity to nitrogen dioxide can be improved without being affected by humidity.
Patent KR-20230017535-A (KR)
Inventor: OH HYUN WOO
IPC: C08G63/199
Filed: 2021-07-28
Abstract: The present invention is to provide a polyester resin, which is an extrusion blown resin that has excellent extrusion processability and can be recycled, and a composition containing the same. A polypentene-based thermoplastic elastomer composition contains a pentene monomer, a copolymerized monomer and vinylsilane.
Patent KR-20230019289-A (KR)
Inventor: KANG DAE YOON
IPC: B63B79/40
Filed: 2021-07-29
Abstract: The present invention relates to a system for measuring and displaying a sailing distance of a WIG craft based on multiple sailing influence factors, capable of measuring and displaying a sailing distance by deriving various sailing influence factors which can influence sailing based on environment information on a sailing route of a WIG craft and state information of the WIG craft. In accordance with the present invention, the system includes: a GPS module; a navigation module displaying a navigation route on a map in interoperation with the GPS module to guide the route; and a sailing control module deriving at least one sailing route based on a sailing influence factor including environment information of the sailing route and weight information of a WIG craft and displaying the sailing route on the navigation module.
Patent KR-20210098416-A (KR)
Title: Bit interleaver for 1024-symbol mapping and low density parity check codeword with 64800 length, 2/15 rate, and method using the same
Inventor: PARK SUNG IK
IPC: H03M13/27
Filed: 2021-08-02
Abstract: A bit interleaver, a BICM device, and a bit interleaving method are disclosed. According to an embodiment of the present invention, the bit interleaver comprises: a first memory for storing an LDPC codeword having a length of 64800 and a code rate of 2/15; a processor for generating an interleaved codeword by interleaving the LDPC codeword by a bit group unit having a size corresponding to a parallel factor of the LDPC codeword; and a second memory that provides the interleaved codeword to a modulator for 1024-symbol mapping.
Patent KR-20230020160-A (KR)
Inventor: JANG JUNG IN
IPC: H04N23/00
Filed: 2021-08-03
Abstract: An embodiment includes: a lens assembly including a fixed lens group and a first lens group movable in a first axis direction; an image sensor for detecting light passing through the fixed lens group and the first lens group; an optical member capable of emitting light to the fixed lens group and tilting based on a second axis or a third axis perpendicular to the first axis; and a control part for storing a correction value for correcting the tilt of the optical axis of the lens assembly. The deviation (or tilt) of an optical center can be corrected.
Patent KR-20230022609-A (KR)
Inventor: PARK GIL MI
IPC: E04G21/12
Filed: 2021-08-09
Abstract: The present invention relates to an apparatus for inserting a strand for introducing prestress into a concrete structure, comprising: two side plates (100) apart from each other; a lower roller (200) including a cylindrical lower body (210), and rotation shafts (220) protruding from both sides of the lower body (210), and rotatably installed between the two side plates (100) by the medium of a lower bearing (120) mounted on the two side plates (100); an upper roller (300) including a cylindrical upper body (310), and rotation shafts (320) protruding from both sides of the upper body (310), and rotatably installed between the two side plates (100) to be arranged on an upper side of the lower roller (200); support blocks (400) respectively coupled to the rotation shafts (320) on both sides of the upper roller (300), and having an upper bearing (420) mounted in the center for rotatably supporting the upper roller (300); a gliding space unit (110) formed on an upper side of the two side plates (100) to be vertically extended so that the support blocks (400) can be vertically movably inserted; a spring (500) for pressing the upper roller (300) towards the lower roller (200); and a driving unit (600) for rotating the lower roller (200) or the upper roller (300) or both. Therefore, a strand can be actively and easily inserted.
Patent KR-20230024618-A (KR)
Inventor: IN DAEHWAN
IPC: G06F16/9535
Filed: 2021-08-12
Abstract: The present invention provides optimized travel information and route information reflecting the taste of a user even in the case of overseas travel through artificial intelligence. Accordingly, a user-customized travel information provision system using artificial intelligence according to one aspect of the present invention includes: a server connected to the Internet network; an input unit inputting search conditions; a determination module determining whether information is suitable for data searched according to the search conditions; and an output module differentially outputting a resultant value according to the determination value of the determination module.
Patent KR-20230024807-A (KR)
Title: Real-time notification system for ESG fraud cases based on artificial intelligence
Inventor: CHO KEUM TAEK
IPC: G06Q40/04
Filed: 2021-08-12
Abstract: Disclosed are a stock game method for predicting stock items expected to rise in stock prices among the stock items which are listed and sold as trading items on a stock exchange and an online investment advisory method using the same. Provided is the stock game method comprising: a stock item selecting step of selecting a plurality of stock items determined to increase a stock price after a set period by connecting a central server through a game member terminal; and a score assigning step of allowing the central server to determine coincidence of prediction for each stock item after the set period and to assign a score depending on the number of coincident stock items. The present invention predicts an increase of the stock price based on stock prices of various items traded on a stock market, and prepares a database of a stock item selected by a master with high reliability for prediction of the stock price through a method for providing a prize to a member depending on corresponding ranking after determining the ranking depending on accuracy of a predicting result.
Patent KR-20230027509-A (KR)
Inventor: CHOI LYNN
IPC: G01C21/12
Filed: 2021-08-19
Abstract: 본 개시의 몇몇 실시예에 따라, 적어도 하나의 프로세서를 포함하는 컴퓨팅 장치에 의해 수행되는 저전력 및 저메모리 기반 실내 측위 방법이 개시된다. 상기 방법은: 타겟의 움직임 및 상기 타겟의 이동 중 적어도 하나에 기초하여, 실행할 작동 모드를 결정하는 단계; 실내 측위를 수행하는 것과 관련된 특정 모드를 실행할 경우, 상기 타겟의 현재 위치와 관련된 맵 세그먼트를 메모리에서 로드하는 단계; 및 상기 실내 측위를 위해 실시간으로 수집되는 센싱 데이터와 상기 맵 세그먼트를 이용하여, 측위 데이터를 획득하는 단계;를 포함할 수 있다.
Patent KR-20230028998-A (KR)
Inventor: MOON YOUNG WOO
IPC: A61B5/107
Filed: 2021-08-23
Abstract: 본 발명은 족부 표준 모델 생성 시스템 및 이에 의한 인솔 제조 방법에 관한 것이다. 족부 표준 모델 생성 시스템은 보행 형태를 측정하는 보행 습관 데이터 모듈(11); 보행 형태 또는 정지 자세에서 발이 지면에 접촉되는 상태 및 접촉 부위에 대한 압력을 탐지하는 면적/압력 분포 탐지 모듈(12); 보행 습관 데이터 모듈(11) 및 면적/압력 분포 탐지 모듈(12)에 의하여 획득된 데이터로부터 보행 습관을 분석하는 보행 분석 데이터 모듈(14); 및 보행 분석 데이터 모듈(14)의 분석 데이터에 기초하여 보행 형태 및 정지 자세에 대한 특성 데이터를 생성하는 보행 표준 데이터 모듈(15)을 포함한다.
Patent KR-20230029378-A (KR)
Title: 좌변기용 가동식등받이의 고정지지대
Inventor: CHOI BYUNG HYUN
IPC: A47K17/02
Filed: 2021-08-24
Abstract: 본 발명은 좌변기용 가변식등받이에 있어서, 등받이지지간을 지지하는 고정지지대를 개량하여 등받이지지간을 확고하게 지지하고, 지지대의 정밀성과 조립성을 향상시켜 내구적으로 유지시키고, 제작이 편리하여 생산단가를 보다 저렴하게 형성할 수 있도록 개량한 좌변기용 가동식등받이의 고정지지대이다.
Patent KR-20230029404-A (KR)
Inventor: KIM HYUN BUM
IPC: A61M1/00
Filed: 2021-08-24
Abstract: 본 발명은 저자극성 기관절개관 흡인줄에 관한 것으로, 보다 상세하게는 환자의 기관벽에 붙은 가래를 제거할 때 환자의 고통을 최소화하기 위한 저자극성 기관절개관 흡인줄에 관한 것이다. 본 발명은 기관절개관에 삽입되는 튜브부; 상기 튜브부의 삽입측 일단부에 형성되는 흡입부; 및 상기 튜브부에 위치하여 흡인 압력을 제어하는 조절부를 포함하며, 상기 조절부는 상기 흡입부가 기관 내 기설정된 흡인 위치에 도달한 이후에 흡인이 이루어지도록 제어할 수 있게 마련된 것을 특징으로 하는 저자극성 기관절개관 흡인줄을 제공한다.
Patent KR-20220030174-A (KR)
Title: Method of generating a germanium structure and optical device comprising a germanium structure
Inventor: ROETH ANDRE
IPC: H01L31/109
Filed: 2021-08-25
Abstract: A method of generating a germanium structure includes a step of performing an epitaxial deposition process on an assembly of a silicon substrate and an oxide layer, wherein at least one trench on the oxide layer exposes surface parts of the silicon substrate. The epitaxial deposition process includes the following steps of: depositing germanium on the assembly during a first phase; performing an etching process during a second phase following the first phase to remove the germanium from the oxide layer; and repeating the first and second phases. Therefore, germanium crystals grow in a trench or trenches. An optical device includes a light incidence surface formed by a source-textured surface of the germanium structure acquired through the epitaxial deposition process, without the need for processing the surface of the germanium structure after the epitaxial deposition process.
Patent KR-20230030399-A (KR)
Inventor: KIM TAEHUN
IPC: A24F40/42
Filed: 2021-08-25
Abstract: 카트리지 및 이를 포함하는 에어로졸 생성장치가 개시된다. 본 개시의 카트리지는, 액체를 저장하는 제1 챔버; 유입구(inlet) 및 배출구(outlet)를 구비하는 제2 챔버; 상기 제2 챔버에 위치하고, 상기 제1 챔버와 연결되는 심지; 그리고, 상기 심지를 가열하는 히터를 포함하고, 상기 제2 챔버는: 상기 유입구와 상기 배출구 사이에서 상기 제2 챔버의 적어도 일부를 형성하는 커브면(curved surface)을 포함할 수 있다.
Patent KR-20230031674-A (KR)
Title: 디지털 오버덴쳐용 결합 장치
Inventor: GIM JIN CHEOL
IPC: A61C13/00
Filed: 2021-08-27
Abstract: 치아수복 정밀성이 개선되도록, 본 발명은 매립홈에 부착 고정된 하우징캡을 포함하는 디지털 오버덴쳐를 제조하고 구강에 설치하기 위한 디지털 오버덴쳐용 결합 장치에 있어서, 픽스츄어에 결합되는 결합부와, 상기 결합부의 상측에 일체로 구비되되 상단 외주를 따라 상기 하우징캡의 내주에 반경 내측방향으로 돌출된 구속돌기에 걸림되는 걸림돌기가 형성된 고정부를 포함하는 어태치먼트; 및 상기 디지털 오버덴쳐의 설계정보를 획득하기 위해 구비되는 임시틀니에 형성된 임시삽입홈이 상기 픽스츄어의 실제식립위치에 대응하는 보정홈으로 보정시 상기 단차홈이 차폐되도록 상기 어태치먼트의 상단부에 선택적으로 결합되되, 외주직경이 잇몸의 재생범위를 설정하는 기설정된 단면적으로 형성되는 프로텍트캡을 포함하는 디지털 오버덴쳐용 결합 장치를 제공한다.
Patent KR-20220097171-A (KR)
Title: Display device
Inventor: PARK DONG WON
IPC: G09G5/00
Filed: 2021-09-03
Abstract: According to one embodiment of the present invention, a display device includes: a display panel in which a plurality of sub-pixels are disposed; a power unit outputting a high-potential power voltage to the display panel; and a feedback unit receiving the high-potential power voltage output from the power unit and outputting a virtual feedback voltage to the power unit. The power unit changes a level of the high-potential power voltage according to a level of the virtual feedback voltage to output the high-potential power voltage.
Patent KR-20230036678-A (KR)
Title: 이미지 센서
Inventor: PARK SANG CHUN
IPC: H01L27/146
Filed: 2021-09-08
Abstract: 본 발명은 성능 및 신뢰성이 향상된 이미지 센서를 제공하는 것이다. 본 발명의 이미지 센서는, 서로 대향하는 전면 및 후면을 포함하는 기판, 기판 내에, 광전 변환층, 플로팅 확산 영역, 및 광전 변환층과 플로팅 확산 영역을 전기적으로 연결하는 전송 트랜지스터를 포함하는 복수의 단위 픽셀들, 기판을 제1 방향으로 관통하고, 각각의 단위 픽셀들을 정의하는 픽셀 분리 패턴 및 기판의 후면 상에 배치되는 마이크로 렌즈를 포함하고, 전송 트랜지스터는 픽셀 분리 패턴을 따라 제2 방향으로 연장되는 제1 부분과, 픽셀 분리 패턴을 따라 제3 방향으로 연장되는 제2 부분을 포함하는 게이트 전극을 포함하고, 기판의 후면에서 게이트 전극의 상면까지의 높이는 상기 기판의 두께보다 작다.
Patent KR-20230039259-A (KR)
Title: 원자로냉각계통 누설측정 시스템
Inventor: LIM SANG GYU
IPC: G21C17/00
Filed: 2021-09-14
Abstract: 원자로냉각계통 누설측정 시스템을 제공한다. 원자로냉각계통 누설측정 시스템은 상기 원자로냉각계통의 압력방출밸브를 통해 누출된 누출유체가 유입되는 제1배관; 상기 누출유체에 기반하는 응축수가 수집되는 응축수수집탱크; 상기 제1배관과 상기 응축수수집탱크 사이를 연통시키도록 설치되는 제2배관; 상기 제1배관과 연통되며, 상기 누출유체에 기반하는 증기를 응축시키며 상기 응축수를 수집하는 압력방출탱크; 상기 제1배관상에 설치되며, 상기 제1배관의 상기 누출유체의 누설을 초기 감시하는 초기누설감시부; 상기 제1배관상에 설치되며, 상기 누출유체의 측정을 위하여 상기 제1배관의 유로를 차단시키는 제1밸브; 상기 제1배관으로부터 분기되어, 상기 제1배관과 상기 제2배관을 연통시키도록 설치되는 제3배관을 포함하되, 상기 제3배관은, 상기 제1배관으로부터 분기되는 초입부 영역에 상기 응축수의 수집을 보강하도록 상기 제1배관으로부터 확장된 확장배관부와, 상기 확장배관부로부터 연장되어 상기 제2배관으로 연통되는 연통배관부를 포함한다.
Patent KR-20230041281-A (KR)
Inventor: LIM SUNG NAM
IPC: H01M4/96
Filed: 2021-09-17
Abstract: 머리카락을 이용해 제조된 복합 탄소나노소재를 포함하는 복합 탄소전극 및 그의 제조방법을 개시한다. 상기 복합 탄소전극은 다량의 질소 및 황을 포함하는 복합 탄소나노소재를 포함함으로써 바나듐 리튬 흐름전지에 사용시 충/방전 및 에너지 효율이 우수하다.
Patent KR-20230042854-A (KR)
Inventor: YEA SANG BAG
IPC: B23B51/10
Filed: 2021-09-23
Abstract: 본 발명은 절삭 가공물에 형성된 가공홀에 길이방향으로 진입하여 절삭 가공에 의해 가공홀 내에 생성된 버를 제거하는 개량된 절입력의 조절구조를 갖는 디버링툴에 관한 것으로, 
본 발명에서는 선단부에 조립슬롯이 형성된 바디와; 상기 바디에 형성된 조립슬롯에 조립되며, 절삭 가공물의 가공홀에 절입하여 가공홀의 버를 절삭하여 제거하는 절삭날을 갖는 절삭날 조립체를 포함하여 구성되고, 상기 조립슬롯은, 바디의 길이방향으로 절입하여 형성되며 후반부에 지지시트가 형성된 하부 개방형의 지지 슬롯부와; 상기 지지 슬롯부의 전반부에 상하 관통하여 형성된 승강 슬롯부를 포함하여 구성되고, 
상기 절삭날 조립체는, 상기 지지 슬롯부의 지지시트에 후미부를 고정하여 후미부는 고정단부를 형성하고 선단부는 자유단부를 형성하는 판스프링으로 이루어진 탄지편과; 상기 자유단부를 형성한 탄지편의 선단부 상면에 적층되게 형성되어, 자유단부를 형성한 탄지편의 탄성 지지력에 의해 승강 슬롯부를 따라 날부가 탄력적으로 상향 돌출하는 절삭날을 포함하여 구성된 것을 특징으로 한다.